In the Linux kernel, the following vulnerability has been resolved: ext4: Fix function prototype mismatch for ext4_feat_ktype With clang's kernel control flow integrity (kCFI, CONFIG_CFI_CLANG), indirect call targets are validated against the expected function pointer prototype to make sure the call target is valid to help mitigate ROP attacks. If they are not identical, there is a failure at run time, which manifests as either a kernel panic or thread getting killed. ext4_feat_ktype was setting the "release" handler to "kfree", which doesn't have a matching function prototype. Add a simple wrapper with the correct prototype. This was found as a result of Clang's new -Wcast-function-type-strict flag, which is more sensitive than the simpler -Wcast-function-type, which only checks for type width mismatches. Note that this code is only reached when ext4 is a loadable module and it is being unloaded: CFI failure at kobject_put+0xbb/0x1b0 (target: kfree+0x0/0x180; expected type: 0x7c4aa698) ... RIP: 0010:kobject_put+0xbb/0x1b0 ... Call Trace: <TASK> ext4_exit_sysfs+0x14/0x60 [ext4] cleanup_module+0x67/0xedb [ext4]

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crxsa-2024_3138 advisory.

    The kernel packages contain the Linux kernel, the core of any Linux operating system.

    Security Fix(es):

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

    Additional Changes:

    For detailed information on changes in this release, see the Rocky Linux SIG Cloud 8.10 Release Notes     linked from the References section.

    This advisory is provided by Ctrl IQ, Inc for Rocky Linux systems. For more information about CIQ security     practices, visit https://ciq.com/security.

Tenable has extracted the preceding description block directly from the CIQ security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2025:1760546935 advisory.

  - In the Linux kernel, the following vulnerability has been resolved: media: dvb-usb: az6027: fix null-ptr-     deref in az6027_i2c_xfer() Wei Chen reports a kernel bug as blew: general protection fault, probably for     non-canonical address KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017] ... Call     Trace: <TASK> __i2c_transfer+0x77e/0x1930 drivers/i2c/i2c-core-base.c:2109 i2c_transfer+0x1d5/0x3d0     drivers/i2c/i2c-core-base.c:2170 i2cdev_ioctl_rdwr+0x393/0x660 drivers/i2c/i2c-dev.c:297     i2cdev_ioctl+0x75d/0x9f0 drivers/i2c/i2c-dev.c:458 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl     fs/ioctl.c:870 [inline] __se_sys_ioctl+0xfb/0x170 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50     [inline] do_syscall_64+0x3d/0x90 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP:
    0033:0x7fd834a8bded In az6027_i2c_xfer(), if msg[i].addr is 0x99, a null-ptr-deref will caused when     accessing msg[i].buf. For msg[i].len is 0 and msg[i].buf is null. Fix this by checking msg[i].len in     az6027_i2c_xfer(). (CVE-2022-50272)

  - In the Linux kernel, the following vulnerability has been resolved: ACPI: processor: idle: Check     acpi_fetch_acpi_dev() return value The return value of acpi_fetch_acpi_dev() could be NULL, which would     cause a NULL pointer dereference to occur in acpi_device_hid(). [ rjw: Subject and changelog edits, added     empty line after if () ] (CVE-2022-50327)

  - In the Linux kernel, the following vulnerability has been resolved: cifs: fix oops during encryption When     running xfstests against Azure the following oops occurred on an arm64 system Unable to handle kernel     write to read-only memory at virtual address ffff0001221cf000 Mem abort info: ESR = 0x9600004f EC = 0x25:
    DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x0f: level 3 permission fault     Data abort info: ISV = 0, ISS = 0x0000004f CM = 0, WnR = 1 swapper pgtable: 4k pages, 48-bit VAs,     pgdp=00000000294f3000 [ffff0001221cf000] pgd=18000001ffff8003, p4d=18000001ffff8003, pud=18000001ff82e003,     pmd=18000001ff71d003, pte=00600001221cf787 Internal error: Oops: 9600004f [#1] PREEMPT SMP ... pstate:
    80000005 (Nzcv daif -PAN -UAO -TCO BTYPE=--) pc : __memcpy+0x40/0x230 lr :
    scatterwalk_copychunks+0xe0/0x200 sp : ffff800014e92de0 x29: ffff800014e92de0 x28: ffff000114f9de80 x27:
    0000000000000008 x26: 0000000000000008 x25: ffff800014e92e78 x24: 0000000000000008 x23: 0000000000000001     x22: 0000040000000000 x21: ffff000000000000 x20: 0000000000000001 x19: ffff0001037c4488 x18:
    0000000000000014 x17: 235e1c0d6efa9661 x16: a435f9576b6edd6c x15: 0000000000000058 x14: 0000000000000001     x13: 0000000000000008 x12: ffff000114f2e590 x11: ffffffffffffffff x10: 0000040000000000 x9 :
    ffff8000105c3580 x8 : 2e9413b10000001a x7 : 534b4410fb86b005 x6 : 534b4410fb86b005 x5 : ffff0001221cf008     x4 : ffff0001037c4490 x3 : 0000000000000001 x2 : 0000000000000008 x1 : ffff0001037c4488 x0 :
    ffff0001221cf000 Call trace: __memcpy+0x40/0x230 scatterwalk_map_and_copy+0x98/0x100     crypto_ccm_encrypt+0x150/0x180 crypto_aead_encrypt+0x2c/0x40 crypt_message+0x750/0x880     smb3_init_transform_rq+0x298/0x340 smb_send_rqst.part.11+0xd8/0x180 smb_send_rqst+0x3c/0x100     compound_send_recv+0x534/0xbc0 smb2_query_info_compound+0x32c/0x440 smb2_set_ea+0x438/0x4c0     cifs_xattr_set+0x5d4/0x7c0 This is because in scatterwalk_copychunks(), we attempted to write to a buffer     (@sign) that was allocated in the stack (vmalloc area) by crypt_message() and thus accessing its remaining     8 (x2) bytes ended up crossing a page boundary. To simply fix it, we could just pass @sign kmalloc'd from     crypt_message() and then we're done. Luckily, we don't seem to pass any other vmalloc'd buffers in     smb_rqst::rq_iov... Instead, let's map the correct pages and offsets from vmalloc buffers as well in     cifs_sg_set_buf() and then avoiding such oopses. (CVE-2022-50341)

  - In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_conn: Fix crash on     hci_create_cis_sync When attempting to connect multiple ISO sockets without using DEFER_SETUP may result     in the following crash: BUG: KASAN: null-ptr-deref in hci_create_cis_sync+0x18b/0x2b0 Read of size 2 at     addr 0000000000000036 by task kworker/u3:1/50 CPU: 0 PID: 50 Comm: kworker/u3:1 Not tainted     6.0.0-rc7-02243-gb84a13ff4eda #4373 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.0-1.fc36     04/01/2014 Workqueue: hci0 hci_cmd_sync_work Call Trace: <TASK> dump_stack_lvl+0x19/0x27     kasan_report+0xbc/0xf0 ? hci_create_cis_sync+0x18b/0x2b0 hci_create_cis_sync+0x18b/0x2b0 ?     get_link_mode+0xd0/0xd0 ? __ww_mutex_lock_slowpath+0x10/0x10 ? mutex_lock+0xe0/0xe0 ?     get_link_mode+0xd0/0xd0 hci_cmd_sync_work+0x111/0x190 process_one_work+0x427/0x650     worker_thread+0x87/0x750 ? process_one_work+0x650/0x650 kthread+0x14e/0x180 ? kthread_exit+0x50/0x50     ret_from_fork+0x22/0x30 </TASK> (CVE-2022-50447)

  - In the Linux kernel, the following vulnerability has been resolved: mt76: mt7915: Fix PCI device refcount     leak in mt7915_pci_init_hif2() As comment of pci_get_device() says, it returns a pci_device with its     refcount increased. We need to call pci_dev_put() to decrease the refcount. Save the return value of     pci_get_device() and call pci_dev_put() to decrease the refcount. (CVE-2022-50464)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-993159 advisory.

    In the Linux kernel, the following vulnerability has been resolved:

    ext4: Fix function prototype mismatch for ext4_feat_ktype

    With clang's kernel control flow integrity (kCFI, CONFIG_CFI_CLANG),     indirect call targets are validated against the expected function     pointer prototype to make sure the call target is valid to help mitigate     ROP attacks. If they are not identical, there is a failure at run time,     which manifests as either a kernel panic or thread getting killed.

    ext4_feat_ktype was setting the release handler to kfree, which     doesn't have a matching function prototype. Add a simple wrapper     with the correct prototype.

    This was found as a result of Clang's new -Wcast-function-type-strict     flag, which is more sensitive than the simpler -Wcast-function-type,     which only checks for type width mismatches.

    Note that this code is only reached when ext4 is a loadable module and     it is being unloaded:

     CFI failure at kobject_put+0xbb/0x1b0 (target: kfree+0x0/0x180; expected type: 0x7c4aa698)      ...
     RIP: 0010:kobject_put+0xbb/0x1b0      ...
     Call Trace:
      <TASK>       ext4_exit_sysfs+0x14/0x60 [ext4]       cleanup_module+0x67/0xedb [ext4]

Tenable has extracted the preceding description block directly from the Unity Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992170 advisory.

    In the Linux kernel, the following vulnerability has been resolved:

    ext4: Fix function prototype mismatch for ext4_feat_ktype

    With clang's kernel control flow integrity (kCFI, CONFIG_CFI_CLANG),     indirect call targets are validated against the expected function     pointer prototype to make sure the call target is valid to help mitigate     ROP attacks. If they are not identical, there is a failure at run time,     which manifests as either a kernel panic or thread getting killed.

    ext4_feat_ktype was setting the release handler to kfree, which     doesn't have a matching function prototype. Add a simple wrapper     with the correct prototype.

    This was found as a result of Clang's new -Wcast-function-type-strict     flag, which is more sensitive than the simpler -Wcast-function-type,     which only checks for type width mismatches.

    Note that this code is only reached when ext4 is a loadable module and     it is being unloaded:

     CFI failure at kobject_put+0xbb/0x1b0 (target: kfree+0x0/0x180; expected type: 0x7c4aa698)      ...
     RIP: 0010:kobject_put+0xbb/0x1b0      ...
     Call Trace:
      <TASK>       ext4_exit_sysfs+0x14/0x60 [ext4]       cleanup_module+0x67/0xedb [ext4]

Tenable has extracted the preceding description block directly from the Unity Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992362 advisory.

    In the Linux kernel, the following vulnerability has been resolved:

    ext4: Fix function prototype mismatch for ext4_feat_ktype

    With clang's kernel control flow integrity (kCFI, CONFIG_CFI_CLANG),     indirect call targets are validated against the expected function     pointer prototype to make sure the call target is valid to help mitigate     ROP attacks. If they are not identical, there is a failure at run time,     which manifests as either a kernel panic or thread getting killed.

    ext4_feat_ktype was setting the release handler to kfree, which     doesn't have a matching function prototype. Add a simple wrapper     with the correct prototype.

    This was found as a result of Clang's new -Wcast-function-type-strict     flag, which is more sensitive than the simpler -Wcast-function-type,     which only checks for type width mismatches.

    Note that this code is only reached when ext4 is a loadable module and     it is being unloaded:

     CFI failure at kobject_put+0xbb/0x1b0 (target: kfree+0x0/0x180; expected type: 0x7c4aa698)      ...
     RIP: 0010:kobject_put+0xbb/0x1b0      ...
     Call Trace:
      <TASK>       ext4_exit_sysfs+0x14/0x60 [ext4]       cleanup_module+0x67/0xedb [ext4]

Tenable has extracted the preceding description block directly from the Unity Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - In the Linux kernel, the following vulnerability has been resolved: ext4: Fix function prototype mismatch     for ext4_feat_ktype With clang's kernel control flow integrity (kCFI, CONFIG_CFI_CLANG), indirect call     targets are validated against the expected function pointer prototype to make sure the call target is     valid to help mitigate ROP attacks. If they are not identical, there is a failure at run time, which     manifests as either a kernel panic or thread getting killed. ext4_feat_ktype was setting the release     handler to kfree, which doesn't have a matching function prototype. Add a simple wrapper with the     correct prototype. This was found as a result of Clang's new -Wcast-function-type-strict flag, which is     more sensitive than the simpler -Wcast-function-type, which only checks for type width mismatches. Note     that this code is only reached when ext4 is a loadable module and it is being unloaded: CFI failure at     kobject_put+0xbb/0x1b0 (target: kfree+0x0/0x180; expected type: 0x7c4aa698) ... RIP:
    0010:kobject_put+0xbb/0x1b0 ... Call Trace: <TASK> ext4_exit_sysfs+0x14/0x60 [ext4]     cleanup_module+0x67/0xedb [ext4] (CVE-2023-53224)

Note that Nessus relies on the presence of the package as reported by the vendor.

The version of kernel installed on the remote host is prior to 5.15.102-61.139. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2KERNEL-5.15-2023-015 advisory.

    A regression exists in the Linux Kernel within KVM: nVMX that allowed for speculative execution attacks.
    L2 can carry out Spectre v2 attacks on L1 due to L1 thinking it doesn't need retpolines or IBPB after     running L2 due to KVM (L0) advertising eIBRS support to L1. An attacker at L2 with code execution can     execute code on an indirect branch on the host machine. We recommend upgrading to Kernel 6.2 or past     commit 2e7eab81425a (CVE-2022-2196)

    It has been discovered that on some AMD CPUs, the RAS (Return Address Stack, also called RAP - Return     Address Predictor - in some AMD documentation, and RSB - Return Stack Buffer - in Intel terminology) is     dynamically partitioned between non-idle threads.  This allows an attacker to control speculative     execution on the adjacent thread. (CVE-2022-27672)

    In the Linux kernel, the following vulnerability has been resolved:

    netfilter: nft_tproxy: restrict to prerouting hook (CVE-2022-50001)

    In the Linux kernel, the following vulnerability has been resolved:

    drm: Fix potential null-ptr-deref due to drmm_mode_config_init() (CVE-2022-50556)

    Detected a few exploitable gadgets that could leak secret memory through a side-channel such as MDS as     well as insufficient hardening of the usercopy functions against spectre-v1. (CVE-2023-0458)

    Due to a type confusion during initializations, the tun and tap sockets in the Linux Kernel have their     socket UID hardcoded to 0, i.e. root. While it will be often correct, as TUN/TAP devices require     CAP_NET_ADMIN, it may not always be the case. The socket UID may be used for network filtering and     routing, thus TUN/TAP sockets may be incorrectly managed, potentially bypassing network filters based on     UID. (CVE-2023-1076)

    kernel: Type confusion in pick_next_rt_entity(), which can result in memory corruption. (CVE-2023-1077)

    The upstream bug report describes this issue as follows:

    A flaw found in the Linux Kernel in RDS (Reliable Datagram Sockets) protocol. The     rds_rm_zerocopy_callback() uses list_entry() on the head of a list causing a type confusion. Local user     can trigger this with rds_message_put(). Type confusion leads to `struct rds_msg_zcopy_info *info`     actually points to something else that is potentially controlled by local user. It is known how to trigger     this, which causes an OOB access, and a lock corruption. (CVE-2023-1078)

    Use After Free vulnerability in Linux kernel traffic control index filter (tcindex) allows Privilege     Escalation. The imperfect hash area can be updated while packets are traversing, which will cause a use-     after-free when 'tcf_exts_exec()' is called with the destroyed tcf_ext. A local attacker user can use this     vulnerability to elevate its privileges to root.This issue affects Linux Kernel: from 4.14 before git     commit ee059170b1f7e94e55fa6cadee544e176a6e59c2. (CVE-2023-1281)

    A use-after-free vulnerability in the Linux Kernel traffic control index filter (tcindex) can be exploited     to achieve local privilege escalation. The tcindex_delete function which does not properly deactivate     filters in case of a perfect hashes while deleting the underlying structure which can later lead to double     freeing the structure. A local attacker user can use this vulnerability to elevate its privileges to     root.We recommend upgrading past commit 8c710f75256bb3cf05ac7b1672c82b92c43f3d28. (CVE-2023-1829)

    A use-after-free vulnerability in the Linux Kernel io_uring system can be exploited to achieve local     privilege escalation.

    The io_file_get_fixed function lacks the presence of ctx->uring_lock which can lead to a Use-After-Free     vulnerability due a race condition with fixed files getting unregistered.

    We recommend upgrading past commit da24142b1ef9fd5d36b76e36bab328a5b27523e8. (CVE-2023-1872)

    When plain IBRS is enabled (not enhanced IBRS), the logic in spectre_v2_user_select_mitigation()     determines that STIBP is not needed. The IBRS bit implicitly protects against cross-thread branch     targetinjection. However, with legacy IBRS, the IBRS bit is cleared on returning to userspace for     performance reasons which leaves userspace threads vulnerable to cross-thread branch target injection     against which STIBP protects. (CVE-2023-1998)

    In the Linux kernel before 6.1.13, there is a double free in net/mpls/af_mpls.c upon an allocation failure     (for registering the sysctl table under a new location) during the renaming of a device. (CVE-2023-26545)

    A use-after-free flaw was found in hfsplus_put_super in fs/hfsplus/super.c in the Linux Kernel. This flaw     could allow a local user to cause a denial of service. (CVE-2023-2985)

    An issue was discovered in lib/kobject.c in the Linux kernel before 6.2.3. With root access, an attacker     can trigger a race condition that results in a fill_kobj_path out-of-bounds write. (CVE-2023-45863)

    In the Linux kernel, the following vulnerability has been resolved:

    aio: fix mremap after fork null-deref (CVE-2023-52646)

    In the Linux kernel, the following vulnerability has been resolved:

    net: openvswitch: fix possible memory leak in ovs_meter_cmd_set() (CVE-2023-52702)

    In the Linux kernel, the following vulnerability has been resolved:

    sched/psi: Fix use-after-free in ep_remove_wait_queue() (CVE-2023-52707)

    In the Linux kernel, the following vulnerability has been resolved:

    bpf, sockmap: Don't let sock_map_{close,destroy,unhash} call itself (CVE-2023-52735)

    In the Linux kernel, the following vulnerability has been resolved:

    Fix page corruption caused by racy check in __free_pages (CVE-2023-52739)

    In the Linux kernel, the following vulnerability has been resolved:

    cifs: Fix use-after-free in rdata->read_into_pages() (CVE-2023-52741)

    In the Linux kernel, the following vulnerability has been resolved:

    xfrm/compat: prevent potential spectre v1 gadget in xfrm_xlate32_attr() (CVE-2023-52746)

    In the Linux kernel, the following vulnerability has been resolved:

    vfio/type1: prevent underflow of locked_vm via exec() (CVE-2023-53171)

    In the Linux kernel, the following vulnerability has been resolved:

    USB: uhci: fix memory leak with using debugfs_lookup() (CVE-2023-53197)

    In the Linux kernel, the following vulnerability has been resolved:

    netfilter: x_tables: fix percpu counter block leak on error path when creating new netns (CVE-2023-53200)

    In the Linux kernel, the following vulnerability has been resolved:

    PM: domains: fix memory leak with using debugfs_lookup() (CVE-2023-53202)

    In the Linux kernel, the following vulnerability has been resolved:

    ext4: Fix function prototype mismatch for ext4_feat_ktype (CVE-2023-53224)

    In the Linux kernel, the following vulnerability has been resolved:

    watchdog: Fix kmemleak in watchdog_cdev_register (CVE-2023-53234)

    In the Linux kernel, the following vulnerability has been resolved:

    firmware: dmi-sysfs: Fix null-ptr-deref in dmi_sysfs_register_handle (CVE-2023-53250)

    In the Linux kernel, the following vulnerability has been resolved:

    VMCI: check context->notify_page after call to get_user_pages_fast() to avoid GPF (CVE-2023-53259)

    In the Linux kernel, the following vulnerability has been resolved:

    misc: vmw_balloon: fix memory leak with using debugfs_lookup() (CVE-2023-53279)

    In the Linux kernel, the following vulnerability has been resolved:

    udf: Do not update file length for failed writes to inline files (CVE-2023-53295)

    In the Linux kernel, the following vulnerability has been resolved:

    rbd: avoid use-after-free in do_rbd_add() when rbd_dev_create() fails (CVE-2023-53307)

    In the Linux kernel, the following vulnerability has been resolved:

    USB: fix memory leak with using debugfs_lookup() (CVE-2023-53359)

    In the Linux kernel, the following vulnerability has been resolved:

    crypto: seqiv - Handle EBUSY correctly (CVE-2023-53373)

    In the Linux kernel, the following vulnerability has been resolved:

    drivers: base: dd: fix memory leak with using debugfs_lookup() (CVE-2023-53390)

    In the Linux kernel, the following vulnerability has been resolved:

    trace/blktrace: fix memory leak with using debugfs_lookup() (CVE-2023-53408)

    In the Linux kernel, the following vulnerability has been resolved:

    drivers: base: component: fix memory leak with using debugfs_lookup() (CVE-2023-53409)

    In the Linux kernel, the following vulnerability has been resolved:

    PM: EM: fix memory leak with using debugfs_lookup() (CVE-2023-53411)

    In the Linux kernel, the following vulnerability has been resolved:

    objtool: Fix memory leak in create_static_call_sections() (CVE-2023-53423)

    In the Linux kernel, the following vulnerability has been resolved:

    cifs: Fix warning and UAF when destroy the MR list (CVE-2023-53427)

    In the Linux kernel, the following vulnerability has been resolved:

    ipv6: Add lwtunnel encap size of all siblings in nexthop calculation (CVE-2023-53477)

    In the Linux kernel, the following vulnerability has been resolved:

    iommu: Fix error unwind in iommu_group_alloc() (CVE-2023-53482)

    In the Linux kernel, the following vulnerability has been resolved:

    crypto: xts - Handle EBUSY correctly (CVE-2023-53494)

    In the Linux kernel, the following vulnerability has been resolved:

    udf: Do not bother merging very long extents (CVE-2023-53506)

    In the Linux kernel, the following vulnerability has been resolved:

    sctp: add a refcnt in sctp_stream_priorities to avoid a nested loop (CVE-2023-53590)

    In the Linux kernel, the following vulnerability has been resolved:

    driver core: fix resource leak in device_add() (CVE-2023-53594)

    In the Linux kernel, the following vulnerability has been resolved:

    irqchip: Fix refcount leak in platform_irqchip_probe (CVE-2023-53610)

    In the Linux kernel, the following vulnerability has been resolved:

    udf: Detect system inodes linked into directory hierarchy (CVE-2023-53695)

    In the Linux kernel, the following vulnerability has been resolved:

    ring-buffer: Handle race between rb_move_tail and rb_check_pages (CVE-2023-53709)

    In the Linux kernel, the following vulnerability has been resolved:

    blk-iocost: fix divide by 0 error in calc_lcoefs() (CVE-2023-53783)

    In the Linux kernel, the following vulnerability has been resolved:

    loop: loop_set_status_from_info() check before assignment (CVE-2023-53820)

    In the Linux kernel, the following vulnerability has been resolved:

    usb: early: xhci-dbc: Fix a potential out-of-bound memory access (CVE-2023-53840)

    In the Linux kernel, the following vulnerability has been resolved:

    KVM: Destroy target device if coalesced MMIO unregistration fails (CVE-2023-54024)

    In the Linux kernel, the following vulnerability has been resolved:

    crypto: essiv - Handle EBUSY correctly (CVE-2023-54046)

    In the Linux kernel, the following vulnerability has been resolved:

    leds: led-core: Fix refcount leak in of_led_get() (CVE-2023-54190)

    In the Linux kernel, the following vulnerability has been resolved:

    tty: fix out-of-bounds access in tty_driver_lookup_tty() (CVE-2023-54198)

    In the Linux kernel, the following vulnerability has been resolved:

    netfilter: ebtables: fix table blob use-after-free (CVE-2023-54243)

    In the Linux kernel, the following vulnerability has been resolved:

    cifs: Fix lost destroy smbd connection when MR allocate failed (CVE-2023-54260)

    In the Linux kernel, the following vulnerability has been resolved:

    ext4: refuse to create ea block when umounted (CVE-2023-54305)

    In the Linux kernel, the following vulnerability has been resolved:

    net: tls: avoid hanging tasks on the tx_lock (CVE-2023-54306)

    In the Linux kernel, the following vulnerability has been resolved:

    dm flakey: don't corrupt the zero page (CVE-2023-54317)

    In the Linux kernel, the following vulnerability has been resolved:

    driver core: fix potential null-ptr-deref in device_add() (CVE-2023-54321)

    kernel: refcount leak in ctnetlink_create_conntrack() (CVE-2023-7192)

Tenable has extracted the preceding description block directly from the tested product security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The version of kernel installed on the remote host is prior to 5.4.235-144.344. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2KERNEL-5.4-2023-043 advisory.

    A regression exists in the Linux Kernel within KVM: nVMX that allowed for speculative execution attacks.
    L2 can carry out Spectre v2 attacks on L1 due to L1 thinking it doesn't need retpolines or IBPB after     running L2 due to KVM (L0) advertising eIBRS support to L1. An attacker at L2 with code execution can     execute code on an indirect branch on the host machine. We recommend upgrading to Kernel 6.2 or past     commit 2e7eab81425a (CVE-2022-2196)

    It has been discovered that on some AMD CPUs, the RAS (Return Address Stack, also called RAP - Return     Address Predictor - in some AMD documentation, and RSB - Return Stack Buffer - in Intel terminology) is     dynamically partitioned between non-idle threads.  This allows an attacker to control speculative     execution on the adjacent thread. (CVE-2022-27672)

    In the Linux kernel, the following vulnerability has been resolved:

    netfilter: nft_tproxy: restrict to prerouting hook (CVE-2022-50001)

    Detected a few exploitable gadgets that could leak secret memory through a side-channel such as MDS as     well as insufficient hardening of the usercopy functions against spectre-v1. (CVE-2023-0458)

    Due to a type confusion during initializations, the tun and tap sockets in the Linux Kernel have their     socket UID hardcoded to 0, i.e. root. While it will be often correct, as TUN/TAP devices require     CAP_NET_ADMIN, it may not always be the case. The socket UID may be used for network filtering and     routing, thus TUN/TAP sockets may be incorrectly managed, potentially bypassing network filters based on     UID. (CVE-2023-1076)

    kernel: Type confusion in pick_next_rt_entity(), which can result in memory corruption. (CVE-2023-1077)

    The upstream bug report describes this issue as follows:

    A flaw found in the Linux Kernel in RDS (Reliable Datagram Sockets) protocol. The     rds_rm_zerocopy_callback() uses list_entry() on the head of a list causing a type confusion. Local user     can trigger this with rds_message_put(). Type confusion leads to `struct rds_msg_zcopy_info *info`     actually points to something else that is potentially controlled by local user. It is known how to trigger     this, which causes an OOB access, and a lock corruption. (CVE-2023-1078)

    Use After Free vulnerability in Linux kernel traffic control index filter (tcindex) allows Privilege     Escalation. The imperfect hash area can be updated while packets are traversing, which will cause a use-     after-free when 'tcf_exts_exec()' is called with the destroyed tcf_ext. A local attacker user can use this     vulnerability to elevate its privileges to root.This issue affects Linux Kernel: from 4.14 before git     commit ee059170b1f7e94e55fa6cadee544e176a6e59c2. (CVE-2023-1281)

    A use-after-free vulnerability in the Linux Kernel traffic control index filter (tcindex) can be exploited     to achieve local privilege escalation. The tcindex_delete function which does not properly deactivate     filters in case of a perfect hashes while deleting the underlying structure which can later lead to double     freeing the structure. A local attacker user can use this vulnerability to elevate its privileges to     root.We recommend upgrading past commit 8c710f75256bb3cf05ac7b1672c82b92c43f3d28. (CVE-2023-1829)

    When plain IBRS is enabled (not enhanced IBRS), the logic in spectre_v2_user_select_mitigation()     determines that STIBP is not needed. The IBRS bit implicitly protects against cross-thread branch     targetinjection. However, with legacy IBRS, the IBRS bit is cleared on returning to userspace for     performance reasons which leaves userspace threads vulnerable to cross-thread branch target injection     against which STIBP protects. (CVE-2023-1998)

    A use-after-free flaw was found in iscsi_sw_tcp_session_create in drivers/scsi/iscsi_tcp.c in the SCSI     sub-component in the Linux Kernel. This issue could allow an attacker to leak kernel internal information.
    (CVE-2023-2162)

    In the Linux kernel before 6.1.13, there is a double free in net/mpls/af_mpls.c upon an allocation failure     (for registering the sysctl table under a new location) during the renaming of a device. (CVE-2023-26545)

    A use-after-free flaw was found in hfsplus_put_super in fs/hfsplus/super.c in the Linux Kernel. This flaw     could allow a local user to cause a denial of service. (CVE-2023-2985)

    A flaw was found in the Framebuffer Console (fbcon) in the Linux Kernel. When providing a font->width and     font->height greater than 32 to the fbcon_set_font, since there are no checks in place, a shift-out-of-     bounds occurs, leading to undefined behavior and possible denial of service. (CVE-2023-3161)

    A use-after-free flaw was found in vcs_read in drivers/tty/vt/vc_screen.c in vc_screen in the Linux     Kernel. In this flaw an attacker with local user access may lead to a system crash or a leak of internal     kernel information. (CVE-2023-3567)

    An issue was discovered in drivers/usb/storage/ene_ub6250.c for the ENE UB6250 reader driver in the Linux     kernel before 6.2.5. An object could potentially extend beyond the end of an allocation. (CVE-2023-45862)

    In the Linux kernel, the following vulnerability has been resolved:

    aio: fix mremap after fork null-deref (CVE-2023-52646)

    In the Linux kernel, the following vulnerability has been resolved:

    net/usb: kalmia: Don't pass act_len in usb_bulk_msg error path (CVE-2023-52703)

    In the Linux kernel, the following vulnerability has been resolved:

    nilfs2: fix underflow in second superblock position calculations (CVE-2023-52705)

    In the Linux kernel, the following vulnerability has been resolved:

    sched/psi: Fix use-after-free in ep_remove_wait_queue() (CVE-2023-52707)

    In the Linux kernel, the following vulnerability has been resolved:

    mmc: mmc_spi: fix error handling in mmc_spi_probe() (CVE-2023-52708)

    In the Linux kernel, the following vulnerability has been resolved:

    mmc: sdio: fix possible resource leaks in some error paths (CVE-2023-52730)

    In the Linux kernel, the following vulnerability has been resolved:

    net: USB: Fix wrong-direction WARNING in plusb.c (CVE-2023-52742)

    In the Linux kernel, the following vulnerability has been resolved:

    IB/IPoIB: Fix legacy IPoIB due to wrong number of queues (CVE-2023-52745)

    In the Linux kernel, the following vulnerability has been resolved:

    mm/swapfile: add cond_resched() in get_swap_pages() (CVE-2023-52932)

    In the Linux kernel, the following vulnerability has been resolved:

    Squashfs: fix handling and sanity checking of xattr_ids count (CVE-2023-52933)

    In the Linux kernel, the following vulnerability has been resolved:

    vc_screen: move load of struct vc_data pointer in vcs_read() to avoid UAF (CVE-2023-52973)

    In the Linux kernel, the following vulnerability has been resolved:

    scsi: iscsi_tcp: Fix UAF during login when accessing the shost ipaddress (CVE-2023-52974)

    In the Linux kernel, the following vulnerability has been resolved:

    efi: fix potential NULL deref in efi_mem_reserve_persistent (CVE-2023-52976)

    In the Linux kernel, the following vulnerability has been resolved:

    net: openvswitch: fix flow memory leak in ovs_flow_cmd_new (CVE-2023-52977)

    In the Linux kernel, the following vulnerability has been resolved:

    squashfs: harden sanity check in squashfs_read_xattr_id_table (CVE-2023-52979)

    In the Linux kernel, the following vulnerability has been resolved:

    ext4: Fix function prototype mismatch for ext4_feat_ktype (CVE-2023-53224)

    In the Linux kernel, the following vulnerability has been resolved:

    watchdog: Fix kmemleak in watchdog_cdev_register (CVE-2023-53234)

    In the Linux kernel, the following vulnerability has been resolved:

    thermal/drivers/hisi: Drop second sensor hi3660 (CVE-2023-53242)

    In the Linux kernel, the following vulnerability has been resolved:

    ubi: ensure that VID header offset + VID header size <= alloc, size (CVE-2023-53265)

    In the Linux kernel, the following vulnerability has been resolved:

    ubi: Fix unreferenced object reported by kmemleak in ubi_resize_volume() (CVE-2023-53271)

    In the Linux kernel, the following vulnerability has been resolved:

    udf: Do not update file length for failed writes to inline files (CVE-2023-53295)

    In the Linux kernel, the following vulnerability has been resolved:

    rbd: avoid use-after-free in do_rbd_add() when rbd_dev_create() fails (CVE-2023-53307)

    In the Linux kernel, the following vulnerability has been resolved:

    crypto: seqiv - Handle EBUSY correctly (CVE-2023-53373)

    In the Linux kernel, the following vulnerability has been resolved:

    cifs: Fix warning and UAF when destroy the MR list (CVE-2023-53427)

    In the Linux kernel, the following vulnerability has been resolved:

    scsi: ses: Don't attach if enclosure has no components (CVE-2023-53431)

    In the Linux kernel, the following vulnerability has been resolved:

    drm/radeon: free iio for atombios when driver shutdown (CVE-2023-53453)

    In the Linux kernel, the following vulnerability has been resolved:

    ipv6: Add lwtunnel encap size of all siblings in nexthop calculation (CVE-2023-53477)

    In the Linux kernel, the following vulnerability has been resolved:

    ubi: ubi_wl_put_peb: Fix infinite loop when wear-leveling work failed (CVE-2023-53481)

    In the Linux kernel, the following vulnerability has been resolved:

    udf: Do not bother merging very long extents (CVE-2023-53506)

    In the Linux kernel, the following vulnerability has been resolved:

    scsi: ses: Fix slab-out-of-bounds in ses_intf_remove() (CVE-2023-53521)

    In the Linux kernel, the following vulnerability has been resolved:

    sctp: add a refcnt in sctp_stream_priorities to avoid a nested loop (CVE-2023-53590)

    In the Linux kernel, the following vulnerability has been resolved:

    scsi: ses: Fix possible desc_ptr out-of-bounds accesses (CVE-2023-53675)

    In the Linux kernel, the following vulnerability has been resolved:

    udf: Detect system inodes linked into directory hierarchy (CVE-2023-53695)

    In the Linux kernel, the following vulnerability has been resolved:

    blk-iocost: fix divide by 0 error in calc_lcoefs() (CVE-2023-53783)

    In the Linux kernel, the following vulnerability has been resolved:

    ubi: Fix use-after-free when volume resizing failed (CVE-2023-53800)

    In the Linux kernel, the following vulnerability has been resolved:

    scsi: ses: Fix slab-out-of-bounds in ses_enclosure_data_process() (CVE-2023-53803)

    In the Linux kernel, the following vulnerability has been resolved:

    ubi: Fix UAF wear-leveling entry in eraseblk_count_seq_show() (CVE-2023-53826)

    In the Linux kernel, the following vulnerability has been resolved:

    hfs: fix missing hfs_bnode_get() in __hfs_bnode_create (CVE-2023-53862)

    In the Linux kernel, the following vulnerability has been resolved:

    KVM: Destroy target device if coalesced MMIO unregistration fails (CVE-2023-54024)

    In the Linux kernel, the following vulnerability has been resolved:

    crypto: essiv - Handle EBUSY correctly (CVE-2023-54046)

    In the Linux kernel, the following vulnerability has been resolved:

    ubi: Fix possible null-ptr-deref in ubi_free_volume() (CVE-2023-54087)

    In the Linux kernel, the following vulnerability has been resolved:

    scsi: qla2xxx: Fix DMA-API call trace on NVMe LS requests (CVE-2023-54108)

    In the Linux kernel, the following vulnerability has been resolved:

    tty: fix out-of-bounds access in tty_driver_lookup_tty() (CVE-2023-54198)

    In the Linux kernel, the following vulnerability has been resolved:

    Bluetooth: L2CAP: Fix potential user-after-free (CVE-2023-54214)

    In the Linux kernel, the following vulnerability has been resolved:

    cifs: Fix lost destroy smbd connection when MR allocate failed (CVE-2023-54260)

    In the Linux kernel, the following vulnerability has been resolved:

    ext4: refuse to create ea block when umounted (CVE-2023-54305)

    In the Linux kernel, the following vulnerability has been resolved:

    net: tls: avoid hanging tasks on the tx_lock (CVE-2023-54306)

    In the Linux kernel, the following vulnerability has been resolved:

    dm flakey: don't corrupt the zero page (CVE-2023-54317)

    kernel: refcount leak in ctnetlink_create_conntrack() (CVE-2023-7192)

    In the Linux kernel, the following vulnerability has been resolved:

    scsi: ses: Fix possible addl_desc_ptr out-of-bounds accesses (CVE-2023-7324)

Tenable has extracted the preceding description block directly from the tested product security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The version of kernel installed on the remote host is prior to 5.10.173-154.642. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2KERNEL-5.10-2023-028 advisory.

    A regression exists in the Linux Kernel within KVM: nVMX that allowed for speculative execution attacks.
    L2 can carry out Spectre v2 attacks on L1 due to L1 thinking it doesn't need retpolines or IBPB after     running L2 due to KVM (L0) advertising eIBRS support to L1. An attacker at L2 with code execution can     execute code on an indirect branch on the host machine. We recommend upgrading to Kernel 6.2 or past     commit 2e7eab81425a (CVE-2022-2196)

    It has been discovered that on some AMD CPUs, the RAS (Return Address Stack, also called RAP - Return     Address Predictor - in some AMD documentation, and RSB - Return Stack Buffer - in Intel terminology) is     dynamically partitioned between non-idle threads.  This allows an attacker to control speculative     execution on the adjacent thread. (CVE-2022-27672)

    In the Linux kernel, the following vulnerability has been resolved:

    netfilter: nft_tproxy: restrict to prerouting hook (CVE-2022-50001)

    In the Linux kernel, the following vulnerability has been resolved:

    drm: Fix potential null-ptr-deref due to drmm_mode_config_init() (CVE-2022-50556)

    Detected a few exploitable gadgets that could leak secret memory through a side-channel such as MDS as     well as insufficient hardening of the usercopy functions against spectre-v1. (CVE-2023-0458)

    Due to a type confusion during initializations, the tun and tap sockets in the Linux Kernel have their     socket UID hardcoded to 0, i.e. root. While it will be often correct, as TUN/TAP devices require     CAP_NET_ADMIN, it may not always be the case. The socket UID may be used for network filtering and     routing, thus TUN/TAP sockets may be incorrectly managed, potentially bypassing network filters based on     UID. (CVE-2023-1076)

    kernel: Type confusion in pick_next_rt_entity(), which can result in memory corruption. (CVE-2023-1077)

    The upstream bug report describes this issue as follows:

    A flaw found in the Linux Kernel in RDS (Reliable Datagram Sockets) protocol. The     rds_rm_zerocopy_callback() uses list_entry() on the head of a list causing a type confusion. Local user     can trigger this with rds_message_put(). Type confusion leads to `struct rds_msg_zcopy_info *info`     actually points to something else that is potentially controlled by local user. It is known how to trigger     this, which causes an OOB access, and a lock corruption. (CVE-2023-1078)

    Use After Free vulnerability in Linux kernel traffic control index filter (tcindex) allows Privilege     Escalation. The imperfect hash area can be updated while packets are traversing, which will cause a use-     after-free when 'tcf_exts_exec()' is called with the destroyed tcf_ext. A local attacker user can use this     vulnerability to elevate its privileges to root.This issue affects Linux Kernel: from 4.14 before git     commit ee059170b1f7e94e55fa6cadee544e176a6e59c2. (CVE-2023-1281)

    A use-after-free vulnerability in the Linux Kernel traffic control index filter (tcindex) can be exploited     to achieve local privilege escalation. The tcindex_delete function which does not properly deactivate     filters in case of a perfect hashes while deleting the underlying structure which can later lead to double     freeing the structure. A local attacker user can use this vulnerability to elevate its privileges to     root.We recommend upgrading past commit 8c710f75256bb3cf05ac7b1672c82b92c43f3d28. (CVE-2023-1829)

    A use-after-free vulnerability in the Linux Kernel io_uring system can be exploited to achieve local     privilege escalation.

    The io_file_get_fixed function lacks the presence of ctx->uring_lock which can lead to a Use-After-Free     vulnerability due a race condition with fixed files getting unregistered.

    We recommend upgrading past commit da24142b1ef9fd5d36b76e36bab328a5b27523e8. (CVE-2023-1872)

    When plain IBRS is enabled (not enhanced IBRS), the logic in spectre_v2_user_select_mitigation()     determines that STIBP is not needed. The IBRS bit implicitly protects against cross-thread branch     targetinjection. However, with legacy IBRS, the IBRS bit is cleared on returning to userspace for     performance reasons which leaves userspace threads vulnerable to cross-thread branch target injection     against which STIBP protects. (CVE-2023-1998)

    A use-after-free flaw was found in iscsi_sw_tcp_session_create in drivers/scsi/iscsi_tcp.c in the SCSI     sub-component in the Linux Kernel. This issue could allow an attacker to leak kernel internal information.
    (CVE-2023-2162)

    In the Linux kernel before 6.0.3, drivers/gpu/drm/virtio/virtgpu_object.c misinterprets the     drm_gem_shmem_get_sg_table return value (expects it to be NULL in the error case, whereas it is actually     an error pointer). (CVE-2023-22998)

    In the Linux kernel before 6.1.13, there is a double free in net/mpls/af_mpls.c upon an allocation failure     (for registering the sysctl table under a new location) during the renaming of a device. (CVE-2023-26545)

    A use-after-free flaw was found in hfsplus_put_super in fs/hfsplus/super.c in the Linux Kernel. This flaw     could allow a local user to cause a denial of service. (CVE-2023-2985)

    A flaw was found in the Framebuffer Console (fbcon) in the Linux Kernel. When providing a font->width and     font->height greater than 32 to the fbcon_set_font, since there are no checks in place, a shift-out-of-     bounds occurs, leading to undefined behavior and possible denial of service. (CVE-2023-3161)

    A use-after-free flaw was found in vcs_read in drivers/tty/vt/vc_screen.c in vc_screen in the Linux     Kernel. In this flaw an attacker with local user access may lead to a system crash or a leak of internal     kernel information. (CVE-2023-3567)

    An issue was discovered in drivers/usb/storage/ene_ub6250.c for the ENE UB6250 reader driver in the Linux     kernel before 6.2.5. An object could potentially extend beyond the end of an allocation. (CVE-2023-45862)

    In the Linux kernel, the following vulnerability has been resolved:

    aio: fix mremap after fork null-deref (CVE-2023-52646)

    In the Linux kernel, the following vulnerability has been resolved:

    net: openvswitch: fix possible memory leak in ovs_meter_cmd_set() (CVE-2023-52702)

    In the Linux kernel, the following vulnerability has been resolved:

    net/usb: kalmia: Don't pass act_len in usb_bulk_msg error path (CVE-2023-52703)

    In the Linux kernel, the following vulnerability has been resolved:

    nilfs2: fix underflow in second superblock position calculations (CVE-2023-52705)

    In the Linux kernel, the following vulnerability has been resolved:

    mmc: mmc_spi: fix error handling in mmc_spi_probe() (CVE-2023-52708)

    In the Linux kernel, the following vulnerability has been resolved:

    mmc: sdio: fix possible resource leaks in some error paths (CVE-2023-52730)

    In the Linux kernel, the following vulnerability has been resolved:

    Fix page corruption caused by racy check in __free_pages (CVE-2023-52739)

    In the Linux kernel, the following vulnerability has been resolved:

    cifs: Fix use-after-free in rdata->read_into_pages() (CVE-2023-52741)

    In the Linux kernel, the following vulnerability has been resolved:

    net: USB: Fix wrong-direction WARNING in plusb.c (CVE-2023-52742)

    In the Linux kernel, the following vulnerability has been resolved:

    IB/IPoIB: Fix legacy IPoIB due to wrong number of queues (CVE-2023-52745)

    In the Linux kernel, the following vulnerability has been resolved:

    xfrm/compat: prevent potential spectre v1 gadget in xfrm_xlate32_attr() (CVE-2023-52746)

    In the Linux kernel, the following vulnerability has been resolved:

    drm/i915: Fix potential bit_17 double-free (CVE-2023-52930)

    In the Linux kernel, the following vulnerability has been resolved:

    mm/swapfile: add cond_resched() in get_swap_pages() (CVE-2023-52932)

    In the Linux kernel, the following vulnerability has been resolved:

    Squashfs: fix handling and sanity checking of xattr_ids count (CVE-2023-52933)

    In the Linux kernel, the following vulnerability has been resolved:

    vc_screen: move load of struct vc_data pointer in vcs_read() to avoid UAF (CVE-2023-52973)

    In the Linux kernel, the following vulnerability has been resolved:

    scsi: iscsi_tcp: Fix UAF during login when accessing the shost ipaddress (CVE-2023-52974)

    In the Linux kernel, the following vulnerability has been resolved:

    efi: fix potential NULL deref in efi_mem_reserve_persistent (CVE-2023-52976)

    In the Linux kernel, the following vulnerability has been resolved:

    net: openvswitch: fix flow memory leak in ovs_flow_cmd_new (CVE-2023-52977)

    In the Linux kernel, the following vulnerability has been resolved:

    squashfs: harden sanity check in squashfs_read_xattr_id_table (CVE-2023-52979)

    In the Linux kernel, the following vulnerability has been resolved:

    bpf, sockmap: Check for any of tcp_bpf_prots when cloning a listener (CVE-2023-52986)

    In the Linux kernel, the following vulnerability has been resolved:

    vfio/type1: prevent underflow of locked_vm via exec() (CVE-2023-53171)

    In the Linux kernel, the following vulnerability has been resolved:

    ext4: Fix function prototype mismatch for ext4_feat_ktype (CVE-2023-53224)

    In the Linux kernel, the following vulnerability has been resolved:

    watchdog: Fix kmemleak in watchdog_cdev_register (CVE-2023-53234)

    In the Linux kernel, the following vulnerability has been resolved:

    thermal/drivers/hisi: Drop second sensor hi3660 (CVE-2023-53242)

    In the Linux kernel, the following vulnerability has been resolved:

    ubi: ensure that VID header offset + VID header size <= alloc, size (CVE-2023-53265)

    In the Linux kernel, the following vulnerability has been resolved:

    ubi: Fix unreferenced object reported by kmemleak in ubi_resize_volume() (CVE-2023-53271)

    In the Linux kernel, the following vulnerability has been resolved:

    udf: Do not update file length for failed writes to inline files (CVE-2023-53295)

    In the Linux kernel, the following vulnerability has been resolved:

    rbd: avoid use-after-free in do_rbd_add() when rbd_dev_create() fails (CVE-2023-53307)

    In the Linux kernel, the following vulnerability has been resolved:

    crypto: seqiv - Handle EBUSY correctly (CVE-2023-53373)

    In the Linux kernel, the following vulnerability has been resolved:

    PM: EM: fix memory leak with using debugfs_lookup() (CVE-2023-53411)

    In the Linux kernel, the following vulnerability has been resolved:

    objtool: Fix memory leak in create_static_call_sections() (CVE-2023-53423)

    In the Linux kernel, the following vulnerability has been resolved:

    cifs: Fix warning and UAF when destroy the MR list (CVE-2023-53427)

    In the Linux kernel, the following vulnerability has been resolved:

    scsi: ses: Don't attach if enclosure has no components (CVE-2023-53431)

    In the Linux kernel, the following vulnerability has been resolved:

    drm/radeon: free iio for atombios when driver shutdown (CVE-2023-53453)

    In the Linux kernel, the following vulnerability has been resolved:

    ipv6: Add lwtunnel encap size of all siblings in nexthop calculation (CVE-2023-53477)

    In the Linux kernel, the following vulnerability has been resolved:

    ubi: ubi_wl_put_peb: Fix infinite loop when wear-leveling work failed (CVE-2023-53481)

    In the Linux kernel, the following vulnerability has been resolved:

    crypto: xts - Handle EBUSY correctly (CVE-2023-53494)

    In the Linux kernel, the following vulnerability has been resolved:

    udf: Do not bother merging very long extents (CVE-2023-53506)

    In the Linux kernel, the following vulnerability has been resolved:

    scsi: mpt3sas: Fix a memory leak (CVE-2023-53512)

    In the Linux kernel, the following vulnerability has been resolved:

    scsi: ses: Fix slab-out-of-bounds in ses_intf_remove() (CVE-2023-53521)

    In the Linux kernel, the following vulnerability has been resolved:

    sctp: add a refcnt in sctp_stream_priorities to avoid a nested loop (CVE-2023-53590)

    In the Linux kernel, the following vulnerability has been resolved:

    irqchip: Fix refcount leak in platform_irqchip_probe (CVE-2023-53610)

    In the Linux kernel, the following vulnerability has been resolved:

    scsi: ses: Fix possible desc_ptr out-of-bounds accesses (CVE-2023-53675)

    In the Linux kernel, the following vulnerability has been resolved:

    udf: Detect system inodes linked into directory hierarchy (CVE-2023-53695)

    In the Linux kernel, the following vulnerability has been resolved:

    ring-buffer: Handle race between rb_move_tail and rb_check_pages (CVE-2023-53709)

    In the Linux kernel, the following vulnerability has been resolved:

    blk-iocost: fix divide by 0 error in calc_lcoefs() (CVE-2023-53783)

    In the Linux kernel, the following vulnerability has been resolved:

    ubi: Fix use-after-free when volume resizing failed (CVE-2023-53800)

    In the Linux kernel, the following vulnerability has been resolved:

    scsi: ses: Fix slab-out-of-bounds in ses_enclosure_data_process() (CVE-2023-53803)

    In the Linux kernel, the following vulnerability has been resolved:

    l2tp: Avoid possible recursive deadlock in l2tp_tunnel_register() (CVE-2023-53809)

    In the Linux kernel, the following vulnerability has been resolved:

    loop: loop_set_status_from_info() check before assignment (CVE-2023-53820)

    In the Linux kernel, the following vulnerability has been resolved:

    ubi: Fix UAF wear-leveling entry in eraseblk_count_seq_show() (CVE-2023-53826)

    In the Linux kernel, the following vulnerability has been resolved:

    hfs: fix missing hfs_bnode_get() in __hfs_bnode_create (CVE-2023-53862)

    In the Linux kernel, the following vulnerability has been resolved:

    KVM: Destroy target device if coalesced MMIO unregistration fails (CVE-2023-54024)

    In the Linux kernel, the following vulnerability has been resolved:

    crypto: essiv - Handle EBUSY correctly (CVE-2023-54046)

    In the Linux kernel, the following vulnerability has been resolved:

    ubi: Fix possible null-ptr-deref in ubi_free_volume() (CVE-2023-54087)

    In the Linux kernel, the following vulnerability has been resolved:

    scsi: qla2xxx: Fix DMA-API call trace on NVMe LS requests (CVE-2023-54108)

    In the Linux kernel, the following vulnerability has been resolved:

    leds: led-core: Fix refcount leak in of_led_get() (CVE-2023-54190)

    In the Linux kernel, the following vulnerability has been resolved:

    tty: fix out-of-bounds access in tty_driver_lookup_tty() (CVE-2023-54198)

    In the Linux kernel, the following vulnerability has been resolved:

    netfilter: ebtables: fix table blob use-after-free (CVE-2023-54243)

    In the Linux kernel, the following vulnerability has been resolved:

    cifs: Fix lost destroy smbd connection when MR allocate failed (CVE-2023-54260)

    In the Linux kernel, the following vulnerability has been resolved:

    ext4: refuse to create ea block when umounted (CVE-2023-54305)

    In the Linux kernel, the following vulnerability has been resolved:

    net: tls: avoid hanging tasks on the tx_lock (CVE-2023-54306)

    In the Linux kernel, the following vulnerability has been resolved:

    dm flakey: don't corrupt the zero page (CVE-2023-54317)

    kernel: refcount leak in ctnetlink_create_conntrack() (CVE-2023-7192)

    In the Linux kernel, the following vulnerability has been resolved:

    scsi: ses: Fix possible addl_desc_ptr out-of-bounds accesses (CVE-2023-7324)

Tenable has extracted the preceding description block directly from the tested product security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2023-127 advisory.

    A regression exists in the Linux Kernel within KVM: nVMX that allowed for speculative execution attacks.
    L2 can carry out Spectre v2 attacks on L1 due to L1 thinking it doesn't need retpolines or IBPB after     running L2 due to KVM (L0) advertising eIBRS support to L1. An attacker at L2 with code execution can     execute code on an indirect branch on the host machine. We recommend upgrading to Kernel 6.2 or past     commit 2e7eab81425a (CVE-2022-2196)

    Detected a few exploitable gadgets that could leak secret memory through a side-channel such as MDS as     well as insufficient hardening of the usercopy functions against spectre-v1. (CVE-2023-0458)

    Use After Free vulnerability in Linux kernel traffic control index filter (tcindex) allows Privilege     Escalation. The imperfect hash area can be updated while packets are traversing, which will cause a use-     after-free when 'tcf_exts_exec()' is called with the destroyed tcf_ext. A local attacker user can use this     vulnerability to elevate its privileges to root.This issue affects Linux Kernel: from 4.14 before git     commit ee059170b1f7e94e55fa6cadee544e176a6e59c2. (CVE-2023-1281)

    In the Linux kernel before 6.1.13, there is a double free in net/mpls/af_mpls.c upon an allocation failure     (for registering the sysctl table under a new location) during the renaming of a device. (CVE-2023-26545)

    In the Linux kernel, the following vulnerability has been resolved:

    aio: fix mremap after fork null-deref (CVE-2023-52646)

    In the Linux kernel, the following vulnerability has been resolved:

    net: use a bounce buffer for copying skb->mark (CVE-2023-52701)

    In the Linux kernel, the following vulnerability has been resolved:

    net: openvswitch: fix possible memory leak in ovs_meter_cmd_set() (CVE-2023-52702)

    In the Linux kernel, the following vulnerability has been resolved:

    freezer,umh: Fix call_usermode_helper_exec() vs SIGKILL (CVE-2023-52704)

    In the Linux kernel, the following vulnerability has been resolved:

    sched/psi: Fix use-after-free in ep_remove_wait_queue() (CVE-2023-52707)

    In the Linux kernel, the following vulnerability has been resolved:

    fbdev: Fix invalid page access after closing deferred I/O devices (CVE-2023-52731)

    In the Linux kernel, the following vulnerability has been resolved:

    ceph: blocklist the kclient when receiving corrupted snap trace (CVE-2023-52732)

    In the Linux kernel, the following vulnerability has been resolved:

    bpf, sockmap: Don't let sock_map_{close,destroy,unhash} call itself (CVE-2023-52735)

    In the Linux kernel, the following vulnerability has been resolved:

    btrfs: lock the inode in shared mode before starting fiemap (CVE-2023-52737)

    In the Linux kernel, the following vulnerability has been resolved:

    ext4: Fix function prototype mismatch for ext4_feat_ktype (CVE-2023-53224)

Tenable has extracted the preceding description block directly from the tested product security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

An update of the linux package has been released.

ID	Name	Product	Family	Type	Severity
353813	Rocky Linux 8 [CIQ] Security Update: bpftool / bpftool-debuginfo / kernel / kernel-abi-stablelists / etc Multiple Vulnerabilities (crxsa-2024_3138)	Nessus	Rocky Linux Local Security Checks	Local	critical
352009	AlmaLinux 9.2 [TuxCare] Security Update: bpftool / kernel / kernel-abi-stablelists / kernel-core / etc Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2025:1760546935)	Nessus	Alma Linux Local Security Checks	Local	high
281273	Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-993159)	Nessus	Unity Linux Local Security Checks	Local	medium
280240	Unity Linux 20.1070e Security Update: kernel (UTSA-2025-992170)	Nessus	Unity Linux Local Security Checks	Local	medium
280153	Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-992362)	Nessus	Unity Linux Local Security Checks	Local	medium
265017	Linux Distros Unpatched Vulnerability : CVE-2023-53224	Nessus	Misc.	Local	medium
173235	Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.15-2023-015 (ALASKERNEL-5.15-2023-015)	Nessus	Amazon Linux Local Security Checks	Local	high
173230	Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.4-2023-043 (ALASKERNEL-5.4-2023-043)	Nessus	Amazon Linux Local Security Checks	Local	high
173228	Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.10-2023-028 (ALASKERNEL-5.10-2023-028)	Nessus	Amazon Linux Local Security Checks	Local	high
173158	Amazon Linux 2023 : bpftool, kernel, kernel-devel (ALAS2023-2023-127)	Nessus	Amazon Linux Local Security Checks	Local	high
151965	Photon OS 4.0: Linux PHSA-2021-4.0-0065	Nessus	PhotonOS Local Security Checks	Local	high

Detections

Analytics

CVE-2023-53224

medium

Tenable Plugins

critical

high

medium

medium

medium

medium

high

high

high

high

high