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.

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

  - 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)

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 5.4.231-137.341. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2KERNEL-5.4-2023-042 advisory.

    A flaw was found in the Linux kernel's Layer 2 Tunneling Protocol (L2TP). A missing lock when clearing     sk_user_data can lead to a race condition and NULL pointer dereference. A local user could use this flaw     to potentially crash the system causing a denial of service. (CVE-2022-4129)

    In the Linux kernel before 6.1.6, a NULL pointer dereference bug in the traffic control subsystem allows     an unprivileged user to trigger a denial of service (system crash) via a crafted traffic control     configuration that is set up with tc qdisc and tc class commands. This affects qdisc_graft in     net/sched/sch_api.c. (CVE-2022-47929)

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

    efi: fix NULL-deref in init error path (CVE-2022-48879)

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

    ixgbe: fix pci device refcount leak (CVE-2022-48896)

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

    drm/virtio: Fix GEM handle creation UAF (CVE-2022-48899)

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

    udf: Fix preallocation discarding at indirect extent boundary (CVE-2022-48946)

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

    igb: Initialize mailbox message for VF reset (CVE-2022-48949)

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

    perf/x86/amd: fix potential integer overflow on shift of a int (CVE-2022-49748)

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

    dmaengine: Fix double increment of client_count in dma_chan_get() (CVE-2022-49753)

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

    drivers: net: qlcnic: Fix potential memory leak in qlcnic_sriov_init() (CVE-2022-50242)

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

    regulator: core: fix use_count leakage when handling boot-on (CVE-2022-50250)

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

    mmc: vub300: fix return value check of mmc_add_host() (CVE-2022-50251)

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

    igb: Do not free q_vector unless new one was allocated (CVE-2022-50252)

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

    bpf: make sure skb->len != 0 when redirecting to a tunneling device (CVE-2022-50253)

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

    bpf, sockmap: fix race in sock_map_free() (CVE-2022-50259)

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

    drm/radeon: Add the missed acpi_put_table() to fix memory leak (CVE-2022-50275)

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

    power: supply: fix null pointer dereferencing in power_supply_get_battery_info (CVE-2022-50276)

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

    PNP: fix name memory leak in pnp_alloc_dev() (CVE-2022-50278)

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

    pnode: terminate at peers of source (CVE-2022-50280)

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

    chardev: fix error handling in cdev_device_add() (CVE-2022-50282)

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

    ext4: fix delayed allocation bug in ext4_clu_mapped for bigalloc + inline (CVE-2022-50286)

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

    qlcnic: prevent ->dcb use-after-free on qlcnic_dcb_enable() failure (CVE-2022-50288)

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

    perf/x86/intel/uncore: Fix reference count leak in hswep_has_limit_sbox() (CVE-2022-50318)

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

    fs: jfs: fix shift-out-of-bounds in dbDiscardAG (CVE-2022-50333)

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

    hugetlbfs: fix null-ptr-deref in hugetlbfs_parse_param() (CVE-2022-50334)

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

    cifs: fix oops during encryption (CVE-2022-50341)

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

    rapidio: fix possible name leaks when rio_add_device() fails (CVE-2022-50343)

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

    ext4: init quota for 'old.inode' in 'ext4_rename' (CVE-2022-50346)

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

    misc: tifm: fix possible memory leak in tifm_7xx1_switch_media() (CVE-2022-50349)

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

    skbuff: Account for tail adjustment during pull operations (CVE-2022-50365)

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

    md: fix a crash in mempool_free (CVE-2022-50381)

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

    tpm: tpm_crb: Add the missed acpi_put_table() to fix memory leak (CVE-2022-50389)

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

    integrity: Fix memory leakage in keyring allocation error path (CVE-2022-50395)

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

    net: sched: fix memory leak in tcindex_set_parms (CVE-2022-50396)

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

    nfsd: under NFSv4.1, fix double svc_xprt_put on rpc_create failure (CVE-2022-50401)

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

    drivers/md/md-bitmap: check the return value of md_bitmap_get_counter() (CVE-2022-50402)

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

    net/tunnel: wait until all sk_user_data reader finish before releasing the sock (CVE-2022-50405)

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

    ACPICA: Fix error code path in acpi_ds_call_control_method() (CVE-2022-50411)

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

    scsi: fcoe: Fix transport not deattached when fcoe_if_init() fails (CVE-2022-50414)

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

    mmc: vub300: fix warning - do not call blocking ops when !TASK_RUNNING (CVE-2022-50430)

    The Linux kernel does not correctly mitigate SMT attacks, as discovered through a strange pattern in the     kernel API using STIBP as a mitigation, leaving the process exposed for a short period of time after a     syscall. The kernel also does not issue an IBPB immediately during the syscall. (CVE-2023-0045)

    A NULL pointer dereference flaw was found in rawv6_push_pending_frames in net/ipv6/raw.c in the network     subcomponent in the Linux kernel. This flaw causes the system to crash. (CVE-2023-0394)

    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-2023-0459)

    There is a use-after-free vulnerability in the Linux Kernel which can be exploited to achieve local     privilege escalation. To reach the vulnerability kernel configuration flag CONFIG_TLS or     CONFIG_XFRM_ESPINTCP has to be configured, but the operation does not require any privilege.

    There is a use-after-free bug of icsk_ulp_data of a struct inet_connection_sock.

    When CONFIG_TLS is enabled, user can install a tls context (struct tls_context) on a connected tcp socket.
    The context is not cleared if this socket is disconnected and reused as a listener. If a new socket is     created from the listener, the context is inherited and vulnerable.

    The setsockopt TCP_ULP operation does not require any privilege.

    We recommend upgrading past commit 2c02d41d71f90a5168391b6a5f2954112ba2307c (CVE-2023-0461)

    A memory corruption flaw was found in the Linux kernel's human interface device (HID) subsystem in how a     user inserts a malicious USB device. This flaw allows a local user to crash or potentially escalate their     privileges on the system. (CVE-2023-1073)

    cbq_classify in net/sched/sch_cbq.c in the Linux kernel through 6.1.4 allows attackers to cause a denial     of service (slab-out-of-bounds read) because of type confusion (non-negative numbers can sometimes     indicate a TC_ACT_SHOT condition rather than valid classification results). (CVE-2023-23454)

    atm_tc_enqueue in net/sched/sch_atm.c in the Linux kernel through 6.1.4 allows attackers to cause a denial     of service because of type confusion (non-negative numbers can sometimes indicate a TC_ACT_SHOT condition     rather than valid classification results). (CVE-2023-23455)

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

    btrfs: fix race between quota rescan and disable leading to NULL pointer deref (CVE-2023-52896)

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

    xhci: Fix null pointer dereference when host dies (CVE-2023-52898)

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

    nilfs2: fix general protection fault in nilfs_btree_insert() (CVE-2023-52900)

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

    usb: xhci: Check endpoint is valid before dereferencing it (CVE-2023-52901)

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

    net/sched: act_mpls: Fix warning during failed attribute validation (CVE-2023-52906)

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

    bpf: Skip task with pid=1 in send_signal_common() (CVE-2023-52992)

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

    x86/i8259: Mark legacy PIC interrupts with IRQ_LEVEL (CVE-2023-52993)

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

    ipv4: prevent potential spectre v1 gadget in fib_metrics_match() (CVE-2023-52996)

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

    ipv4: prevent potential spectre v1 gadget in ip_metrics_convert() (CVE-2023-52997)

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

    net: fix UaF in netns ops registration error path (CVE-2023-52999)

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

    netlink: prevent potential spectre v1 gadgets (CVE-2023-53000)

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

    cifs: Fix oops due to uncleared server->smbd_conn in reconnect (CVE-2023-53006)

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

    tracing: Make sure trace_printk() can output as soon as it can be used (CVE-2023-53007)

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

    HID: betop: check shape of output reports (CVE-2023-53015)

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

    net: mdio: validate parameter addr in mdiobus_get_phy() (CVE-2023-53019)

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

    net/sched: sch_taprio: fix possible use-after-free (CVE-2023-53021)

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

    bpf: Fix pointer-leak due to insufficient speculative store bypass mitigation (CVE-2023-53024)

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

    RDMA/core: Fix ib block iterator counter overflow (CVE-2023-53026)

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

    netfilter: ipset: Fix overflow before widen in the bitmap_ip_create() function. (CVE-2023-53032)

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 5.15.90-54.138. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2KERNEL-5.15-2023-013 advisory.

    In the Linux kernel before 6.1.6, a NULL pointer dereference bug in the traffic control subsystem allows     an unprivileged user to trigger a denial of service (system crash) via a crafted traffic control     configuration that is set up with tc qdisc and tc class commands. This affects qdisc_graft in     net/sched/sch_api.c. (CVE-2022-47929)

    A flaw NULL Pointer Dereference in the Linux kernel NTFS3 driver function attr_punch_hole() was found. A     local user could use this flaw to crash the system. (CVE-2022-4842)

    In the Linux kernel before 6.1.3, fs/ntfs3/inode.c does not validate the attribute name offset. An     unhandled page fault may occur. (CVE-2022-48424)

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

    efi: fix NULL-deref in init error path (CVE-2022-48879)

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

    sched/core: Fix use-after-free bug in dup_user_cpus_ptr() (CVE-2022-48892)

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

    fs/ntfs3: Validate BOOT record_size (CVE-2022-50262)

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

    pnode: terminate at peers of source (CVE-2022-50280)

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

    ext4: fix delayed allocation bug in ext4_clu_mapped for bigalloc + inline (CVE-2022-50286)

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

    btrfs: fix extent map use-after-free when handling missing device in read_one_chunk (CVE-2022-50300)

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

    ext4: fix potential out of bound read in ext4_fc_replay_scan() (CVE-2022-50306)

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

    block, bfq: fix uaf for bfqq in bfq_exit_icq_bfqq (CVE-2022-50329)

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

    fs/ntfs3: Add null pointer check to attr_load_runs_vcn (CVE-2022-50336)

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

    cifs: fix oops during encryption (CVE-2022-50341)

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

    ext4: init quota for 'old.inode' in 'ext4_rename' (CVE-2022-50346)

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

    md: fix a crash in mempool_free (CVE-2022-50381)

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

    nvme: fix multipath crash caused by flush request when blktrace is enabled (CVE-2022-50388)

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

    tpm: tpm_crb: Add the missed acpi_put_table() to fix memory leak (CVE-2022-50389)

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

    net: sched: fix memory leak in tcindex_set_parms (CVE-2022-50396)

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

    ext4: don't set up encryption key during jbd2 transaction (CVE-2022-50436)

    The Linux kernel does not correctly mitigate SMT attacks, as discovered through a strange pattern in the     kernel API using STIBP as a mitigation, leaving the process exposed for a short period of time after a     syscall. The kernel also does not issue an IBPB immediately during the syscall. (CVE-2023-0045)

    A buffer overflow vulnerability was found in the Netfilter subsystem in the Linux Kernel. This issue could     allow the leakage of both stack and heap addresses, and potentially allow Local Privilege Escalation to     the root user via arbitrary code execution. (CVE-2023-0179)

    A NULL pointer dereference flaw was found in rawv6_push_pending_frames in net/ipv6/raw.c in the network     subcomponent in the Linux kernel. This flaw causes the system to crash. (CVE-2023-0394)

    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-2023-0459)

    There is a use-after-free vulnerability in the Linux Kernel which can be exploited to achieve local     privilege escalation. To reach the vulnerability kernel configuration flag CONFIG_TLS or     CONFIG_XFRM_ESPINTCP has to be configured, but the operation does not require any privilege.

    There is a use-after-free bug of icsk_ulp_data of a struct inet_connection_sock.

    When CONFIG_TLS is enabled, user can install a tls context (struct tls_context) on a connected tcp socket.
    The context is not cleared if this socket is disconnected and reused as a listener. If a new socket is     created from the listener, the context is inherited and vulnerable.

    The setsockopt TCP_ULP operation does not require any privilege.

    We recommend upgrading past commit 2c02d41d71f90a5168391b6a5f2954112ba2307c (CVE-2023-0461)

    cbq_classify in net/sched/sch_cbq.c in the Linux kernel through 6.1.4 allows attackers to cause a denial     of service (slab-out-of-bounds read) because of type confusion (non-negative numbers can sometimes     indicate a TC_ACT_SHOT condition rather than valid classification results). (CVE-2023-23454)

    atm_tc_enqueue in net/sched/sch_atm.c in the Linux kernel through 6.1.4 allows attackers to cause a denial     of service because of type confusion (non-negative numbers can sometimes indicate a TC_ACT_SHOT condition     rather than valid classification results). (CVE-2023-23455)

    In the Linux kernel 6.0.8, there is a use-after-free in run_unpack in fs/ntfs3/run.c, related to a     difference between NTFS sector size and media sector size. (CVE-2023-26544)

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

    btrfs: fix race between quota rescan and disable leading to NULL pointer deref (CVE-2023-52896)

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

    xhci: Fix null pointer dereference when host dies (CVE-2023-52898)

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

    usb: xhci: Check endpoint is valid before dereferencing it (CVE-2023-52901)

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

    io_uring: lock overflowing for IOPOLL (CVE-2023-52903)

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

    net/sched: act_mpls: Fix warning during failed attribute validation (CVE-2023-52906)

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

    iommu/iova: Fix alloc iova overflows issue (CVE-2023-52910)

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

    netfilter: ipset: Fix overflow before widen in the bitmap_ip_create() function. (CVE-2023-53032)

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

    netfilter: nft_payload: incorrect arithmetics when fetching VLAN header bits (CVE-2023-53033)

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

    fs/ntfs3: don't hold ni_lock when calling truncate_setsize() (CVE-2023-53163)

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 5.10.165-143.735. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2KERNEL-5.10-2023-026 advisory.

    In the Linux kernel before 6.1.6, a NULL pointer dereference bug in the traffic control subsystem allows     an unprivileged user to trigger a denial of service (system crash) via a crafted traffic control     configuration that is set up with tc qdisc and tc class commands. This affects qdisc_graft in     net/sched/sch_api.c. (CVE-2022-47929)

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

    efi: fix NULL-deref in init error path (CVE-2022-48879)

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

    ixgbe: fix pci device refcount leak (CVE-2022-48896)

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

    drm/virtio: Fix GEM handle creation UAF (CVE-2022-48899)

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

    rtc: cmos: Fix event handler registration ordering issue (CVE-2022-48953)

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

    drivers: net: qlcnic: Fix potential memory leak in qlcnic_sriov_init() (CVE-2022-50242)

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

    regulator: core: fix use_count leakage when handling boot-on (CVE-2022-50250)

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

    mmc: vub300: fix return value check of mmc_add_host() (CVE-2022-50251)

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

    igb: Do not free q_vector unless new one was allocated (CVE-2022-50252)

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

    bpf: make sure skb->len != 0 when redirecting to a tunneling device (CVE-2022-50253)

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

    bpf, sockmap: fix race in sock_map_free() (CVE-2022-50259)

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

    drm/radeon: Add the missed acpi_put_table() to fix memory leak (CVE-2022-50275)

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

    power: supply: fix null pointer dereferencing in power_supply_get_battery_info (CVE-2022-50276)

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

    PNP: fix name memory leak in pnp_alloc_dev() (CVE-2022-50278)

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

    pnode: terminate at peers of source (CVE-2022-50280)

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

    chardev: fix error handling in cdev_device_add() (CVE-2022-50282)

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

    ext4: fix delayed allocation bug in ext4_clu_mapped for bigalloc + inline (CVE-2022-50286)

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

    qlcnic: prevent ->dcb use-after-free on qlcnic_dcb_enable() failure (CVE-2022-50288)

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

    perf/x86/intel/uncore: Fix reference count leak in hswep_has_limit_sbox() (CVE-2022-50318)

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

    fs: jfs: fix shift-out-of-bounds in dbDiscardAG (CVE-2022-50333)

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

    hugetlbfs: fix null-ptr-deref in hugetlbfs_parse_param() (CVE-2022-50334)

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

    cifs: fix oops during encryption (CVE-2022-50341)

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

    rapidio: fix possible name leaks when rio_add_device() fails (CVE-2022-50343)

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

    ext4: init quota for 'old.inode' in 'ext4_rename' (CVE-2022-50346)

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

    misc: tifm: fix possible memory leak in tifm_7xx1_switch_media() (CVE-2022-50349)

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

    skbuff: Account for tail adjustment during pull operations (CVE-2022-50365)

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

    md: fix a crash in mempool_free (CVE-2022-50381)

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

    padata: Always leave BHs disabled when running ->parallel() (CVE-2022-50382)

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

    NFS: Fix an Oops in nfs_d_automount() (CVE-2022-50385)

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

    nvme: fix multipath crash caused by flush request when blktrace is enabled (CVE-2022-50388)

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

    tpm: tpm_crb: Add the missed acpi_put_table() to fix memory leak (CVE-2022-50389)

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

    integrity: Fix memory leakage in keyring allocation error path (CVE-2022-50395)

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

    net: sched: fix memory leak in tcindex_set_parms (CVE-2022-50396)

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

    nfsd: under NFSv4.1, fix double svc_xprt_put on rpc_create failure (CVE-2022-50401)

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

    drivers/md/md-bitmap: check the return value of md_bitmap_get_counter() (CVE-2022-50402)

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

    net/tunnel: wait until all sk_user_data reader finish before releasing the sock (CVE-2022-50405)

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

    ACPICA: Fix error code path in acpi_ds_call_control_method() (CVE-2022-50411)

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

    scsi: fcoe: Fix transport not deattached when fcoe_if_init() fails (CVE-2022-50414)

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

    mmc: vub300: fix warning - do not call blocking ops when !TASK_RUNNING (CVE-2022-50430)

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

    ext4: don't set up encryption key during jbd2 transaction (CVE-2022-50436)

    The Linux kernel does not correctly mitigate SMT attacks, as discovered through a strange pattern in the     kernel API using STIBP as a mitigation, leaving the process exposed for a short period of time after a     syscall. The kernel also does not issue an IBPB immediately during the syscall. (CVE-2023-0045)

    A buffer overflow vulnerability was found in the Netfilter subsystem in the Linux Kernel. This issue could     allow the leakage of both stack and heap addresses, and potentially allow Local Privilege Escalation to     the root user via arbitrary code execution. (CVE-2023-0179)

    There is a logic error in io_uring's implementation which can be used to trigger a use-after-free     vulnerability leading to privilege escalation. In the io_prep_async_work function the assumption that the     last io_grab_identity call cannot return false is not true, and in this case the function will use the     init_cred or the previous linked requests identity to do operations instead of using the current identity.
    This can lead to reference counting issues causing use-after-free. We recommend upgrading past version     5.10.161. (CVE-2023-0240)

    A NULL pointer dereference flaw was found in rawv6_push_pending_frames in net/ipv6/raw.c in the network     subcomponent in the Linux kernel. This flaw causes the system to crash. (CVE-2023-0394)

    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-2023-0459)

    There is a use-after-free vulnerability in the Linux Kernel which can be exploited to achieve local     privilege escalation. To reach the vulnerability kernel configuration flag CONFIG_TLS or     CONFIG_XFRM_ESPINTCP has to be configured, but the operation does not require any privilege.

    There is a use-after-free bug of icsk_ulp_data of a struct inet_connection_sock.

    When CONFIG_TLS is enabled, user can install a tls context (struct tls_context) on a connected tcp socket.
    The context is not cleared if this socket is disconnected and reused as a listener. If a new socket is     created from the listener, the context is inherited and vulnerable.

    The setsockopt TCP_ULP operation does not require any privilege.

    We recommend upgrading past commit 2c02d41d71f90a5168391b6a5f2954112ba2307c (CVE-2023-0461)

    efi: rt-wrapper: Add missing include (CVE-2023-21102)

    cbq_classify in net/sched/sch_cbq.c in the Linux kernel through 6.1.4 allows attackers to cause a denial     of service (slab-out-of-bounds read) because of type confusion (non-negative numbers can sometimes     indicate a TC_ACT_SHOT condition rather than valid classification results). (CVE-2023-23454)

    atm_tc_enqueue in net/sched/sch_atm.c in the Linux kernel through 6.1.4 allows attackers to cause a denial     of service because of type confusion (non-negative numbers can sometimes indicate a TC_ACT_SHOT condition     rather than valid classification results). (CVE-2023-23455)

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

    btrfs: fix race between quota rescan and disable leading to NULL pointer deref (CVE-2023-52896)

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

    xhci: Fix null pointer dereference when host dies (CVE-2023-52898)

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

    nilfs2: fix general protection fault in nilfs_btree_insert() (CVE-2023-52900)

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

    usb: xhci: Check endpoint is valid before dereferencing it (CVE-2023-52901)

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

    io_uring: lock overflowing for IOPOLL (CVE-2023-52903)

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

    net/sched: act_mpls: Fix warning during failed attribute validation (CVE-2023-52906)

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

    netfilter: ipset: Fix overflow before widen in the bitmap_ip_create() function. (CVE-2023-53032)

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

    netfilter: nft_payload: incorrect arithmetics when fetching VLAN header bits (CVE-2023-53033)

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	Severity
265274	Linux Distros Unpatched Vulnerability : CVE-2022-50341	Nessus	Misc.	high
171848	Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.4-2023-042 (ALASKERNEL-5.4-2023-042)	Nessus	Amazon Linux Local Security Checks	high
171227	Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.15-2023-013 (ALASKERNEL-5.15-2023-013)	Nessus	Amazon Linux Local Security Checks	high
171216	Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.10-2023-026 (ALASKERNEL-5.10-2023-026)	Nessus	Amazon Linux Local Security Checks	high
153035	Photon OS 4.0: Linux PHSA-2021-4.0-0095	Nessus	PhotonOS Local Security Checks	high

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CVE-2022-50341

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