It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2023-148 advisory.

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

    KVM: VMX: Do _all_ initialization before exposing /dev/kvm to userspace (CVE-2022-49932)

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

    The perf_group_detach function did not check the event's siblings' attach_state before calling     add_event_to_groups(), but remove_on_exec made it possible to call list_del_event() on before detaching     from their group, making it possible to use a dangling pointer causing a use-after-free vulnerability.

    We recommend upgrading past commit fd0815f632c24878e325821943edccc7fde947a2. (CVE-2023-2235)

    do_tls_getsockopt in net/tls/tls_main.c in the Linux kernel through 6.2.6 lacks a lock_sock call, leading     to a race condition (with a resultant use-after-free or NULL pointer dereference). (CVE-2023-28466)

    An issue was discovered in arch/x86/kvm/vmx/nested.c in the Linux kernel before 6.2.8. nVMX on x86_64     lacks consistency checks for CR0 and CR4. (CVE-2023-30456)

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

    ACPI: PPTT: Fix to avoid sleep in the atomic context when PPTT is absent (CVE-2023-53070)

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

    ftrace: Fix invalid address access in lookup_rec() when index is 0 (CVE-2023-53075)

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

    ocfs2: fix data corruption after failed write (CVE-2023-53081)

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

    drm/shmem-helper: Remove another errant put in error path (CVE-2023-53084)

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

    drm/i915/active: Fix misuse of non-idle barriers as fence trackers (CVE-2023-53087)

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

    ext4: fix task hung in ext4_xattr_delete_inode (CVE-2023-53089)

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

    ext4: update s_journal_inum if it changes after journal replay (CVE-2023-53091)

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

    drm/ttm: Fix a NULL pointer dereference (CVE-2023-53095)

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

    interconnect: fix mem leak when freeing nodes (CVE-2023-53096)

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

    ext4: fix WARNING in ext4_update_inline_data (CVE-2023-53100)

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

    ext4: zero i_disksize when initializing the bootloader inode (CVE-2023-53101)

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

    bonding: restore bond's IFF_SLAVE flag if a non-eth dev enslave fails (CVE-2023-53103)

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

    veth: Fix use after free in XDP_REDIRECT (CVE-2023-53107)

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

    net: tunnels: annotate lockless accesses to dev->needed_headroom (CVE-2023-53109)

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

    loop: Fix use-after-free issues (CVE-2023-53111)

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

    drm/i915/sseu: fix max_subslices array-index-out-of-bounds access (CVE-2023-53112)

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

    fs: prevent out-of-bounds array speculation when closing a file descriptor (CVE-2023-53117)

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

    tcp: tcp_make_synack() can be called from process context (CVE-2023-53121)

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

    PCI: s390: Fix use-after-free of PCI resources with per-function hotplug (CVE-2023-53123)

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

    SUNRPC: Fix a server shutdown leak (CVE-2023-53131)

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

    bpf, sockmap: Fix an infinite loop error when len is 0 in tcp_bpf_recvmsg_parser() (CVE-2023-53133)

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

    af_unix: fix struct pid leaks in OOB support (CVE-2023-53136)

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

    ext4: Fix possible corruption when moving a directory (CVE-2023-53137)

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

    scsi: core: Remove the /proc/scsi/${proc_name} directory earlier (CVE-2023-53140)

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

    ila: do not generate empty messages in ila_xlat_nl_cmd_get_mapping() (CVE-2023-53141)

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

    ext4: fix another off-by-one fsmap error on 1k block filesystems (CVE-2023-53143)

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

    x86/resctrl: Clear staged_config[] before and after it is used (CVE-2023-53169)

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 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: ACPI: PPTT: Fix to avoid sleep in the     atomic context when PPTT is absent Commit 0c80f9e165f8 (ACPI: PPTT: Leave the table mapped for the     runtime usage) enabled to map PPTT once on the first invocation of acpi_get_pptt() and never unmapped the     same allowing it to be used at runtime with out the hassle of mapping and unmapping the table. This was     needed to fetch LLC information from the PPTT in the cpuhotplug path which is executed in the atomic     context as the acpi_get_table() might sleep waiting for a mutex. However it missed to handle the case when     there is no PPTT on the system which results in acpi_get_pptt() being called from all the secondary CPUs     attempting to fetch the LLC information in the atomic context without knowing the absence of PPTT     resulting in the splat like below: | BUG: sleeping function called from invalid context at     kernel/locking/semaphore.c:164 | in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 0, name: swapper/1     | preempt_count: 1, expected: 0 | RCU nest depth: 0, expected: 0 | no locks held by swapper/1/0. | irq     event stamp: 0 | hardirqs last enabled at (0): 0x0 | hardirqs last disabled at (0):
    copy_process+0x61c/0x1b40 | softirqs last enabled at (0): copy_process+0x61c/0x1b40 | softirqs last     disabled at (0): 0x0 | CPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.3.0-rc1 #1 | Call trace: |     dump_backtrace+0xac/0x138 | show_stack+0x30/0x48 | dump_stack_lvl+0x60/0xb0 | dump_stack+0x18/0x28 |
    __might_resched+0x160/0x270 | __might_sleep+0x58/0xb0 | down_timeout+0x34/0x98 |     acpi_os_wait_semaphore+0x7c/0xc0 | acpi_ut_acquire_mutex+0x58/0x108 | acpi_get_table+0x40/0xe8 |     acpi_get_pptt+0x48/0xa0 | acpi_get_cache_info+0x38/0x140 | init_cache_level+0xf4/0x118 |     detect_cache_attributes+0x2e4/0x640 | update_siblings_masks+0x3c/0x330 | store_cpu_topology+0x88/0xf0 |     secondary_start_kernel+0xd0/0x168 | __secondary_switched+0xb8/0xc0 Update acpi_get_pptt() to consider the     fact that PPTT is once checked and is not available on the system and return NULL avoiding any attempts to     fetch PPTT and thereby avoiding any possible sleep waiting for a mutex in the atomic context.
    (CVE-2023-53070)

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

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2023:6583 advisory.

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

    Security Fix(es):

    * kernel: net/sched: cls_u32 component reference counter leak if tcf_change_indev() fails (CVE-2023-3609)

    * kernel: net/sched: Use-after-free vulnerabilities in the net/sched classifiers: cls_fw, cls_u32 and     cls_route (CVE-2023-4128, CVE-2023-4206, CVE-2023-4207, CVE-2023-4208)

    * kernel: eBPF: insufficient stack type checks in dynptr (CVE-2023-39191)

    * Kernel: race when faulting a device private page in memory manager (CVE-2022-3523)

    * kernel: use-after-free in l1oip timer handlers (CVE-2022-3565)

    * kernel: Rate limit overflow messages in r8152 in intr_callback (CVE-2022-3594)

    * kernel: vmwgfx: use-after-free in vmw_cmd_res_check (CVE-2022-38457)

    * kernel: vmwgfx: use-after-free in vmw_execbuf_tie_context (CVE-2022-40133)

    * hw: Intel: Gather Data Sampling (GDS) side channel vulnerability (CVE-2022-40982)

    * kernel: Information leak in l2cap_parse_conf_req in net/bluetooth/l2cap_core.c (CVE-2022-42895)

    * kernel: x86/mm: Randomize per-cpu entry area (CVE-2023-0597)

    * kernel: HID: check empty report_list in hid_validate_values() (CVE-2023-1073)

    * kernel: sctp: fail if no bound addresses can be used for a given scope (CVE-2023-1074)

    * kernel: hid: Use After Free in asus_remove() (CVE-2023-1079)

    * kernel: hash collisions in the IPv6 connection lookup table (CVE-2023-1206)

    * kernel: ovl: fix use after free in struct ovl_aio_req (CVE-2023-1252)

    * Kernel: use-after-free in nfsd4_ssc_setup_dul in fs/nfsd/nfs4proc.c (CVE-2023-1652)

    * kernel: Use after free bug in btsdio_remove due to race condition (CVE-2023-1989)

    * kernel: fbcon: shift-out-of-bounds in fbcon_set_font() (CVE-2023-3161)

    * kernel: out-of-bounds access in relay_file_read (CVE-2023-3268)

    * kernel: xfrm: NULL pointer dereference in xfrm_update_ae_params() (CVE-2023-3772)

    * kernel: xfrm: out-of-bounds read of XFRMA_MTIMER_THRESH nlattr (CVE-2023-3773)

    * kernel: KVM: SEV-ES / SEV-SNP VMGEXIT double fetch vulnerability (CVE-2023-4155)

    * kernel: exFAT: stack overflow in exfat_get_uniname_from_ext_entry (CVE-2023-4273)

    * kernel: mpls: double free on sysctl allocation failure (CVE-2023-26545)

    * kernel: KVM: nVMX: missing consistency checks for CR0 and CR4 (CVE-2023-30456)

    * kernel: net: qcom/emac: race condition leading to use-after-free in emac_remove() (CVE-2023-33203)

    * kernel: vmwgfx: race condition leading to information disclosure vulnerability (CVE-2023-33951)

    * kernel: vmwgfx: double free within the handling of vmw_buffer_object objects (CVE-2023-33952)

    * kernel: r592: race condition leading to use-after-free in r592_remove() (CVE-2023-35825)

    * kernel: net/tls: tls_is_tx_ready() checked list_entry (CVE-2023-1075)

    * kernel: tap: tap_open(): correctly initialize socket uid (CVE-2023-1076)

    * kernel: missing mmap_lock in file_files_note that could possibly lead to a use after free in the     coredump code (CVE-2023-1249)

    * kernel: use-after-free bug in remove function xgene_hwmon_remove (CVE-2023-1855)

    * kernel: Use after free bug in r592_remove (CVE-2023-3141)

    * kernel: gfs2: NULL pointer dereference in gfs2_evict_inode() (CVE-2023-3212)

    * kernel: NULL pointer dereference due to missing kalloc() return value check in     shtp_cl_get_dma_send_buf() (CVE-2023-3358)

    * kernel: tap: tap_open(): correctly initialize socket uid next fix of i_uid to current_fsuid     (CVE-2023-4194)

    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 Red Hat Enterprise Linux 9.3 Release Notes     linked from the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux 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 remote SUSE Linux SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2025:02173-1 advisory.

    The SUSE Linux Enterprise 15 SP5 kernel was updated to receive various security bugfixes.


    The following security bugs were fixed:

    - CVE-2022-49775: tcp: cdg: allow tcp_cdg_release() to be called multiple times (bsc#1242245).
    - CVE-2024-53168: net: make sock_inuse_add() available (bsc#1234887).
    - CVE-2024-56558: nfsd: make sure exp active before svc_export_show (bsc#1235100).
    - CVE-2025-21999: proc: fix UAF in proc_get_inode() (bsc#1240802).
    - CVE-2025-22056: netfilter: nft_tunnel: fix geneve_opt type confusion addition (bsc#1241525).
    - CVE-2025-23145: mptcp: fix NULL pointer in can_accept_new_subflow (bsc#1242596).
    - CVE-2025-37789: net: openvswitch: fix nested key length validation in the set() action (bsc#1242762).
    - CVE-2024-28956: x86/its: Add support for ITS-safe indirect thunk (bsc#1242006).
    - CVE-2025-37785: ext4: fix OOB read when checking dotdot dir (bsc#1241640).


Tenable has extracted the preceding description block directly from the SUSE 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 remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-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 Red Hat Enterprise Linux 8.10 Release Notes     linked from the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

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

ID	Name	Product	Family	Published	Updated	Severity
173854	Amazon Linux 2023 : bpftool, kernel, kernel-devel (ALAS2023-2023-148)	Nessus	Amazon Linux Local Security Checks	4/4/2023	11/11/2025	high
248229	Linux Distros Unpatched Vulnerability : CVE-2023-53070	Nessus	Misc.	8/11/2025	9/30/2025	medium
194262	RHEL 9 : kernel (RHSA-2023:6583)	Nessus	Red Hat Local Security Checks	4/28/2024	10/28/2025	high
241036	SUSE SLES15 Security Update : kernel (SUSE-SU-2025:02173-1)	Nessus	SuSE Local Security Checks	7/1/2025	12/9/2025	medium
197808	RHEL 8 : kernel (RHSA-2024:3138)	Nessus	Red Hat Local Security Checks	5/23/2024	9/29/2025	critical

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