An update of the linux package has been released.

The AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1792751700 advisory.

  - In the Linux kernel, the following vulnerability has been resolved: ipv6: Fix signed integer overflow in     l2tp_ip6_sendmsg When len >= INT_MAX - transhdrlen, ulen = len + transhdrlen will be overflow. To fix, we     can follow what udpv6 does and subtract the transhdrlen from the max. (CVE-2022-49727)

  - In the Linux kernel, the following vulnerability has been resolved: bpf: Fix accesses to uninit stack     slots Privileged programs are supposed to be able to read uninitialized stack memory (ever since     6715df8d5) but, before this patch, these accesses were permitted inconsistently. In particular, accesses     were permitted above state->allocated_stack, but not below it. In other words, if the stack was already     large enough, the access was permitted, but otherwise the access was rejected instead of being allowed     to grow the stack. This undesired rejection was happening in two places: - in     check_stack_slot_within_bounds() - in check_stack_range_initialized() This patch arranges for these     accesses to be permitted. A bunch of tests that were relying on the old rejection had to change; all of     them were changed to add also run unprivileged, in which case the old behavior persists. One tests     couldn't be updated - global_func16 - because it can't run unprivileged for other reasons. This patch also     fixes the tracking of the stack size for variable-offset reads. This second fix is bundled in the same     commit as the first one because they're inter-related. Before this patch, writes to the stack using     registers containing a variable offset (as opposed to registers with fixed, known values) were not     properly contributing to the function's needed stack size. As a result, it was possible for a program to     verify, but then to attempt to read out-of-bounds data at runtime because a too small stack had been     allocated for it. Each function tracks the size of the stack it needs in bpf_subprog_info.stack_depth,     which is maintained by update_stack_depth(). For regular memory accesses, check_mem_access() was calling     update_state_depth() but it was passing in only the fixed part of the offset register, ignoring the     variable offset. This was incorrect; the minimum possible value of that register should be used instead.
    This tracking is now fixed by centralizing the tracking of stack size in grow_stack_state(), and by     lifting the calls to grow_stack_state() to check_stack_access_within_bounds() as suggested by Andrii. The     code is now simpler and more convincingly tracks the correct maximum stack size.
    check_stack_range_initialized() can now rely on enough stack having been allocated for the access; this     helps with the fix for the first issue. A few tests were changed to also check the stack depth     computation. The one that fails without this patch is verifier_var_off:stack_write_priv_vs_unpriv.
    (CVE-2023-52452)

  - In the Linux kernel, the following vulnerability has been resolved: qed/qed_sriov: guard against NULL     derefs from qed_iov_get_vf_info We have to make sure that the info returned by the helper is valid before     using it. Found by Linux Verification Center (linuxtesting.org) with the SVACE static analysis tool.
    (CVE-2023-53066)

  - In the Linux kernel, the following vulnerability has been resolved: SUNRPC: Fix a server shutdown leak Fix     a race where kthread_stop() may prevent the threadfn from ever getting called. If that happens the     svc_rqst will not be cleaned up. (CVE-2023-53131)

  - In the Linux kernel, the following vulnerability has been resolved: pstore/ram: Add check for kstrdup Add     check for the return value of kstrdup() and return the error if it fails in order to avoid NULL pointer     dereference. (CVE-2023-54189)

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

ID	名前	製品	ファミリー	公開日	更新日	深刻度
375014	Photon OS 5.0: Linux PHSA-2026-5.0-92-1014	Nessus	PhotonOS Local Security Checks	2026/11/2	2026/11/2	high
371223	AlmaLinux 9.2 [TuxCare] Security Update: bpftool / kernel / kernel-64k / kernel-64k-core / kernel-64k-debug / etc Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2026:1792751700)	Nessus	Alma Linux Local Security Checks	2026/10/23	2026/10/23	high

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