CVE-2026-99006 Affecting kernel-livepatch-6.12.113-138.209 package, versions <1:1.0-0.amzn2023
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-AMZN2023-KERNELLIVEPATCH612113138209-21810817
- published29 Oct 2026
- disclosed23 Oct 2026
Introduced: 23 Oct 2026
NewCVE-2026-99006 (opens in a new tab)How to fix?
Upgrade Amazon-Linux:2023 kernel-livepatch-6.12.113-138.209 to version 1:1.0-0.amzn2023 or higher.
This issue was patched in ALAS2023-2026-3335.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-livepatch-6.12.113-138.209 package and not the kernel-livepatch-6.12.113-138.209 package as distributed by Amazon-Linux.
See How to fix? for Amazon-Linux:2023 relevant fixed versions and status.
In the Linux kernel, the following vulnerability has been resolved:
drm/i915/gem: Prevent overstepping exec array boundary
It is possible for eb_relocate_parse_slow() to call kvfree() on entries outside the original exec array during following scenario inside eb_relocate_parse_slow():
- eb_copy_relocations() allocates as many as eb->buffer_count copies for exec entries;
- eb_parse() appends up to two VMAs, right after incrementing eb->buffer_count;
- cleanup under "out" label uses this incremented buffer_count to release relocation pointers from exec array via kvfree(), not from VMA array.
To amend this problem, ensure that relocation cleanup uses the original exec object count, excluding the VMAs appended by the command parser.
(cherry picked from commit 2a0158925fb943c7ba8f3216e2734952128defc9)
References
- http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-99006
- https://git.kernel.org/stable/c/152fb5083b9333a1cb8629572f9e0f276a404ba6
- https://git.kernel.org/stable/c/24c04e80c35ff36947366f6deafddb522eea080c
- https://git.kernel.org/stable/c/72d5cbb10d4916a3f8ef9da516c5c0634aca8439
- https://git.kernel.org/stable/c/b1c357131fc467c579f65e9a9d1fdc1a6273ae1d
- https://git.kernel.org/stable/c/ebe162db655881a38de43301151ff7ac940602b5