apparmor: fail policy unpack on accept2 allocation failure

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Summary

CVECVE-2026-72457
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-15 06:22:19 UTC
Updated2026-08-17 06:19:13 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: apparmor: fail policy unpack on accept2 allocation failure unpack_pdb() may need to allocate a missing ACCEPT2 table for older policy data. If that allocation failed, it set an error message but jumped to the success path, returning a policydb with the required table missing. Return -ENOMEM through the normal failure path when the ACCEPT2 allocation fails. Remove the now-unused out label.

Risk And Classification

EPSS: 0.002060000 probability, percentile 0.110220000 (date 2026-08-17)

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 2e12c5f060176ede209673e4f63ea5d0e3c5814c 22dc9433d458cff1270f120685114a9753e0ad1b git Not specified
CNA Linux Linux affected 2e12c5f060176ede209673e4f63ea5d0e3c5814c 106e909e12baf059538f0b0f1a59f87781d25b3c git Not specified
CNA Linux Linux affected 2e12c5f060176ede209673e4f63ea5d0e3c5814c 45cf568241048e560a81aa2053f06a62069f5640 git Not specified
CNA Linux Linux affected 6.17 Not specified
CNA Linux Linux unaffected 6.17 semver Not specified
CNA Linux Linux unaffected 6.18.40 6.18.* semver Not specified
CNA Linux Linux unaffected 7.1.5 7.1.* semver Not specified
CNA Linux Linux unaffected 7.2 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/106e909e12baf059538f0b0f1a59f87781d25b3c 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/22dc9433d458cff1270f120685114a9753e0ad1b 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/45cf568241048e560a81aa2053f06a62069f5640 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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