apparmor: fix NULL pointer dereference in unpack_pdb

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-72458
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: fix NULL pointer dereference in unpack_pdb pdb->dfa could be NULL if unpack_dfa fails, causing a NULL pointer dereference.

Risk And Classification

EPSS: 0.001980000 probability, percentile 0.099060000 (date 2026-08-17)

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 2e12c5f060176ede209673e4f63ea5d0e3c5814c fbfdb5a94a48797bea232791e24c38f3aa3063c8 git Not specified
CNA Linux Linux affected 2e12c5f060176ede209673e4f63ea5d0e3c5814c 73d86ca950b80cd39ca948e2c518d135bf2308c8 git Not specified
CNA Linux Linux affected 2e12c5f060176ede209673e4f63ea5d0e3c5814c 7681ca43d2b1c776e62fe77e3167835fb1ab8319 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/73d86ca950b80cd39ca948e2c518d135bf2308c8 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/fbfdb5a94a48797bea232791e24c38f3aa3063c8 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/7681ca43d2b1c776e62fe77e3167835fb1ab8319 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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