apparmor: aa_label_alloc use aa_label_free on alloc failure

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-72459
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: aa_label_alloc use aa_label_free on alloc failure aa_label_alloc() allocates a secid before allocating or taking the label proxy. If the later proxy step fails, the error path only freed the label memory, leaking any resources initialized by aa_label_init(). Use aa_label_free() on the failure path so partially initialized labels release their secid and other label resources before the backing memory is freed.

Risk And Classification

Primary CVSS: v3.1 7.8 HIGH from 416baaa9-dc9f-4396-8d5f-8c081fb06d67

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.001380000 probability, percentile 0.037070000 (date 2026-08-17)

VersionSourceTypeScoreSeverityVector
3.1416baaa9-dc9f-4396-8d5f-8c081fb06d67Secondary7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1CNADECLARED7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected f1bd904175e8190ce14aedee37e207ab51fe3b30 b14fbacad77d64594228983ec20d61a224f3f491 git Not specified
CNA Linux Linux affected f1bd904175e8190ce14aedee37e207ab51fe3b30 b5a9da5d36162d34db0f36abb15420e295176793 git Not specified
CNA Linux Linux affected f1bd904175e8190ce14aedee37e207ab51fe3b30 7cb69e109610bba500e1ecb870f7988a4717208a git Not specified
CNA Linux Linux affected f1bd904175e8190ce14aedee37e207ab51fe3b30 cc2192899d502e3321e60cf1e91421e7309d089c git Not specified
CNA Linux Linux affected f1bd904175e8190ce14aedee37e207ab51fe3b30 bf310b044e85d4de670c94295c5d8e4c5bc5e7bc git Not specified
CNA Linux Linux affected f1bd904175e8190ce14aedee37e207ab51fe3b30 ae02e603c0b39b29f3ce6fe3efe01b286af1a2a4 git Not specified
CNA Linux Linux affected f1bd904175e8190ce14aedee37e207ab51fe3b30 6d91479174240f39e9edea250d95fa08c678a207 git Not specified
CNA Linux Linux affected f1bd904175e8190ce14aedee37e207ab51fe3b30 654fe7505dc6889724d4094fa64f89991afabfc3 git Not specified
CNA Linux Linux affected 4.13 Not specified
CNA Linux Linux unaffected 4.13 semver Not specified
CNA Linux Linux unaffected 5.10.261 5.10.* semver Not specified
CNA Linux Linux unaffected 5.15.212 5.15.* semver Not specified
CNA Linux Linux unaffected 6.1.178 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.145 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.97 6.12.* 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/6d91479174240f39e9edea250d95fa08c678a207 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/cc2192899d502e3321e60cf1e91421e7309d089c 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/654fe7505dc6889724d4094fa64f89991afabfc3 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/7cb69e109610bba500e1ecb870f7988a4717208a 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/ae02e603c0b39b29f3ce6fe3efe01b286af1a2a4 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/b14fbacad77d64594228983ec20d61a224f3f491 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/bf310b044e85d4de670c94295c5d8e4c5bc5e7bc 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/b5a9da5d36162d34db0f36abb15420e295176793 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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