apparmor: fix potential UAF in aa_replace_profiles

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-80619
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-28 08:16:45 UTC
Updated2026-08-29 07:16:46 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: apparmor: fix potential UAF in aa_replace_profiles The function aa_replace_profiles was accessing udata->size after calling aa_put_loaddata(udata), causing a potential UAF. Fixed this by saving the size to a local variable before dropping the reference.

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: 0.001760000 probability, percentile 0.072350000 (date 2026-08-28)

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 5ac8c355ae0013d82b3a07b49aebeadfce9b6e52 9d8e47cbce7536f19c96e37d0685a042010187ee git Not specified
CNA Linux Linux affected 5ac8c355ae0013d82b3a07b49aebeadfce9b6e52 9d37dc6376e336dc4b4f39a7ad0d069aa70e9495 git Not specified
CNA Linux Linux affected 5ac8c355ae0013d82b3a07b49aebeadfce9b6e52 c0f3a3fda617beeec58708720304dd026a1a4dd7 git Not specified
CNA Linux Linux affected 5ac8c355ae0013d82b3a07b49aebeadfce9b6e52 5cba148eae6e8550c2889f5c0f94d72bed864321 git Not specified
CNA Linux Linux affected 5ac8c355ae0013d82b3a07b49aebeadfce9b6e52 c44de0880b7ccc15c70a6352b5e107677d32b061 git Not specified
CNA Linux Linux affected 5ac8c355ae0013d82b3a07b49aebeadfce9b6e52 57b1bd4486d56254bb8af1a8f3d4445bbe505290 git Not specified
CNA Linux Linux affected 5ac8c355ae0013d82b3a07b49aebeadfce9b6e52 dd5f1202f45a2dbe2c7dd10093f5c6bb2d8ac5bb git Not specified
CNA Linux Linux affected 5ac8c355ae0013d82b3a07b49aebeadfce9b6e52 7b42f95813dc9ceb6bda35afcf914630909a19f9 git Not specified
CNA Linux Linux affected 4.11 Not specified
CNA Linux Linux unaffected 4.11 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/c0f3a3fda617beeec58708720304dd026a1a4dd7 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/c44de0880b7ccc15c70a6352b5e107677d32b061 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/7b42f95813dc9ceb6bda35afcf914630909a19f9 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/5cba148eae6e8550c2889f5c0f94d72bed864321 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/dd5f1202f45a2dbe2c7dd10093f5c6bb2d8ac5bb 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/9d8e47cbce7536f19c96e37d0685a042010187ee 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/9d37dc6376e336dc4b4f39a7ad0d069aa70e9495 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/57b1bd4486d56254bb8af1a8f3d4445bbe505290 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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