CVE-2026-80619 - Vulnerability Details

- apparmor: fix potential UAF in aa_replace_profiles

Description

In 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.

Published: 2026-08-28

Score: n/a

EPSS: n/a

KEV: No

Impact:

Action:

Analysis

No analysis available yet.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Linux

unaffected

Version	Status	Constraints
`5ac8c355ae0013d82b3a07b49aebeadfce9b6e52`	affected	< 9d8e47cbce7536f19c96e37d0685a042010187ee
`5ac8c355ae0013d82b3a07b49aebeadfce9b6e52`	affected	< 9d37dc6376e336dc4b4f39a7ad0d069aa70e9495
`5ac8c355ae0013d82b3a07b49aebeadfce9b6e52`	affected	< c0f3a3fda617beeec58708720304dd026a1a4dd7
`5ac8c355ae0013d82b3a07b49aebeadfce9b6e52`	affected	< 5cba148eae6e8550c2889f5c0f94d72bed864321
`5ac8c355ae0013d82b3a07b49aebeadfce9b6e52`	affected	< c44de0880b7ccc15c70a6352b5e107677d32b061
`5ac8c355ae0013d82b3a07b49aebeadfce9b6e52`	affected	< 57b1bd4486d56254bb8af1a8f3d4445bbe505290
`5ac8c355ae0013d82b3a07b49aebeadfce9b6e52`	affected	< dd5f1202f45a2dbe2c7dd10093f5c6bb2d8ac5bb
`5ac8c355ae0013d82b3a07b49aebeadfce9b6e52`	affected	< 7b42f95813dc9ceb6bda35afcf914630909a19f9

Linux

affected

Version	Status	Constraints
`4.11`	affected	—
`0`	unaffected	< 4.11
`5.10.261`	unaffected	≤ 5.10.*
`5.15.212`	unaffected	≤ 5.15.*
`6.1.178`	unaffected	≤ 6.1.*
`6.6.145`	unaffected	≤ 6.6.*
`6.12.97`	unaffected	≤ 6.12.*
`6.18.40`	unaffected	≤ 6.18.*
`7.1.5`	unaffected	≤ 7.1.*
`7.2`	unaffected	≤ *

No data.

Vendor Product Confidence Versions

Linux

Linux Kernel

99%

Version	Status	Scheme	Platform
`[5ac8c355ae0013d82b3a07b49aebeadfce9b6e52,9d8e47cbce7536f19c96e37d0685a042010187ee)`	affected	code_commit	—
`[5ac8c355ae0013d82b3a07b49aebeadfce9b6e52,9d37dc6376e336dc4b4f39a7ad0d069aa70e9495)`	affected	code_commit	—
`[5ac8c355ae0013d82b3a07b49aebeadfce9b6e52,c0f3a3fda617beeec58708720304dd026a1a4dd7)`	affected	code_commit	—
`[5ac8c355ae0013d82b3a07b49aebeadfce9b6e52,5cba148eae6e8550c2889f5c0f94d72bed864321)`	affected	code_commit	—
`[5ac8c355ae0013d82b3a07b49aebeadfce9b6e52,c44de0880b7ccc15c70a6352b5e107677d32b061)`	affected	code_commit	—
`[5ac8c355ae0013d82b3a07b49aebeadfce9b6e52,57b1bd4486d56254bb8af1a8f3d4445bbe505290)`	affected	code_commit	—
`[5ac8c355ae0013d82b3a07b49aebeadfce9b6e52,dd5f1202f45a2dbe2c7dd10093f5c6bb2d8ac5bb)`	affected	code_commit	—
`[5ac8c355ae0013d82b3a07b49aebeadfce9b6e52,7b42f95813dc9ceb6bda35afcf914630909a19f9)`	affected	code_commit	—

Linux

Linux Kernel

99%

Version	Status	Scheme	Platform
`4.11`	affected	generic	—
`[0,4.11)`	unaffected	generic	—
`[5.10.261,5.11.0)`	unaffected	semver	—
`[5.15.212,5.16.0)`	unaffected	semver	—
`[6.1.178,6.2.0)`	unaffected	semver	—
`[6.6.145,6.7.0)`	unaffected	semver	—
`[6.12.97,6.13.0)`	unaffected	semver	—
`[6.18.40,6.19.0)`	unaffected	semver	—
`[7.1.5,7.2.0)`	unaffected	semver	—
`[7.2,*]`	unaffected	generic	—

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Remediation

No remediation available yet.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://git.kernel.org/stable/c/57b1bd4486d56254bb8af1a8f3d4445bbe505290
https://git.kernel.org/stable/c/5cba148eae6e8550c2889f5c0f94d72bed864321
https://git.kernel.org/stable/c/7b42f95813dc9ceb6bda35afcf914630909a19f9
https://git.kernel.org/stable/c/9d37dc6376e336dc4b4f39a7ad0d069aa70e9495
https://git.kernel.org/stable/c/9d8e47cbce7536f19c96e37d0685a042010187ee
https://git.kernel.org/stable/c/c0f3a3fda617beeec58708720304dd026a1a4dd7
https://git.kernel.org/stable/c/c44de0880b7ccc15c70a6352b5e107677d32b061
https://git.kernel.org/stable/c/dd5f1202f45a2dbe2c7dd10093f5c6bb2d8ac5bb

History

Fri, 28 Aug 2026 07:30:00 +0000

Type	Values Removed	Values Added
Description		In 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.
Title		apparmor: fix potential UAF in aa_replace_profiles
First Time appeared		Linux Linux linux Kernel
CPEs		cpe:2.3:o:linux:linux_kernel::::::::
Vendors & Products		Linux Linux linux Kernel
References		https://git.kernel.org/stable/c/57b1bd4486d56254bb8af1a8f3d4445bbe505290 https://git.kernel.org/stable/c/5cba148eae6e8550c2889f5c0f94d72bed864321 https://git.kernel.org/stable/c/7b42f95813dc9ceb6bda35afcf914630909a19f9 https://git.kernel.org/stable/c/9d37dc6376e336dc4b4f39a7ad0d069aa70e9495 https://git.kernel.org/stable/c/9d8e47cbce7536f19c96e37d0685a042010187ee https://git.kernel.org/stable/c/c0f3a3fda617beeec58708720304dd026a1a4dd7 https://git.kernel.org/stable/c/c44de0880b7ccc15c70a6352b5e107677d32b061 https://git.kernel.org/stable/c/dd5f1202f45a2dbe2c7dd10093f5c6bb2d8ac5bb

Subscriptions

Linux Linux Kernel

MITRE

Status: PUBLISHED

Assigner: Linux

Published: 2026-08-28T06:48:38.702Z

Updated: 2026-08-28T06:48:38.702Z

Reserved: 2026-08-26T14:34:25.774Z

Link: CVE-2026-80619

Vulnrichment

No data.

NVD

Status : Received

Published: 2026-08-28T08:16:45.950

Modified: 2026-08-28T08:16:45.950

Link: CVE-2026-80619

Redhat

No data.

OpenCVE Enrichment

Updated: 2026-08-28T10:00:06Z

Weaknesses

No weakness.

Tracking

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