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CVE-2026-80619

HighCVSS 7.8/10Last modified Aug 29, 2026

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.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

Vendor	Product	Versions
Linux	Linux	>= 5ac8c355ae0013d82b3a07b49aebeadfce9b6e52, < 9d8e47cbce7536f19c96e37d0685a042010187ee; >= 5ac8c355ae0013d82b3a07b49aebeadfce9b6e52, < 9d37dc6376e336dc4b4f39a7ad0d069aa70e9495; >= 5ac8c355ae0013d82b3a07b49aebeadfce9b6e52, < c0f3a3fda617beeec58708720304dd026a1a4dd7; >= 5ac8c355ae0013d82b3a07b49aebeadfce9b6e52, < 5cba148eae6e8550c2889f5c0f94d72bed864321; >= 5ac8c355ae0013d82b3a07b49aebeadfce9b6e52, < c44de0880b7ccc15c70a6352b5e107677d32b061; >= 5ac8c355ae0013d82b3a07b49aebeadfce9b6e52, < 57b1bd4486d56254bb8af1a8f3d4445bbe505290; >= 5ac8c355ae0013d82b3a07b49aebeadfce9b6e52, < dd5f1202f45a2dbe2c7dd10093f5c6bb2d8ac5bb; >= 5ac8c355ae0013d82b3a07b49aebeadfce9b6e52, < 7b42f95813dc9ceb6bda35afcf914630909a19f9
Linux	Linux	4.11

References

Timeline

Published: Aug 28, 2026
Last modified: Aug 29, 2026
NVD status: Received

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CVE-2026-80619: High severity, CVSS 7.8 | Vulnix