CVE-2026-80619apparmor: fix potential UAF in aa_replace_profiles
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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.
- CVSS
- 7.8 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Linux
- NVD analysis
- Received
- Record last updated
- Aug 29, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Linux Linux linux:linux (from the name) | from 5ac8c355ae0013d82b3a07b49aebeadfce9b6e52 before 9d8e47cbce7536f19c96e37d0685a042010187ee; from 5ac8c355ae0013d82b3a07b49aebeadfce9b6e52 before 9d37dc6376e336dc4b4f39a7ad0d069aa70e9495; from 5ac8c355ae0013d82b3a07b49aebeadfce9b6e52 before c0f3a3fda617beeec58708720304dd026a1a4dd7; from 5ac8c355ae0013d82b3a07b49aebeadfce9b6e52 before 5cba148eae6e8550c2889f5c0f94d72bed864321; from 5ac8c355ae0013d82b3a07b49aebeadfce9b6e52 before c44de0880b7ccc15c70a6352b5e107677d32b061; from 5ac8c355ae0013d82b3a07b49aebeadfce9b6e52 before 57b1bd4486d56254bb8af1a8f3d4445bbe505290; from 5ac8c355ae0013d82b3a07b49aebeadfce9b6e52 before dd5f1202f45a2dbe2c7dd10093f5c6bb2d8ac5bb; from 5ac8c355ae0013d82b3a07b49aebeadfce9b6e52 before 7b42f95813dc9ceb6bda35afcf914630909a19f9 | CNA record |
References
- https://git.kernel.org/stable/c/9d8e47cbce7536f19c96e37d0685a042010187ee
- https://git.kernel.org/stable/c/9d37dc6376e336dc4b4f39a7ad0d069aa70e9495
- https://git.kernel.org/stable/c/c0f3a3fda617beeec58708720304dd026a1a4dd7
- https://git.kernel.org/stable/c/5cba148eae6e8550c2889f5c0f94d72bed864321
- https://git.kernel.org/stable/c/c44de0880b7ccc15c70a6352b5e107677d32b061
- https://git.kernel.org/stable/c/57b1bd4486d56254bb8af1a8f3d4445bbe505290
- https://git.kernel.org/stable/c/dd5f1202f45a2dbe2c7dd10093f5c6bb2d8ac5bb
- https://git.kernel.org/stable/c/7b42f95813dc9ceb6bda35afcf914630909a19f9
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.