CVE-2026-80619
High
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.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Linux
PublishedAug 28, 2026
First seenAug 28, 2026
How to fix
Update
- Linux Linux9d8e47cbce7536f19c96e37d0685a042010187ee, 9d37dc6376e336dc4b4f39a7ad0d069aa70e9495, c0f3a3fda617beeec58708720304dd026a1a4dd7, 5cba148eae6e8550c2889f5c0f94d72bed864321, c44de0880b7ccc15c70a6352b5e107677d32b061, 57b1bd4486d56254bb8af1a8f3d4445bbe505290, dd5f1202f45a2dbe2c7dd10093f5c6bb2d8ac5bb, 7b42f95813dc9ceb6bda35afcf914630909a19f9 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | 5ac8c355ae0013d82b3a07b49aebeadfce9b6e52 ≤ v < 9d8e47cbce7536f19c96e37d0685a042010187ee, 5ac8c355ae0013d82b3a07b49aebeadfce9b6e52 ≤ v < 9d37dc6376e336dc4b4f39a7ad0d069aa70e9495, 5ac8c355ae0013d82b3a07b49aebeadfce9b6e52 ≤ v < c0f3a3fda617beeec58708720304dd026a1a4dd7, 5ac8c355ae0013d82b3a07b49aebeadfce9b6e52 ≤ v < 5cba148eae6e8550c2889f5c0f94d72bed864321, 5ac8c355ae0013d82b3a07b49aebeadfce9b6e52 ≤ v < c44de0880b7ccc15c70a6352b5e107677d32b061, 5ac8c355ae0013d82b3a07b49aebeadfce9b6e52 ≤ v < 57b1bd4486d56254bb8af1a8f3d4445bbe505290, 5ac8c355ae0013d82b3a07b49aebeadfce9b6e52 ≤ v < dd5f1202f45a2dbe2c7dd10093f5c6bb2d8ac5bb, 5ac8c355ae0013d82b3a07b49aebeadfce9b6e52 ≤ v < 7b42f95813dc9ceb6bda35afcf914630909a19f9, 4.11 | 9d8e47cbce7536f19c96e37d0685a042010187ee, 9d37dc6376e336dc4b4f39a7ad0d069aa70e9495, c0f3a3fda617beeec58708720304dd026a1a4dd7, 5cba148eae6e8550c2889f5c0f94d72bed864321, c44de0880b7ccc15c70a6352b5e107677d32b061, 57b1bd4486d56254bb8af1a8f3d4445bbe505290, dd5f1202f45a2dbe2c7dd10093f5c6bb2d8ac5bb, 7b42f95813dc9ceb6bda35afcf914630909a19f9 |
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