CVE-2026-80619

Summary

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.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux5ac8c355ae0013d82b3a07b49aebeadfce9b6e52 < 9d8e47cbce7536f19c96e37d0685a042010187eeaffected
LinuxLinux5ac8c355ae0013d82b3a07b49aebeadfce9b6e52 < 9d37dc6376e336dc4b4f39a7ad0d069aa70e9495affected
LinuxLinux5ac8c355ae0013d82b3a07b49aebeadfce9b6e52 < c0f3a3fda617beeec58708720304dd026a1a4dd7affected
LinuxLinux5ac8c355ae0013d82b3a07b49aebeadfce9b6e52 < 5cba148eae6e8550c2889f5c0f94d72bed864321affected
LinuxLinux5ac8c355ae0013d82b3a07b49aebeadfce9b6e52 < c44de0880b7ccc15c70a6352b5e107677d32b061affected
LinuxLinux5ac8c355ae0013d82b3a07b49aebeadfce9b6e52 < 57b1bd4486d56254bb8af1a8f3d4445bbe505290affected
LinuxLinux5ac8c355ae0013d82b3a07b49aebeadfce9b6e52 < dd5f1202f45a2dbe2c7dd10093f5c6bb2d8ac5bbaffected
LinuxLinux5ac8c355ae0013d82b3a07b49aebeadfce9b6e52 < 7b42f95813dc9ceb6bda35afcf914630909a19f9affected
LinuxLinux4.11affected
LinuxLinux0 < 4.11unaffected
LinuxLinux5.10.261 <= 5.10.*unaffected
LinuxLinux5.15.212 <= 5.15.*unaffected
LinuxLinux6.1.178 <= 6.1.*unaffected
LinuxLinux6.6.145 <= 6.6.*unaffected
LinuxLinux6.12.97 <= 6.12.*unaffected
LinuxLinux6.18.40 <= 6.18.*unaffected
LinuxLinux7.1.5 <= 7.1.*unaffected
LinuxLinux7.2 <= *unaffected

Weaknesses

References