CVE-2026-80619

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.

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