What’s Vulnerable › Vulnerabilities

CVE-2026-80619: apparmor: fix potential UAF in aa_replace_profiles

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-28 · updated 2026-08-29

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.

Affected products

• Linux kernel: 4.11 — fixed in 7.2

How to fix

Upgrade to a fixed version: Linux kernel 7.2. Check the vendor advisory for mitigations.

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

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