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CVE-2026-80619

HIGHCVSS 7.8/10EPSS 0.18%

Last modified

CVE-2026-80619 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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.. EPSS estimates a 0.18% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
7.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
0.18%

7.2th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
LinuxLinux>= 5ac8c355ae0013d82b3a07b49aebeadfce9b6e52, < 9d8e47cbce7536f19c96e37d0685a042010187ee; >= 5ac8c355ae0013d82b3a07b49aebeadfce9b6e52, < 9d37dc6376e336dc4b4f39a7ad0d069aa70e9495; >= 5ac8c355ae0013d82b3a07b49aebeadfce9b6e52, < c0f3a3fda617beeec58708720304dd026a1a4dd7; >= 5ac8c355ae0013d82b3a07b49aebeadfce9b6e52, < 5cba148eae6e8550c2889f5c0f94d72bed864321; >= 5ac8c355ae0013d82b3a07b49aebeadfce9b6e52, < c44de0880b7ccc15c70a6352b5e107677d32b061; >= 5ac8c355ae0013d82b3a07b49aebeadfce9b6e52, < 57b1bd4486d56254bb8af1a8f3d4445bbe505290; >= 5ac8c355ae0013d82b3a07b49aebeadfce9b6e52, < dd5f1202f45a2dbe2c7dd10093f5c6bb2d8ac5bb; >= 5ac8c355ae0013d82b3a07b49aebeadfce9b6e52, < 7b42f95813dc9ceb6bda35afcf914630909a19f9
LinuxLinux4.11

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is CVE-2026-80619?
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.
How severe is CVE-2026-80619?
CVE-2026-80619 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.18% probability of exploitation in the next 30 days.
How do I fix CVE-2026-80619?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST