CVE-2026-80619
apparmor: fix potential UAF in aa_replace_profiles
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.
INFO
Published Date :
Aug. 28, 2026, 8:16 a.m.
Last Modified :
Aug. 28, 2026, 8:16 a.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Solution
- Update the Linux kernel to the fixed version.
- Apply the vendor-supplied patch.
- Review kernel memory management practices.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-80619.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-80619 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-80619
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-80619 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-80619 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Aug. 28, 2026
Action Type Old Value New Value Added 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. Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/80xxx/CVE-2026-80619.json">CVE-2026-80619</a> Added Reference https://git.kernel.org/stable/c/57b1bd4486d56254bb8af1a8f3d4445bbe505290 Added Reference https://git.kernel.org/stable/c/5cba148eae6e8550c2889f5c0f94d72bed864321 Added Reference https://git.kernel.org/stable/c/7b42f95813dc9ceb6bda35afcf914630909a19f9 Added Reference https://git.kernel.org/stable/c/9d37dc6376e336dc4b4f39a7ad0d069aa70e9495 Added Reference https://git.kernel.org/stable/c/9d8e47cbce7536f19c96e37d0685a042010187ee Added Reference https://git.kernel.org/stable/c/c0f3a3fda617beeec58708720304dd026a1a4dd7 Added Reference https://git.kernel.org/stable/c/c44de0880b7ccc15c70a6352b5e107677d32b061 Added Reference https://git.kernel.org/stable/c/dd5f1202f45a2dbe2c7dd10093f5c6bb2d8ac5bb