CVE-2026-47331 (GCVE-0-2026-47331)

Vulnerability from cvelistv5 – Published: 2026-05-28 18:28 – Updated: 2026-05-29 03:55
VLAI?
Title
Use-after-free in Ubuntu Linux AppArmor notification handling
Summary
Ubuntu Linux 6.8 contains AppArmor SAUCE patches which fail to acquire a lock when modifying a linked list. An unprivileged local user could trigger the race condition that can lead to a use-after-free (UAF) and, theoretically, arbitrary code execution.
CWE
Assigner
Impacted products
Vendor Product Version
Canonical Ubuntu Linux Affected: 6.8.0 , < 6.8.0-124.124 (dpkg)
Create a notification for this product.
Credits
Tristan Madani (@TristanInSec), Talence Security
Show details on NVD website

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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