CVE-2026-47333 — Out-of-bounds read in Ubuntu Linux AppArmor notification handling

CVE-2026-47333

Out-of-bounds read in Ubuntu Linux AppArmor notification handling PUBLISHED

Description (CNA)

Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which can potentially incorrectly compute the size of an internal buffer, leading to a heap memory out-of-bounds read in notification handling code. The bug can be triggered by an unprivileged local user and can result in invalid data being processed by the AppArmor DFA policy engine.

Affected (CNA)

Vendor / product	Versions
Canonical / Ubuntu Linux	affected 6.8.0 before 6.8.0-124.124; affected 6.17.0 before 6.17.0-35.35; affected 7.0.0 before 7.0.0-22.22

CWE

CWE-125

References

https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/noble/commit/?id=635fa30ed9e944bdb7e811fb8a8906286b4b4f06

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.