What’s Vulnerable › Vulnerabilities
CVE-2026-47334: Deadlock or kernel panic in Ubuntu Linux AppArmor notification handling
- Severity: medium (CVSS 5.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.1% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-05-28 · updated 2026-10-26
- Weakness: CWE-833
Description
Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly sleep while holding a spinlock in notification handling code. The bug can be triggered by an unprivileged local user and can result in kernel panic or deadlock.
Affected products
- Canonical Ubuntu Linux: 24.04, 25.10, 26.04
References
Get alerted when CVE-2026-47334 or the next vulnerability affects your stack