CVE-2026-47334

Summary

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 Software

VendorProductVersion RangeStatus
CanonicalUbuntu Linux6.8.0 < 6.8.0-124.124affected
CanonicalUbuntu Linux6.17.0 < 6.17.0-35.35affected
CanonicalUbuntu Linux7.0.0 < 7.0.0-22.22affected

Weaknesses

  • CWE-833: CWE-833 Deadlock

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References