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CVE PROGRAM SOURCE RECORD5.5 Medium

CVE-2026-47334

Deadlock or kernel panic in Ubuntu Linux AppArmor notification handling

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Status
Published
Published
Updated
Assigning organization
canonical

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

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Canonical Ubuntu Linux

Default version status: unaffected

  • 6.8.0 to < 6.8.0-124.124affected
  • 6.17.0 to < 6.17.0-35.35affected
  • 7.0.0 to < 7.0.0-22.22affected

References