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.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Canonical Ubuntu Linux unaffected
Version Status Constraints
6.8.0 affected < 6.8.0-124.124
6.17.0 affected < 6.17.0-35.35
7.0.0 affected < 7.0.0-22.22

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No data.

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Project Subscriptions

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Advisories

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Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/noble/commit/?id=f0e73aec23d13a9877fba096b1c2fd19f66e5313 cve-icon cve-icon
History

Thu, 28 May 2026 20:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Thu, 28 May 2026 19:00:00 +0000

Type Values Removed Values Added
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.
Title Deadlock or kernel panic in Ubuntu Linux AppArmor notification handling
Weaknesses CWE-833
References
Metrics cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: canonical

Published:

Updated: 2026-05-28T19:23:51.066Z

Reserved: 2026-05-19T10:37:36.433Z

Link: CVE-2026-47334

cve-icon Vulnrichment

Updated: 2026-05-28T19:23:45.474Z

cve-icon NVD

Status : Received

Published: 2026-05-28T19:16:42.203

Modified: 2026-05-28T19:16:42.203

Link: CVE-2026-47334

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-28T20:30:25Z

Weaknesses