CVE-2026-47334

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.

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/noble/commit/?id=f0e73aec23d13a9877fba096b1c2fd19f66e5313	Patch

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:canonical:ubuntu_linux:24.04:::::::*
	cpe:2.3:o:canonical:ubuntu_linux:25.10:::::::*
	cpe:2.3:o:canonical:ubuntu_linux:26.04:::::::*

History

26 Oct 2026, 13:10

Type	Values Removed	Values Added
Summary		(es) Ubuntu Linux 6.8, 6.17 y 7.0 contienen parches SAUCE de AppArmor que duermen incorrectamente mientras mantienen un spinlock en el código de manejo de notificaciones. El error puede ser activado por un usuario local sin privilegios y puede resultar en pánico del kernel o interbloqueo.

Information

Published : 2026-05-28 19:16

Updated : 2026-10-26 13:10

NVD link : CVE-2026-47334

Mitre link : CVE-2026-47334

CVE.ORG link : CVE-2026-47334

JSON object : View

Products Affected

canonical

ubuntu_linux

CWE

CWE-833

Deadlock

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