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Ubuntu Linux CVE-2026-47336

| EUVD-2026-32991 LOW
Use of Uninitialized Variable (CWE-457)
2026-05-28 canonical
3.3
CVSS 3.1

CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None

Lifecycle Timeline

1
Analysis Generated
May 28, 2026 - 19:20 vuln.today

DescriptionNVD

Ubuntu Linux 6.8 contains SAUCE patches with a possible use of an uninitialized variable in AppArmor AF_INET/AF_INET6 socket mediation code. The bug can be triggered by an unprivileged local user and could result in incorrect fine-grained mediation of network sockets.

AnalysisAI

Uninitialized variable use in Ubuntu Linux 6.8's AppArmor AF_INET/AF_INET6 socket mediation code allows an authenticated local user to cause incorrect enforcement of fine-grained network socket access controls. The flaw resides in Ubuntu-specific SAUCE patches layered on top of the mainline Linux 6.8 kernel, meaning it is not present in upstream distributions. …

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CVE-2026-47336 vulnerability details – vuln.today

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