PT-2026-64353 · Linux+1 · Linux Kernel+1

CVE-2026-64238

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Published

2026-07-24

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Updated

2026-09-07

CVSS v3.1

5.5

Medium

VectorAV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)
Description A deadlock can occur during the removal of a shared GPIO proxy's parent. This issue stems from an excessively wide critical section using a mutex embedded in the gpio shared entry structure to protect the offset field, which can be modified after assignment.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Improper Locking

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Weakness Enumeration

Related Identifiers

CVE-2026-64238
USN-8618-1
USN-8663-1
USN-8664-1
USN-8728-1

Affected Products

Linux Kernel
Ubuntu