PT-2026-34991 · Linux+1 · Linux Kernel+1

CVE-2026-31639

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Published

2026-04-08

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Updated

2026-08-20

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 key reference count leak exists in the rxrpc component. When a client call is created in the rxrpc alloc client call() function, a reference to the key is obtained but not cleaned up, leading to a leak when the call is destroyed.
Recommendations Free the call->key variable in the rxrpc destroy call() function.

Exploit

Fix

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Weakness Enumeration

Related Identifiers

AZL-83816
BDU:2026-10912
CVE-2026-31639
USN-8567-1
USN-8574-1
USN-8574-2
USN-8574-3
USN-8595-1
USN-8595-2
USN-8595-3
USN-8596-1
USN-8606-1
USN-8607-1
USN-8608-1
USN-8609-1
USN-8619-1
USN-8665-1

Affected Products

Linux Kernel
Ubuntu