CVE-2026-31643

kernel: rxrpc: Fix key parsing memleak

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Severity

Low

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · April 24, 2026

Updated · June 28, 2026

Description

A flaw was found in the Linux kernel's rxrpc subsystem. During key parsing, a memory leak can occur in certain error paths. This vulnerability could allow a local or remote attacker to cause a denial of service by exhausting system memory.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-772 · Missing Release of Resource after Effective Lifetime