CVE-2026-46212

kernel: batman-adv: bla: prevent use-after-free when deleting claims

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Severity

Moderate

Red Hat Product Security

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CVSS

Review impact separately from score.

Published · May 28, 2026

Updated · October 20, 2026

Description

A flaw was found in the batman-adv component of the Linux kernel. This vulnerability, a use-after-free, occurs during the process of deleting backbone claims. If exploited, this memory corruption issue could allow an attacker to cause a system crash, leading to a denial of service, or potentially execute unauthorized code.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CWE-364 · Signal Handler Race Condition