CVE-2026-63972

kernel: net: mana: Skip redundant detach on already-detached port

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Severity

Moderate

Red Hat Product Security

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CVSS

Review impact separately from score.

Published · July 19, 2026

Updated · October 20, 2026

Description

A flaw was found in the Linux kernel's mana network driver. An issue arises when the driver attempts a redundant detach operation on an already-detached network port. This can cause a null pointer dereference, leading to a system crash and a Denial of Service (DoS).

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CWE-476 · NULL Pointer Dereference