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CVE-2026-98895

kernel: net/mlx5: HWS, Handle destroying table that has a miss table

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Severity

Moderate

Red Hat Product Security

4.4

CVSS 3.1

Review impact separately from score.

Published · October 23, 2026

Updated · October 27, 2026

Description

A flaw was found in the Linux kernel's mlx5 network driver. When destroying a hardware steering table configured with a default miss table, the driver fails to remove the entry from the associated miss table tracking list, leaving behind an invalid pointer. A local privileged user could exploit this vulnerability during table cleanup to cause memory corruption, potentially leading to a Denial of Service (DoS) via a system crash.

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 · 4.4
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

CWE-825 · Expired Pointer Dereference