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CVE-2026-99044

kernel: ice: fix use-after-free in dynamic port cleanup

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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 29, 2026

Description

A flaw was found in the Linux kernel's ice network driver. During dynamic port cleanup, the driver prematurely frees internal interface memory before removing the port entry, resulting in a use-after-free condition. A local user could exploit this flaw to cause a Denial of Service (DoS) through a system crash or potentially achieve privilege escalation.

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