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CVE-2026-90346

kernel: wifi: nl80211: clean up color-change beacon data on errors

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Severity

Low

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · September 17, 2026

Updated · October 6, 2026

Description

A flaw was found in the Linux kernel's nl80211 Wi-Fi subsystem. This vulnerability allows for a memory leak during the processing of color-change beacon data. Specifically, a parsing failure can occur without proper cleanup of allocated memory. This can lead to resource exhaustion, potentially enabling a remote attacker to cause a Denial of Service (DoS).

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