CVE-2023-35826

kernel: cedrus: race condition leading to use-after-free in cedrus_remove()

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Severity

Moderate

Red Hat Product Security

6.4

CVSS 3.1

Review impact separately from score.

Published · June 19, 2023

Updated · June 26, 2026

Description

A race condition was found in the Linux kernel's Allwinner Cedrus VPU driver when removing the module before cleanup in the cedrus_remove function. This can result in a use-after-free issue, possibly leading to a system crash or other undefined behaviors.

Statement

No Red Hat products are affected by this flaw, as the sunxi-cedrus driver is not included in any shipping kernel release.

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 · 6.4
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

CWE-366 · Race Condition within a Thread