CVE Database›CVE-2023-35823

CVE-2023-35823

kernel: saa7134: race condition leading to use-after-free in saa7134_finidev()

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Severity

Moderate

Red Hat Product Security

6.7

CVSS 3.1

Review impact separately from score.

Published · June 19, 2023

Updated · June 28, 2026

Description

A race condition was found in the Linux kernel's saa7134 device driver. This occurs when removing the module before cleanup in the saa7134_finidev function which can result in a use-after-free issue, possibly leading to a system crash or other undefined behaviors.

Statement

Because this flaw only affects systems with specific hardware installed, and because exploitation requires an attacker to be able to manipulate the driver or the physical hardware with precise timing, Red Hat assesses the impact of this vulnerability as Moderate.

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 · 6.7
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CWE-663 · Use of a Non-reentrant Function in a Concurrent Context