CVE-2023-35823
kernel: saa7134: race condition leading to use-after-free in saa7134_finidev()
Severity
ModerateRed Hat Product Security
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 · 6.7CVSS: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