CVE-2026-43189
kernel: media: v4l2-async: Fix error handling on steps after finding a match
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · May 6, 2026
Updated · June 28, 2026
Description
A flaw was found in the v4l2-async component of the Linux kernel. Improper error handling during asynchronous video device matching can lead to a null pointer dereference. This issue could allow a local attacker to trigger a system crash, resulting in a Denial of Service (DoS).
Statement
Red Hat acknowledges the upstream Linux kernel correction for «media» as described in COMMENT_ZERO. Fixes are delivered through standard kernel errata for supported products. Operational exposure depends on whether this subsystem or driver is active in your configuration.
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 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-476 · NULL Pointer Dereference