CVE-2026-89872
kernel: media: v4l2-fwnode: Fix fwnode leak in v4l2_fwnode_parse_link
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · September 16, 2026
Updated · September 30, 2026
Description
A flaw was found in the Linux kernel's v4l2-fwnode media subsystem. A local attacker or a malicious application could exploit this by failing to properly release a fwnode reference in the v4l2_fwnode_parse_link function. This resource leak could lead to system instability or a denial of service (DoS), making the system unresponsive or unavailable.
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-772 · Missing Release of Resource after Effective Lifetime