CVE-2026-89599
kernel: fbdev: omapfb: panel-dsi-cm: initialize lock before registering display
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · September 11, 2026
Updated · September 29, 2026
Description
A flaw was found in the Linux kernel's fbdev: omapfb: panel-dsi-cm component. The dsicm_probe() function registers a display before its associated lock (mutex) is properly initialized. This timing issue allows another process to attempt to acquire the uninitialized mutex, which could lead to system instability or a Denial of Service (DoS).
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-908 · Use of Uninitialized Resource