CVE-2024-35786
kernel: drm/nouveau: fix stale locked mutex in nouveau_gem_ioctl_pushbuf
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · May 17, 2024
Updated · November 21, 2025
Description
In the Linux kernel, the following vulnerability has been resolved:
drm/nouveau: fix stale locked mutex in nouveau_gem_ioctl_pushbuf
If VM_BIND is enabled on the client the legacy submission ioctl can't be used, however if a client tries to do so regardless it will return an error. In this case the clients mutex remained unlocked leading to a deadlock inside nouveau_drm_postclose or any other nouveau ioctl call.
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 not specified