CVE-2024-56778
kernel: drm/sti: avoid potential dereference of error pointers in sti_hqvdp_atomic_check
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · January 8, 2025
Updated · November 21, 2025
Description
In the Linux kernel, the following vulnerability has been resolved:
drm/sti: avoid potential dereference of error pointers in sti_hqvdp_atomic_check
The return value of drm_atomic_get_crtc_state() needs to be checked. To avoid use of error pointer 'crtc_state' in case of the failure.
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-754 · Improper Check for Unusual or Exceptional Conditions