What is CVE-2024-56776?

CVE-2024-56776 is a medium-severity vulnerability in Linux, classified under Improper Check for Unusual or Exceptional Conditions. CVSS score: 5.5/10. Published 2025-01-08.

How severe is CVE-2024-56776?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Is CVE-2024-56776 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Linux

CVE-2024-56776

In the Linux kernel, the following vulnerability has been resolved: drm/sti: avoid potential dereference of error pointers 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.

EPSS: 0.002 (10.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Linux — versions dd86dc2f9ae1102f46115be1f1422265c15540f1, 4.6, 0
Linux Linux_kernel

Weakness classification (CWE)

CWE-754 — Improper Check for Unusual or Exceptional Conditions

Public proof-of-concept exploits

w4zu/Debian_

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
af854a3a-2127-422b-91ae-364da2661108

Frequently asked questions

What is CVE-2024-56776?: CVE-2024-56776 is a medium-severity vulnerability in Linux, classified under Improper Check for Unusual or Exceptional Conditions. CVSS score: 5.5/10. Published 2025-01-08.
How severe is CVE-2024-56776?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2024-56776 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.