NULL pointer dereference in Linux

CVE-2024-26648

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix variable deferencing before NULL check in edp_setup_replay() In edp_setup_replay(), 'struct dc *dc' & 'struct dmub_replay *replay' was dereferenced before the pointer 'link' & 'replay' NULL check. Fixes the below: drivers/gpu/drm/amd/amdgpu/../display/dc/link/protocols/link_edp_panel_control.c:947 edp_setup_replay() warn: variable dereferenced before check 'link' (see line 933)

EPSS: 0.002 (13.2th 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

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-26648?
CVE-2024-26648 is a medium-severity vulnerability in Linux, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2024-03-26.
How severe is CVE-2024-26648?
Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2024-26648 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.