What’s Vulnerable › Vulnerabilities

CVE-2024-26648: drm/amd/display: Fix variable deferencing before NULL check in edp_setup_replay()

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-03-26 · updated 2026-06-17
• Weakness: CWE-476

Description

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)

Affected products

• Linux kernel: before 6.6.15; from 6.7 before 6.7.3 — fixed in 6.6.15, 6.7.3

How to fix

Upgrade to a fixed version: Linux kernel 6.6.15, 6.7.3. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/22ae604aea14756954e1c00ae653e34d2afd2935
• https://git.kernel.org/stable/c/7073934f5d73f8b53308963cee36f0d389ea857c
• https://git.kernel.org/stable/c/c02d257c654191ecda1dc1af6875d527e85310e7
• https://git.kernel.org/stable/c/22ae604aea14756954e1c00ae653e34d2afd2935
• https://git.kernel.org/stable/c/7073934f5d73f8b53308963cee36f0d389ea857c
• https://git.kernel.org/stable/c/c02d257c654191ecda1dc1af6875d527e85310e7

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