CVE-2024-27044: drm/amd/display: Fix potential NULL pointer dereferences in 'dcn10_set_output_transfer_func()'

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-05-01 · updated 2026-06-17
Weakness: CWE-476

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix potential NULL pointer dereferences in 'dcn10_set_output_transfer_func()' The 'stream' pointer is used in dcn10_set_output_transfer_func() before the check if 'stream' is NULL. Fixes the below: drivers/gpu/drm/amd/amdgpu/../display/dc/hwss/dcn10/dcn10_hwseq.c:1892 dcn10_set_output_transfer_func() warn: variable dereferenced before check 'stream' (see line 1875)

Affected products

Debian Linux: 10.0
Linux kernel: from 5.4 before 5.4.273; from 5.5 before 5.10.214; from 5.11 before 5.15.153; from 5.16 before 6.1.83; from 6.2 before 6.6.23; from 6.7 before 6.7.11 — fixed in 5.10.214, 5.15.153, 5.4.273, 6.1.83, 6.6.23, 6.7.11

How to fix

Upgrade to a fixed version: Linux kernel 5.10.214, 5.15.153, 5.4.273, 6.1.83. Check the vendor advisory for mitigations.

References

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