CVE-2024-27041

MediumCVSS 5.5/10Last modified Oct 30, 2026

Description

In the Linux kernel, the following vulnerability has been resolved:

drm/amd/display: fix NULL checks for adev->dm.dc in amdgpu_dm_fini()

Since 'adev->dm.dc' in amdgpu_dm_fini() might turn out to be NULL before the call to dc_enable_dmub_notifications(), check beforehand to ensure there will not be a possible NULL-ptr-deref there.

Also, since commit 1e88eb1b2c25 ("drm/amd/display: Drop CONFIG_DRM_AMD_DC_HDCP") there are two separate checks for NULL in 'adev->dm.dc' before dc_deinit_callbacks() and dc_dmub_srv_destroy(). Clean up by combining them all under one 'if'.

Found by Linux Verification Center (linuxtesting.org) with static analysis tool SVACE.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-476

Affected software

VendorProductVersions
LinuxLinux>= 81927e2808be5adace93c2012d45d6938d3a7aa0, < cef0f2fe65ccee638e48fd5c1d590a3c0539acdd; >= 81927e2808be5adace93c2012d45d6938d3a7aa0, < e040f1fbe9abae91b12b074cfc3bbb5367b79811; >= 81927e2808be5adace93c2012d45d6938d3a7aa0, < ca2eb375db76fd50f31afdd67d6ca4f833254957; >= 81927e2808be5adace93c2012d45d6938d3a7aa0, < 1c62697e4086de988b31124fb8c79c244ea05f2b; >= 81927e2808be5adace93c2012d45d6938d3a7aa0, < 2a3cfb9a24a28da9cc13d2c525a76548865e182c
LinuxLinux5.14

References

Timeline

Published
May 1, 2024
Last modified
Oct 30, 2026
NVD status
Modified

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CVE-2024-27041: Medium severity, CVSS 5.5 | Vulnix