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CVE-2024-27041 Detail

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

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CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

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Hyperlink Resource
https://git.kernel.org/stable/c/1c62697e4086de988b31124fb8c79c244ea05f2b
https://git.kernel.org/stable/c/2a3cfb9a24a28da9cc13d2c525a76548865e182c
https://git.kernel.org/stable/c/ca2eb375db76fd50f31afdd67d6ca4f833254957
https://git.kernel.org/stable/c/e040f1fbe9abae91b12b074cfc3bbb5367b79811

Weakness Enumeration

CWE-ID CWE Name Source

Change History

3 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2024-27041
NVD Published Date:
05/01/2024
NVD Last Modified:
05/01/2024
Source:
kernel.org