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CVE-2024-49915 Detail

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Add NULL check for clk_mgr in dcn32_init_hw This commit addresses a potential null pointer dereference issue in the `dcn32_init_hw` function. The issue could occur when `dc->clk_mgr` is null. The fix adds a check to ensure `dc->clk_mgr` is not null before accessing its functions. This prevents a potential null pointer dereference. Reported by smatch: drivers/gpu/drm/amd/amdgpu/../display/dc/hwss/dcn32/dcn32_hwseq.c:961 dcn32_init_hw() error: we previously assumed 'dc->clk_mgr' could be null (see line 782)


Metrics

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CVSS 4.0 Severity and Vector Strings:

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

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://git.kernel.org/stable/c/7d1854c86d02cea8f8a0c0ca05f4ab14292baf3d Patch 
https://git.kernel.org/stable/c/c395fd47d1565bd67671f45cca281b3acc2c31ef Patch 
https://git.kernel.org/stable/c/ec1be3c527b4a5fc85bcc1b0be7cec08bf60c796
https://git.kernel.org/stable/c/f0454b3cb0584a6bf275aeb49be61a760fd546a2 Patch 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-476 NULL Pointer Dereference cwe source acceptance level NIST  

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Change History

3 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2024-49915
NVD Published Date:
10/21/2024
NVD Last Modified:
12/09/2024
Source:
kernel.org