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CVE-2021-47253 Detail

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix potential memory leak in DMUB hw_init [Why] On resume we perform DMUB hw_init which allocates memory: dm_resume->dm_dmub_hw_init->dc_dmub_srv_create->kzalloc That results in memory leak in suspend/resume scenarios. [How] Allocate memory for the DC wrapper to DMUB only if it was not allocated before. No need to reallocate it on suspend/resume.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
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/9e8c2af010463197315fa54a6c17e74988b5259c
https://git.kernel.org/stable/c/9e8c2af010463197315fa54a6c17e74988b5259c
https://git.kernel.org/stable/c/aa000f828e60ac15d6340f606ec4a673966f5b0b
https://git.kernel.org/stable/c/aa000f828e60ac15d6340f606ec4a673966f5b0b
https://git.kernel.org/stable/c/c5699e2d863f58221044efdc3fa712dd32d55cde
https://git.kernel.org/stable/c/c5699e2d863f58221044efdc3fa712dd32d55cde

Weakness Enumeration

CWE-ID CWE Name Source

Change History

3 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-47253
NVD Published Date:
05/21/2024
NVD Last Modified:
11/21/2024
Source:
kernel.org