CVE-2021-47431
drm/amdgpu: fix gart.bo pin_count leak
Description
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix gart.bo pin_count leak gmc_v{9,10}_0_gart_disable() isn't called matched with correspoding gart_enbale function in SRIOV case. This will lead to gart.bo pin_count leak on driver unload.
INFO
Published Date :
May 21, 2024, 3:15 p.m.
Last Modified :
Sept. 23, 2025, 8:25 p.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update the affected packages.
- Reboot the system if required.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-47431.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-47431 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-47431
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-47431 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-47431 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Sep. 23, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Added CWE NVD-CWE-Other Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:5.15:rc2:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.15:rc3:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.15:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.2 up to (excluding) 5.4.154 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.14.13 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.5 up to (excluding) 5.10.74 Added Reference Type kernel.org: https://git.kernel.org/stable/c/18d1c5ea3798ba42cfa0f8b2264d873463facb03 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/621ddffb70db824eabd63d18ac635180fe9500f9 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/66805763a97f8f7bdf742fc0851d85c02ed9411f Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/83d857d6b0967b6709cd38750c3ce2ed8ced1a95 Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/18d1c5ea3798ba42cfa0f8b2264d873463facb03 Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/83d857d6b0967b6709cd38750c3ce2ed8ced1a95 Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/66805763a97f8f7bdf742fc0851d85c02ed9411f Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/621ddffb70db824eabd63d18ac635180fe9500f9 Types: Patch -
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://git.kernel.org/stable/c/18d1c5ea3798ba42cfa0f8b2264d873463facb03 Added Reference https://git.kernel.org/stable/c/621ddffb70db824eabd63d18ac635180fe9500f9 Added Reference https://git.kernel.org/stable/c/66805763a97f8f7bdf742fc0851d85c02ed9411f Added Reference https://git.kernel.org/stable/c/83d857d6b0967b6709cd38750c3ce2ed8ced1a95 -
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 28, 2024
Action Type Old Value New Value -
CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 21, 2024
Action Type Old Value New Value Added Description In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix gart.bo pin_count leak gmc_v{9,10}_0_gart_disable() isn't called matched with correspoding gart_enbale function in SRIOV case. This will lead to gart.bo pin_count leak on driver unload. Added Reference kernel.org https://git.kernel.org/stable/c/83d857d6b0967b6709cd38750c3ce2ed8ced1a95 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/621ddffb70db824eabd63d18ac635180fe9500f9 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/18d1c5ea3798ba42cfa0f8b2264d873463facb03 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/66805763a97f8f7bdf742fc0851d85c02ed9411f [No types assigned]