CVE-2021-47431

Medium

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.

Package Linux Kernel
Published 2024-05-21
Last modified 2025-09-23
CVSS version 3.1
Patch available
Yes

CVSS 3.1 score

5.5

out of 10
Medium
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
High
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected versions

Linux kernel versions 4.2 and later are affected. Fixed in 5.4.154, 5.10.74, 5.14.13, 5.15 and their respective stable series.

Affected from
≥ 4.2
Fixed in
✓ 5.4.154 5.4.x ✓ 5.10.74 5.10.x ✓ 5.14.13 5.14.x ✓ 5.15

References

4 total

Frequently asked questions

  • What is CVE-2021-47431?

    CVE-2021-47431 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 4.2 onward and has been patched in 5.4.154, 5.10.74, 5.14.13 and others. CVE-2021-47431 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2021-47431?

    CVE-2021-47431 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H .

  • Is there a patch available for CVE-2021-47431?

    Yes. CVE-2021-47431 has been patched. Fixed versions include 5.4.154, 5.10.74, 5.14.13 and others. If you are running Linux kernel 4.2 or later up to the fix versions, apply the relevant patch for your kernel branch.

  • Is CVE-2021-47431 actively exploited?

    No. CVE-2021-47431 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

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