CVE-2021-47530

Name: CVE-2021-47530
Creator: NVD / NIST
Published: 2024-05-24T15:15:16.147+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.21%

Last modified Jun 17, 2026

CVE-2021-47530 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. In the Linux kernel, the following vulnerability has been resolved: drm/msm: Fix wait_fence submitqueue leak We weren't dropping the submitqueue reference in all paths. In particular, when the fence has already been signalled. EPSS estimates a 0.21% chance of exploitation in the next 30 days.

Description

In the Linux kernel, the following vulnerability has been resolved: drm/msm: Fix wait_fence submitqueue leak We weren't dropping the submitqueue reference in all paths. In particular, when the fence has already been signalled. Split out a helper to simplify handling this in the various different return paths.

Metrics

CVSS 3.1

5.5/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.21%

10.6th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions	Update
Linux	Linux Kernel	>= 5.15, < 5.15.7	—
Linux	Linux Kernel	5.16	Rc1

References

Timeline

Published: May 24, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2021-47530?

How severe is CVE-2021-47530?

CVE-2021-47530 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.21% probability of exploitation in the next 30 days.

How do I fix CVE-2021-47530?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-47530?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST