What is CVE-2021-47530?

CVE-2021-47530 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10. CVE-2021-47530 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2021-47530?

CVE-2021-47530 has a CVSS score of 5.5 out of 10, rated Medium severity. 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-2021-47530?

No patch is currently available for CVE-2021-47530. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2021-47530 actively exploited?

CVE-2021-47530 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2021-47530

Medium

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.

Package Linux Kernel

Published 2024-05-24

Last modified 2025-09-29

CVSS version 3.1

Patch available

Awaiting data

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

References

The following references provide additional information about CVE-2021-47530 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Kernel patch commit
https://git.kernel.org/stable/c/4c3cdbf2540319ea674f1f3c54f31f14c6f39647
Patch
Kernel patch commit
https://git.kernel.org/stable/c/ea0006d390a28012f8187717aea61498b2b341e5
Patch

Details

CVE ID CVE-2021-47530

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2024-05-24

Modified 2025-09-29

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2021-47530?

CVE-2021-47530 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . CVE-2021-47530 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2021-47530?

CVE-2021-47530 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-2021-47530?

No patch is currently available for CVE-2021-47530. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2021-47530 actively exploited?

No — CVE-2021-47530 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.