CVE-2021-47530

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.

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/4c3cdbf2540319ea674f1f3c54f31f14c6f39647	Patch
https://git.kernel.org/stable/c/ea0006d390a28012f8187717aea61498b2b341e5	Patch
https://git.kernel.org/stable/c/4c3cdbf2540319ea674f1f3c54f31f14c6f39647	Patch
https://git.kernel.org/stable/c/ea0006d390a28012f8187717aea61498b2b341e5	Patch

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel:5.16:rc1::::::
	cpe:2.3:o:linux:linux_kernel:5.16:rc2::::::
	cpe:2.3:o:linux:linux_kernel:5.16:rc3::::::

History

29 Sep 2025, 17:07

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 5.5
CPE		cpe:2.3:o:linux:linux_kernel:5.16:rc3:::::: cpe:2.3:o:linux:linux_kernel:5.16:rc1:::::: cpe:2.3:o:linux:linux_kernel:5.16:rc2:::::: cpe:2.3:o:linux:linux_kernel::::::::
First Time		Linux Linux linux Kernel
CWE		NVD-CWE-Other
References	~~() https://git.kernel.org/stable/c/4c3cdbf2540319ea674f1f3c54f31f14c6f39647 -~~	() https://git.kernel.org/stable/c/4c3cdbf2540319ea674f1f3c54f31f14c6f39647 - Patch
References	~~() https://git.kernel.org/stable/c/ea0006d390a28012f8187717aea61498b2b341e5 -~~	() https://git.kernel.org/stable/c/ea0006d390a28012f8187717aea61498b2b341e5 - Patch

Information

Published : 2024-05-24 15:15

Updated : 2025-09-29 17:07

NVD link : CVE-2021-47530

Mitre link : CVE-2021-47530

CVE.ORG link : CVE-2021-47530

JSON object : View

Products Affected

linux

linux_kernel

CWE

NVD-CWE-Other

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