What is CVE-2021-47051?

CVE-2021-47051 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, affecting Linux kernel versions from 5.2 onward and patched in 5.4.119, 5.10.37, 5.11.21 and others. CVE-2021-47051 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2021-47051?

CVE-2021-47051 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-2021-47051?

Yes, CVE-2021-47051 has been patched. Fixed versions include 5.4.119, 5.10.37, 5.11.21 and others. If you are running Linux kernel 5.2 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2021-47051 actively exploited?

CVE-2021-47051 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2021-47051

Medium

In the Linux kernel, the following vulnerability has been resolved: spi: fsl-lpspi: Fix PM reference leak in lpspi_prepare_xfer_hardware() pm_runtime_get_sync will increment pm usage counter even it failed. Forgetting to putting operation will result in reference leak here. Fix it by replacing it with pm_runtime_resume_and_get to keep usage counter balanced.

Package Linux Kernel

Published 2024-02-28

Last modified 2024-12-09

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 5.2 and later are affected. Fixed in 5.4.119, 5.10.37, 5.11.21, 5.12.4, 5.13 and their respective stable series.

Affected from

≥ 5.2

Fixed in

✓ 5.4.119 5.4.x ✓ 5.10.37 5.10.x ✓ 5.11.21 5.11.x ✓ 5.12.4 5.12.x ✓ 5.13

References

5 total

Kernel Git
https://git.kernel.org/stable/c/4a01ad002d2e03c399af536562693752af7c81b1

Patch
Kernel Git
https://git.kernel.org/stable/c/6a2b5cee0d31ab6cc51030c441135b0e31217282

Patch
Kernel Git
https://git.kernel.org/stable/c/a03675497970a93fcf25d81d9d92a59c2d7377a7

Patch
Kernel Git
https://git.kernel.org/stable/c/b8207bfc539cd07d15e753ff2d179c5b61c673b1

Patch
Kernel Git
https://git.kernel.org/stable/c/ce02e58ddf8658a4c3bed2296f32a5873b3f7cce

Patch

Details

CVE ID CVE-2021-47051

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2024-02-28

Modified 2024-12-09

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2021-47051?

CVE-2021-47051 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 5.2 onward and has been patched in 5.4.119, 5.10.37, 5.11.21 and others. CVE-2021-47051 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2021-47051?

CVE-2021-47051 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-2021-47051?

Yes. CVE-2021-47051 has been patched. Fixed versions include 5.4.119, 5.10.37, 5.11.21 and others. If you are running Linux kernel 5.2 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2021-47051 actively exploited?

No. CVE-2021-47051 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.