What is CVE-2021-47381?

CVE-2021-47381 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10. CVE-2021-47381 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2021-47381?

CVE-2021-47381 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:H/I:N/A:N.

Is there a patch available for CVE-2021-47381?

No patch is currently available for CVE-2021-47381. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2021-47381 actively exploited?

CVE-2021-47381 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2021-47381

Medium

In the Linux kernel, the following vulnerability has been resolved: ASoC: SOF: Fix DSP oops stack dump output contents Fix @buf arg given to hex_dump_to_buffer() and stack address used in dump error output.

Package Linux Kernel

Published 2024-05-21

Last modified 2025-09-25

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

High

Integrity

None

Availability

None

Vector string

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

Weakness type

CWE-209

CVE-2021-47381 is classified as CWE-209

See CWE-209 on MITRE CWE for full details on this weakness type.

References

The following references provide additional information about CVE-2021-47381 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/a6bb576ead074ca6fa3b53cb1c5d4037a23de81b
Patch
Kernel patch commit
https://git.kernel.org/stable/c/ac4dfccb96571ca03af7cac64b7a0b2952c97f3a
Patch

Details

CVE ID CVE-2021-47381

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2024-05-21

Modified 2025-09-25

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2021-47381?

CVE-2021-47381 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . CVE-2021-47381 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2021-47381?

CVE-2021-47381 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:H/I:N/A:N.
Is there a patch available for CVE-2021-47381?

No patch is currently available for CVE-2021-47381. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2021-47381 actively exploited?

No — CVE-2021-47381 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.