What is CVE-2021-28952?

CVE-2021-28952 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10. CVE-2021-28952 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2021-28952?

CVE-2021-28952 has a CVSS score of 7.8 out of 10, rated High severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Is there a patch available for CVE-2021-28952?

No patch is currently available for CVE-2021-28952. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2021-28952 actively exploited?

CVE-2021-28952 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2021-28952

High

An issue was discovered in the Linux kernel through 5.11.8. The sound/soc/qcom/sdm845.c soundwire device driver has a buffer overflow when an unexpected port ID number is encountered, aka CID-1c668e1c0a0f. (This has been fixed in 5.12-rc4.)

Package Linux Kernel

Published 2021-03-20

Last modified 2024-11-21

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

7.8

out of 10

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Vector string

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

Weakness type

CWE-120

CVE-2021-28952 is classified as CWE-120

See CWE-120 on MITRE CWE for full details on this weakness type.

References

The following references provide additional information about CVE-2021-28952 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Details

CVE ID CVE-2021-28952

Severity High

CVSS score 7.8 / 10

CVSS version 3.1

Published 2021-03-20

Modified 2024-11-21

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2021-28952?

CVE-2021-28952 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 . CVE-2021-28952 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2021-28952?

CVE-2021-28952 has a CVSS score of 7.8 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Is there a patch available for CVE-2021-28952?

No patch is currently available for CVE-2021-28952. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2021-28952 actively exploited?

No — CVE-2021-28952 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.