What is CVE-2021-28950?

CVE-2021-28950 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10. CVE-2021-28950 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2021-28950?

CVE-2021-28950 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-2021-28950?

No patch is currently available for CVE-2021-28950. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2021-28950 actively exploited?

CVE-2021-28950 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2021-28950

Medium

An issue was discovered in fs/fuse/fuse_i.h in the Linux kernel before 5.11.8. A "stall on CPU" can occur because a retry loop continually finds the same bad inode, aka CID-775c5033a0d1.

Package Linux Kernel

Published 2021-03-20

Last modified 2024-11-21

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

Weakness type

CWE-834

CVE-2021-28950 is classified as CWE-834

See CWE-834 on MITRE CWE for full details on this weakness type.

References

The following references provide additional information about CVE-2021-28950 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Debian Security
https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html

Mailing List Third Party Advisory
Debian Security
https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html

Mailing List Third Party Advisory
Lists
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FB6LUXPEIRLZH32YXWZVEZAD4ZL6SDK2/
Lists
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QRTPQE73ANG7D6M4L4PK5ZQDPO4Y2FVD/
Debian Security
https://www.debian.org/security/2022/dsa-5096

Third Party Advisory
Kernel patch commit
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.8
Patch
Kernel patch commit
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=775c5033a0d164622d9d10dd0f0a5531639ed3ed
Patch

Details

CVE ID CVE-2021-28950

Severity Medium

CVSS score 5.5 / 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-2021-28950?

CVE-2021-28950 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . CVE-2021-28950 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2021-28950?

CVE-2021-28950 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-2021-28950?

No patch is currently available for CVE-2021-28950. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2021-28950 actively exploited?

No — CVE-2021-28950 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.