What is CVE-2021-26934?

CVE-2021-26934 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10. CVE-2021-26934 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2021-26934?

CVE-2021-26934 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-2021-26934?

No patch is currently available for CVE-2021-26934. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2021-26934 actively exploited?

CVE-2021-26934 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2021-26934

High

An issue was discovered in the Linux kernel 4.18 through 5.10.16, as used by Xen. The backend allocation (aka be-alloc) mode of the drm_xen_front drivers was not meant to be a supported configuration, but this wasn't stated accordingly in its support status entry.

Package Linux Kernel

Published 2021-02-17

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

References

The following references provide additional information about CVE-2021-26934 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Lists
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4GELN5E6MDR5KQBJF5M5COUUED3YFZTD/
Lists
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EOAJBVAVR6RSCUCHNXPVSNRPSFM7INMP/
Security
https://security.netapp.com/advisory/ntap-20210326-0001/

Third Party Advisory
Kernel patch commit
http://xenbits.xen.org/xsa/advisory-363.html
Patch

Details

CVE ID CVE-2021-26934

Severity High

CVSS score 7.8 / 10

CVSS version 3.1

Published 2021-02-17

Modified 2024-11-21

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2021-26934?

CVE-2021-26934 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 . CVE-2021-26934 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2021-26934?

CVE-2021-26934 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-2021-26934?

No patch is currently available for CVE-2021-26934. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2021-26934 actively exploited?

No — CVE-2021-26934 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.