CVE-2020-26541

Medium

The Linux kernel through 5.8.13 does not properly enforce the Secure Boot Forbidden Signature Database (aka dbx) protection mechanism. This affects certs/blacklist.c and certs/system_keyring.c.

Package Linux Kernel
Published 2020-10-02
Last modified 2024-11-21
CVSS version 3.1
Patch available
Awaiting data

CVSS 3.1 score

6.5

out of 10
Medium
Attack Vector
Local
Attack Complexity
Low
Privileges Required
High
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Vector string
CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H

References

The following references provide additional information about CVE-2020-26541 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Frequently asked questions

  • What is CVE-2020-26541?

    CVE-2020-26541 is a Medium severity Linux kernel vulnerability with a CVSS score of 6.5 out of 10 . CVE-2020-26541 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2020-26541?

    CVE-2020-26541 has a CVSS score of 6.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H .

  • Is there a patch available for CVE-2020-26541?

    No patch is currently available for CVE-2020-26541. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

  • Is CVE-2020-26541 actively exploited?

    No — CVE-2020-26541 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.