What is CVE-2020-26541?

CVE-2020-26541 is a medium-severity vulnerability in Linux Kernel. CVSS score: 6.5/10. Published 2020-10-02.

How severe is CVE-2020-26541?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Is CVE-2020-26541 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Linux Kernel

CVE-2020-26541

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.

EPSS: 0.005 (42.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H.

Affected products

Linux Linux_kernel
N/a — versions n/a

Public proof-of-concept exploits

ARPSyndicate/cvemon

References

cve@mitre.org (Exploit, x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2020-26541?: CVE-2020-26541 is a medium-severity vulnerability in Linux Kernel. CVSS score: 6.5/10. Published 2020-10-02.
How severe is CVE-2020-26541?: Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2020-26541 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.