CVE-2020-26541

MEDIUM
6.5
CVSS Score
Published: October 2, 2020 at 06:14 PM UTC
Updated: June 17, 2026 at 03:08 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.5%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ 5.8.13

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_MISCExploitVendor Advisory
https://lkml.org/lkml/2020/9/15/1871

CVSS

6.5MEDIUMmitre
Attack Vector
LOCAL
Complexity
LOW
Privileges
HIGH
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-Other

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