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.
References (1)
Core 1
Core References
Exploit, Vendor Advisory x_refsource_misc
https://lkml.org/lkml/2020/9/15/1871
Scores
CVSS v3
6.5
EPSS
0.0053
EPSS Percentile
41.8%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
Details
Status
published
Products (1)
linux/linux_kernel
< 5.8.13
Published
Oct 02, 2020
Tracked Since
Feb 18, 2026