CVEvulnerability
CVE-2020-26541
6.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2020-10-02
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
- CVSS 3.1 ([email protected])
- 6.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 6.9 MEDIUM — AV:L/AC:M/Au:N/C:C/I:C/A:C
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 configurations
• linux linux kernel (<= 5.8.13)
References
- https://lkml.org/lkml/2020/9/15/1871 Exploit, Vendor Advisory
- https://lkml.org/lkml/2020/9/15/1871 Exploit, Vendor Advisory