CVE-2022-28735

Published: Jul 20, 2023Modified: Jun 17, 2026

7.8

Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitability: 1.8 / Impact: 5.9

Source: NVD

Description

The GRUB2's shim_lock verifier allows non-kernel files to be loaded on shim-powered secure boot systems. Allowing such files to be loaded may lead to unverified code and modules to be loaded in GRUB2 breaking the secure boot trust-chain.

Affected (1)

Products: Gnu: Grub2

Gnu

1 product

Grub2

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Gnu Grub2	From 2.00 to 2.06-3

References (6)

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28735

Source: security@ubuntu.com

Third Party Advisory

https://security.netapp.com/advisory/ntap-20230825-0002/

Source: security@ubuntu.com

https://www.openwall.com/lists/oss-security/2022/06/07/5

Source: security@ubuntu.com

Mailing ListThird Party Advisory

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28735

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

https://security.netapp.com/advisory/ntap-20230825-0002/

Source: af854a3a-2127-422b-91ae-364da2661108

https://www.openwall.com/lists/oss-security/2022/06/07/5

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing ListThird Party Advisory

Timeline

No history available yet.