Configuration in grub2 - #VU74056

 

Configuration in grub2 - #VU74056

Published: March 27, 2023


Vulnerability identifier: #VU74056
CSH Severity: Low
CVSS v4: 2 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-16
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The issue may allow a local user to bypass implemented security restrictions.

The issue exists due to the possibility to bypass implemented security restrictions, related to secure boot. it was addressed by rebuilding the package with the new secure boot key.


Affected software

grub2
grub2-debugsource
grub2-debuginfo
grub2-x86_64-efi
grub2-i386-pc
grub2-x86_64-xen
grub2-snapper-plugin
grub2-systemd-sleep-plugin
SUSE Linux Enterprise High Performance Computing 12
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise Server 12 SP2 BCL

Remediation

Install updates from vendor's website.

grub2 - update to 2.02-115.74.1
grub2-debugsource - update to 2.02-115.74.1
grub2-debuginfo - update to 2.02-115.74.1
grub2-x86_64-efi - update to 2.02-115.74.1
grub2-i386-pc - update to 2.02-115.74.1
grub2-x86_64-xen - update to 2.02-115.74.1
grub2-snapper-plugin - update to 2.02-115.74.1
grub2-systemd-sleep-plugin - update to 2.02-115.74.1

External References

Related Security Bulletins