High Severity GRUB Vulnerabilities Affecting Secure Boot on Gentoo Systems
Summary
Multiple vulnerabilities have been discovered in GRUB. Please review the
CVE identifiers referenced below for details.
Resolution
All GRUB users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=sys-boot/grub-2.06-r9"
References
[ 1 ] CVE-2022-2601
https://nvd.nist.gov/vuln/detail/CVE-2022-2601
[ 2 ] CVE-2022-3775
https://nvd.nist.gov/vuln/detail/CVE-2022-3775
[ 3 ] CVE-2023-4692
https://nvd.nist.gov/vuln/detail/CVE-2023-4692
[ 4 ] CVE-2023-4693
https://nvd.nist.gov/vuln/detail/CVE-2023-4693
Availability
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/202311-14
Concerns
Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users' machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
https://bugs.gentoo.org.
![Dist Gentoo](/images/distros/dist-gentoo.png)
Background
GNU GRUB is a multiboot boot loader used by most Linux systems.
Affected Packages
Package Vulnerable Unaffected
------------- ------------ ------------
sys-boot/grub < 2.06-r9 >= 2.06-r9
Impact
Please review the referenced CVE identifiers for details.
Workaround
There is no known workaround at this time.