DSA-5519-1 grub2 -- security update

Related Vulnerabilities: CVE-2023-4692   CVE-2023-4693  

Maxim Suhanov discovered multiple vulnerabilities in GURB2's code to handle NTFS filesystems, which may result in a Secure Boot bypass. For the oldstable distribution (bullseye), these problems have been fixed in version 2.06-3~deb11u6. For the stable distribution (bookworm), these problems have been fixed in version 2.06-13+deb12u1. We recommend that you upgrade your grub2 packages. For the detailed security status of grub2 please refer to its security tracker page at: https://security-tracker.debian.org/tracker/grub2

Debian Security Advisory

DSA-5519-1 grub2 -- security update

Date Reported:
06 Oct 2023
Affected Packages:
grub2
Vulnerable:
Yes
Security database references:
In Mitre's CVE dictionary: CVE-2023-4692, CVE-2023-4693.
More information:

Maxim Suhanov discovered multiple vulnerabilities in GURB2's code to handle NTFS filesystems, which may result in a Secure Boot bypass.

For the oldstable distribution (bullseye), these problems have been fixed in version 2.06-3~deb11u6.

For the stable distribution (bookworm), these problems have been fixed in version 2.06-13+deb12u1.

We recommend that you upgrade your grub2 packages.

For the detailed security status of grub2 please refer to its security tracker page at: https://security-tracker.debian.org/tracker/grub2