CVE-2023-4692 · cross-distro fix matrix

CVE-2023-4692: An out-of-bounds write flaw was found in grub2's NTFS filesystem driver. This issue may allow an attacker to present a specially crafted NTFS filesystem image, leading to grub's heap metadata corruption. In some circumstances, the attack may also corrupt the UEFI firmware heap metadata. As a result,

Affects 3 Linux releases across 3 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2023-4692 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

grub2→ fixed in2.06-3~deb11u6urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y grub2
```

Debian bookworm

Source: Debian Security Tracker

grub2→ fixed in2.06-13+deb12u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y grub2
```

Debian trixie

Source: Debian Security Tracker

grub2→ fixed in2.12~rc1-11urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y grub2
```

Are YOU affected by CVE-2023-4692?

5-second check on your actual server. Reads /etc/os-release, uname -r, and the distro's package manager; matches against this same cross-source index live.

curl https://mindsparkstack.com/scan.sh | bash

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