| Name | CVE-2023-4693 |
| Description | An out-of-bounds read flaw was found on grub2's NTFS filesystem driver. This issue may allow a physically present attacker to present a specially crafted NTFS file system image to read arbitrary memory locations. A successful attack allows sensitive data cached in memory or EFI variable values to be leaked, presenting a high Confidentiality risk. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-3605-1, DSA-5519-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| grub2 (PTS) | buster | 2.06-3~deb10u1 | vulnerable |
| buster (security) | 2.06-3~deb10u4 | fixed | |
| bullseye | 2.06-3~deb11u5 | vulnerable | |
| bullseye (security) | 2.06-3~deb11u6 | fixed | |
| bookworm | 2.06-13 | vulnerable | |
| bookworm (security) | 2.06-13+deb12u1 | fixed | |
| trixie | 2.06-13+deb13u1 | vulnerable | |
| sid | 2.12~rc1-12 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| grub2 | source | buster | 2.06-3~deb10u4 | DLA-3605-1 | ||
| grub2 | source | bullseye | 2.06-3~deb11u6 | DSA-5519-1 | ||
| grub2 | source | bookworm | 2.06-13+deb12u1 | DSA-5519-1 | ||
| grub2 | source | (unstable) | 2.12~rc1-11 |
https://lists.gnu.org/archive/html/grub-devel/2023-10/msg00028.html
https://lore.kernel.org/all/ZRxK8s4nQV2jBq%2F9@tomti.i.net-space.pl/