| Name | CVE-2023-6121 |
| Description | An out-of-bounds read vulnerability was found in the NVMe-oF/TCP subsystem in the Linux kernel. This flaw allows a remote attacker to send a crafted TCP packet, triggering a heap-based buffer overflow that results in kmalloc data to be printed (and potentially leaked) to the kernel ring buffer (dmesg). |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| linux (PTS) | buster | 4.19.249-2 | vulnerable |
| buster (security) | 4.19.289-2 | vulnerable | |
| bullseye | 5.10.197-1 | vulnerable | |
| bullseye (security) | 5.10.191-1 | vulnerable | |
| bookworm | 6.1.55-1 | vulnerable | |
| bookworm (security) | 6.1.52-1 | vulnerable | |
| sid, trixie | 6.5.10-1 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| linux | source | (unstable) | (unfixed) |
https://lore.kernel.org/linux-nvme/b58a2dc6-cc8f-4d19-9efe-e1d5b4505efc@nvidia.com/T/
https://lore.kernel.org/linux-nvme/CAK5usQvxAyC3LJ4OnqerS1P0JpbfFr9uRZmq6Jb4QhaB7AQCoQ@mail.gmail.com/T/
https://git.kernel.org/linus/1c22e0295a5eb571c27b53c7371f95699ef705ff (6.7-rc3)