| Name | CVE-2023-1838 |
| Description | A use-after-free flaw was found in vhost_net_set_backend in drivers/vhost/net.c in virtio network subcomponent in the Linux kernel due to a double fget. This flaw could allow a local attacker to crash the system, and could even lead to a kernel information leak problem. |
| 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) | jessie, jessie (lts) | 3.16.84-1 | vulnerable |
| stretch (security) | 4.9.320-2 | vulnerable | |
| stretch (lts), stretch | 4.9.320-3 | vulnerable | |
| buster | 4.19.249-2 | fixed | |
| buster (security) | 4.19.304-1 | fixed | |
| bullseye | 5.10.209-2 | fixed | |
| bullseye (security) | 5.10.216-1 | fixed | |
| bookworm | 6.1.76-1 | fixed | |
| bookworm (security) | 6.1.90-1 | fixed | |
| sid, trixie | 6.7.12-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| linux | source | jessie | (unfixed) | end-of-life | ||
| linux | source | stretch | (unfixed) | end-of-life | ||
| linux | source | buster | 4.19.249-1 | |||
| linux | source | bullseye | 5.10.120-1 | |||
| linux | source | (unstable) | 5.17.11-1 |
https://git.kernel.org/linus/fb4554c2232e44d595920f4d5c66cf8f7d13f9bc (5.18)