| Name | CVE-2022-1050 |
| Description | A flaw was found in the QEMU implementation of VMWare's paravirtual RDMA device. This flaw allows a crafted guest driver to execute HW commands when shared buffers are not yet allocated, potentially leading to a use-after-free condition. |
| 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-3362-1 |
| Debian Bugs | 1014589 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| qemu (PTS) | buster | 1:3.1+dfsg-8+deb10u8 | vulnerable |
| buster (security) | 1:3.1+dfsg-8+deb10u10 | fixed |
| bullseye (security), bullseye | 1:5.2+dfsg-11+deb11u2 | vulnerable |
| bookworm | 1:7.2+dfsg-7+deb12u1 | fixed |
| sid, trixie | 1:8.1.0+ds-6 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| qemu | source | stretch | (not affected) | | | |
| qemu | source | buster | 1:3.1+dfsg-8+deb10u10 | | DLA-3362-1 | |
| qemu | source | (unstable) | 1:7.1+dfsg-2 | | | 1014589 |
Notes
[bullseye] - qemu <no-dsa> (Minor issue)
[stretch] - qemu <not-affected> (rdma devices introduced in v2.12)
https://gitlab.com/qemu-project/qemu/-/commit/31c4b6fb0293e359f9ef8a61892667e76eea4c99 (master, after v7.2.0)
PVRDMA support not enabled in the binary packages until 1:3.1+dfsg-3, disabled again in 1:3.1+dfsg-4 until 1:4.1-1