| Name | CVE-2023-1544 |
| Description | A flaw was found in the QEMU implementation of VMWare's paravirtual RDMA device. This flaw allows a crafted guest driver to allocate and initialize a huge number of page tables to be used as a ring of descriptors for CQ and async events, potentially leading to an out-of-bounds read and crash of QEMU. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 1034179 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| qemu (PTS) | jessie, jessie (lts) | 1:2.1+dfsg-12+deb8u23 | fixed |
| stretch (security) | 1:2.8+dfsg-6+deb9u17 | fixed |
| stretch (lts), stretch | 1:2.8+dfsg-6+deb9u19 | fixed |
| buster (security), buster, buster (lts) | 1:3.1+dfsg-8+deb10u12 | vulnerable |
| bullseye | 1:5.2+dfsg-11+deb11u3 | vulnerable |
| bullseye (security) | 1:5.2+dfsg-11+deb11u2 | vulnerable |
| bookworm | 1:7.2+dfsg-7+deb12u7 | vulnerable |
| sid, trixie | 1:9.1.1+ds-5 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| qemu | source | jessie | (not affected) | | | |
| qemu | source | stretch | (not affected) | | | |
| qemu | source | (unstable) | 1:8.2.0+ds-1 | | | 1034179 |
Notes
[bookworm] - qemu <no-dsa> (Minor issue)
[bullseye] - qemu <no-dsa> (Minor issue)
[buster] - qemu <ignored> (PVRDMA support not enabled in the binary packages)
https://lists.nongnu.org/archive/html/qemu-devel/2023-03/msg00206.html
Fixed by: https://gitlab.com/qemu-project/qemu/-/commit/85fc35afa93c7320d1641d344d0c5dfbe341d087 (v8.2.0-rc0)
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
Not fixed in 1:5.2+dfsg-11+deb11u3 as claimed in the changelog, contains the
CVE-2022-1050 fix instead. In unstable 1:8.0.2+dfsg-1 disabled support for
pvrdma (addressing/mitigating) CVE-2023-1544. Sourcewise fixed in v8.2.0
upstream.
[stretch] - qemu <not-affected> (rdma devices introduced in v2.12)
[jessie] - qemu <not-affected> (rdma devices introduced in v2.12)