| Name | CVE-2021-3582 |
| Description | A flaw was found in the QEMU implementation of VMWare's paravirtual RDMA device. The issue occurs while handling a "PVRDMA_CMD_CREATE_MR" command due to improper memory remapping (mremap). This flaw allows a malicious guest to crash the QEMU process on the host. The highest threat from this vulnerability is to system availability. |
| 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-3099-1 |
| Debian Bugs | 990565 |
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+deb10u12 | fixed |
| bullseye | 1:5.2+dfsg-11+deb11u3 | fixed |
| bullseye (security) | 1:5.2+dfsg-11+deb11u2 | fixed |
| bookworm | 1:7.2+dfsg-7+deb12u5 | fixed |
| trixie | 1:8.2.1+ds-2 | fixed |
| sid | 1:8.2.3+ds-1 | 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+deb10u9 | | DLA-3099-1 | |
| qemu | source | (unstable) | 1:5.2+dfsg-11 | | | 990565 |
Notes
[stretch] - qemu <not-affected> (Vulnerable code introduced later)
https://lists.nongnu.org/archive/html/qemu-devel/2021-06/msg04148.html
Upstream commit: https://git.qemu.org/?p=qemu.git;a=commit;h=284f191b4abad213aed04cb0458e1600fd18d7c4