CVE-2022-1050

NameCVE-2022-1050
DescriptionA 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-3362-1
Debian Bugs1014589

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
qemu (PTS)buster1:3.1+dfsg-8+deb10u8vulnerable
buster (security)1:3.1+dfsg-8+deb10u11fixed
bullseye1:5.2+dfsg-11+deb11u3vulnerable
bullseye (security)1:5.2+dfsg-11+deb11u2vulnerable
bookworm1:7.2+dfsg-7+deb12u5fixed
trixie1:8.2.1+ds-2fixed
sid1:8.2.2+ds-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
qemusourcestretch(not affected)
qemusourcebuster1:3.1+dfsg-8+deb10u10DLA-3362-1
qemusource(unstable)1:7.1+dfsg-21014589

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

Search for package or bug name: Reporting problems