CVE-2023-1544

NameCVE-2023-1544
DescriptionA 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs1034179

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
qemu (PTS)jessie, jessie (lts)1:2.1+dfsg-12+deb8u23fixed
stretch (security)1:2.8+dfsg-6+deb9u17fixed
stretch (lts), stretch1:2.8+dfsg-6+deb9u19fixed
buster1:3.1+dfsg-8+deb10u8vulnerable
buster (security)1:3.1+dfsg-8+deb10u12vulnerable
bullseye1:5.2+dfsg-11+deb11u3vulnerable
bullseye (security)1:5.2+dfsg-11+deb11u2vulnerable
bookworm1:7.2+dfsg-7+deb12u6vulnerable
trixie1:8.2.4+ds-1fixed
sid1:9.0.2+ds-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
qemusourcejessie(not affected)
qemusourcestretch(not affected)
qemusource(unstable)1:8.2.0+ds-11034179

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)

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