CVE-2024-4693

NameCVE-2024-4693
DescriptionA flaw was found in the QEMU Virtio PCI Bindings (hw/virtio/virtio-pci.c). An improper release and use of the irqfd for vector 0 during the boot process leads to a guest triggerable crash via vhost_net_stop(). This flaw allows a malicious guest to crash the QEMU process on the host.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
qemu (PTS)buster1:3.1+dfsg-8+deb10u8fixed
buster (security)1:3.1+dfsg-8+deb10u12fixed
bullseye1:5.2+dfsg-11+deb11u3fixed
bullseye (security)1:5.2+dfsg-11+deb11u2fixed
bookworm1:7.2+dfsg-7+deb12u5fixed
sid, trixie1:8.2.3+ds-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
qemusourcebuster(not affected)
qemusourcebullseye(not affected)
qemusourcebookworm(not affected)
qemusource(unstable)1:8.2.3+ds-1

Notes

[bookworm] - qemu <not-affected> (Vulnerable code not present)
[bullseye] - qemu <not-affected> (Vulnerable code not present)
[buster] - qemu <not-affected> (Vulnerable code not present)
https://gitlab.com/qemu-project/qemu/-/issues/2321
Introduced by: https://gitlab.com/qemu-project/qemu/-/commit/f9a09ca3ea69d108d828b7c82f1bd61b2df6fc96 (v8.0.0-rc0)
Fixed by: https://gitlab.com/qemu-project/qemu/-/commit/fcbb086ae590e910614fe5b8bf76e264f71ef304 (v8.2.3)

Search for package or bug name: Reporting problems