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Vulnerability · Published May 10, 2024 · Assigned by redhat

CVE-2024-4693Qemu-kvm: virtio-pci: improper release of configure vector leads to guest triggerable crash

Medium 5.5

In plain English

A medium-severity security flaw in qemu. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 26% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.3%top 74.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

A 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:13qemu1:8.2.3+ds-1DEBIAN-CVE-2024-4693
Debian:14qemu1:8.2.3+ds-1DEBIAN-CVE-2024-4693
Ubuntu:22.04:LTSqemu1:6.2+dfsg-2ubuntu6.24USN-7094-1
Ubuntu:24.04:LTSqemu1:8.2.2+ds-0ubuntu1.4USN-7094-1
Ubuntu:24.04:LTSqemu1:8.2.2+ds-0ubuntu1.4UBUNTU-CVE-2024-4693

Affected products (as reported)

VendorProductVersions
qemu see references
Red Hat Red Hat Enterprise Linux 6 see references
Red Hat Red Hat Enterprise Linux 7 see references
Red Hat Red Hat Enterprise Linux 7 see references
Red Hat Red Hat Enterprise Linux 8 see references
Red Hat Red Hat Enterprise Linux 8 Advanced Virtualization see references
Red Hat Red Hat Enterprise Linux 9 see references

Weakness: CWE-672 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References