CVE-2024-4693 — Operation on a Resource after Expiration or Release in Qemu

CWE-672 — Operation on a Resource after Expiration or Release9 documents8 sources
Severity
5.5MEDIUMNVD
OSV3.5
EPSS
0.0%
top 90.30%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Qemu
Timeline
PublishedMay 14
Latest updateNov 8

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.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages2 packages

▶Debianqemu/qemu< 1:8.2.3+ds-1+1
▶Ubuntuqemu/qemu< 1:4.2-3ubuntu6.30+5

🔴Vulnerability Details

4
OSV
qemu vulnerabilities↗2024-11-08
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GHSA
GHSA-c58x-2x8h-gwq3: A flaw was found in the QEMU Virtio PCI Bindings (hw/virtio/virtio-pci↗2024-05-14
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OSV
CVE-2024-4693: A flaw was found in the QEMU Virtio PCI Bindings (hw/virtio/virtio-pci↗2024-05-14
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CVEList
Qemu-kvm: virtio-pci: improper release of configure vector leads to guest triggerable crash↗2024-05-10
▶

📋Vendor Advisories

4
Ubuntu
QEMU vulnerabilities↗2024-11-08
▶
Microsoft
Qemu-kvm: virtio-pci: improper release of configure vector leads to guest triggerable crash↗2024-05-14
▶
Red Hat
qemu-kvm: virtio-pci: improper release of configure vector leads to guest triggerable crash↗2024-05-10
▶
Debian
CVE-2024-4693: qemu - A flaw was found in the QEMU Virtio PCI Bindings (hw/virtio/virtio-pci.c). An im...↗2024
▶