{"id":"UBUNTU-CVE-2024-4693","details":"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.","modified":"2026-01-30T00:48:40.214716Z","published":"2024-05-14T15:44:00Z","related":["USN-7094-1"],"upstream":["CVE-2024-4693"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2024-4693"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2024-4693"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7094-1"}],"affected":[{"package":{"name":"qemu","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/qemu@1:8.2.2+ds-0ubuntu1.4?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:8.2.2+ds-0ubuntu1.4"}]}],"versions":["1:8.0.4+dfsg-1ubuntu3","1:8.0.4+dfsg-1ubuntu4","1:8.0.4+dfsg-1ubuntu5","1:8.1.3+ds-1ubuntu2","1:8.2.1+ds-1ubuntu1","1:8.2.1+ds-1ubuntu8","1:8.2.1+ds-1ubuntu9","1:8.2.2+ds-0ubuntu1","1:8.2.2+ds-0ubuntu1.2"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"qemu-block-extra","binary_version":"1:8.2.2+ds-0ubuntu1.4"},{"binary_name":"qemu-block-supplemental","binary_version":"1:8.2.2+ds-0ubuntu1.4"},{"binary_name":"qemu-guest-agent","binary_version":"1:8.2.2+ds-0ubuntu1.4"},{"binary_version":"1:8.2.2+ds-0ubuntu1.4","binary_name":"qemu-system"},{"binary_name":"qemu-system-arm","binary_version":"1:8.2.2+ds-0ubuntu1.4"},{"binary_name":"qemu-system-common","binary_version":"1:8.2.2+ds-0ubuntu1.4"},{"binary_name":"qemu-system-data","binary_version":"1:8.2.2+ds-0ubuntu1.4"},{"binary_name":"qemu-system-gui","binary_version":"1:8.2.2+ds-0ubuntu1.4"},{"binary_name":"qemu-system-mips","binary_version":"1:8.2.2+ds-0ubuntu1.4"},{"binary_name":"qemu-system-misc","binary_version":"1:8.2.2+ds-0ubuntu1.4"},{"binary_name":"qemu-system-modules-opengl","binary_version":"1:8.2.2+ds-0ubuntu1.4"},{"binary_version":"1:8.2.2+ds-0ubuntu1.4","binary_name":"qemu-system-modules-spice"},{"binary_version":"1:8.2.2+ds-0ubuntu1.4","binary_name":"qemu-system-ppc"},{"binary_name":"qemu-system-s390x","binary_version":"1:8.2.2+ds-0ubuntu1.4"},{"binary_name":"qemu-system-sparc","binary_version":"1:8.2.2+ds-0ubuntu1.4"},{"binary_version":"1:8.2.2+ds-0ubuntu1.4","binary_name":"qemu-system-x86"},{"binary_version":"1:8.2.2+ds-0ubuntu1.4","binary_name":"qemu-system-x86-xen"},{"binary_name":"qemu-system-xen","binary_version":"1:8.2.2+ds-0ubuntu1.4"},{"binary_name":"qemu-user","binary_version":"1:8.2.2+ds-0ubuntu1.4"},{"binary_version":"1:8.2.2+ds-0ubuntu1.4","binary_name":"qemu-user-binfmt"},{"binary_name":"qemu-user-static","binary_version":"1:8.2.2+ds-0ubuntu1.4"},{"binary_name":"qemu-utils","binary_version":"1:8.2.2+ds-0ubuntu1.4"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2024/UBUNTU-CVE-2024-4693.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}