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THREATINT
PUBLISHED

CVE-2024-4693

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



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.

Reserved 2024-05-09 | Published 2024-05-10 | Updated 2024-11-13 | Assigner redhat


MEDIUM: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Problem types

Operation on a Resource after Expiration or Release

Product status

7eeb62b0ce3a8f64647bf53f93903abd1fbb0b94 before *
unaffected

Default status
unknown

Default status
unknown

Default status
unknown

Default status
unaffected

Default status
unknown

Default status
affected

Timeline

2024-05-10:Reported to Red Hat.
2024-05-10:Made public.

References

access.redhat.com/security/cve/CVE-2024-4693 vdb-entry

bugzilla.redhat.com/show_bug.cgi?id=2279965 (RHBZ#2279965) issue-tracking

cve.org (CVE-2024-4693)

nvd.nist.gov (CVE-2024-4693)

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