Medium severity · published May 10, 2024
CVE-2024-4693
Qemu-kvm: virtio-pci: improper release of configure vector leads to guest triggerable crash
5.5
CVSS
0.3%
EPSS
No
On KEV
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:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 25% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RH
Red Hat Enterprise Linux 6 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 7 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 8 Advanced Virtualization · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 9 · Red Hat
All versions, or not specified · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-4693
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-4693
access.redhat.com
https://access.redhat.com/security/cve/CVE-2024-4693
bugzilla.redhat.com
https://bugzilla.redhat.com/show_bug.cgi?id=2279965
security.netapp.com
https://security.netapp.com/advisory/ntap-20240828-0007/
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