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.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.07%
Affected: Red Hat Red Hat Enterprise Linux 6
Affected: Red Hat Red Hat Enterprise Linux 7
Affected: Red Hat Red Hat Enterprise Linux 7
Affected: Red Hat Red Hat Enterprise Linux 8
Affected: Red Hat Red Hat Enterprise Linux 8 Advanced Virtualization
Affected: Red Hat Red Hat Enterprise Linux 9
Published at:
Updated at:

References

Link Tags
https://access.redhat.com/security/cve/CVE-2024-4693 vdb entry
https://bugzilla.redhat.com/show_bug.cgi?id=2279965 issue tracking
https://security.netapp.com/advisory/ntap-20240828-0007/

Frequently Asked Questions

What is the severity of CVE-2024-4693?
CVE-2024-4693 has been scored as a medium severity vulnerability.
How to fix CVE-2024-4693?
To fix CVE-2024-4693, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-4693 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-4693 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-4693?
CVE-2024-4693 affects Red Hat Red Hat Enterprise Linux 6, Red Hat Red Hat Enterprise Linux 7, Red Hat Red Hat Enterprise Linux 7, Red Hat Red Hat Enterprise Linux 8, Red Hat Red Hat Enterprise Linux 8 Advanced Virtualization, Red Hat Red Hat Enterprise Linux 9.
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