CVE-2023-5158

Possible dos from guest to host invringh_kiov_advance in vhost driver at drivers/vhost/vringh.c

Description

A flaw was found in vringh_kiov_advance in drivers/vhost/vringh.c in the host side of a virtio ring in the Linux Kernel. This issue may result in a denial of service from guest to host via zero length descriptor.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.01%
Third-Party Advisory redhat.com
Affected: n/a kernel
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
Affected: Red Hat Red Hat Enterprise Linux 9
Affected: Red Hat Red Hat Enterprise Linux 9
Affected: Fedora Fedora
Published at:
Updated at:

References

Link Tags
https://access.redhat.com/security/cve/CVE-2023-5158 third party advisory vdb entry
https://bugzilla.redhat.com/show_bug.cgi?id=2240561 patch issue tracking

Frequently Asked Questions

What is the severity of CVE-2023-5158?
CVE-2023-5158 has been scored as a medium severity vulnerability.
How to fix CVE-2023-5158?
To fix CVE-2023-5158, 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-2023-5158 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-5158 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-2023-5158?
CVE-2023-5158 affects n/a kernel, 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, Red Hat Red Hat Enterprise Linux 9, Red Hat Red Hat Enterprise Linux 9, Fedora Fedora.
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