CVE-2023-5158: Possible dos from guest to host invringh_kiov_advance in vhost driver at drivers/vhost/vringh.c

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-09-25 · updated 2026-06-17
Weakness: CWE-684

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.

Affected products

Linux kernel: through 5.12.19

References

https://access.redhat.com/security/cve/CVE-2023-5158
https://bugzilla.redhat.com/show_bug.cgi?id=2240561
https://access.redhat.com/security/cve/CVE-2023-5158
https://bugzilla.redhat.com/show_bug.cgi?id=2240561

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