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

What is CVE-2023-5158?

CVE-2023-5158 is a medium-severity denial of service vulnerability in Linux kernel, published on 25 Sep 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official 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.

Weakness: CWE-684

Which versions are affected by CVE-2023-5158?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2023-5158?

Apply the vendor's patch.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2023-5158 being exploited?

There is no known exploitation of CVE-2023-5158 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as BELL-CVE-2023-5158, DEBIAN-CVE-2023-5158, GHSA-xccf-m24h-v4r5, UBUNTU-CVE-2023-5158.