CVE-2023-5158: Possible dos from guest to host invringh_kiov_advance in vhost driver at drivers/vhost/vringh.c
First published: Mon Sep 25 2023(Updated: )
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.
Credit: secalert@redhat.com secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel | <5.13 | 5.13 |
| Linux Kernel | <=5.12.19 | |
| debian/linux | 5.10.223-1 5.10.234-1 6.1.129-1 6.1.128-1 6.12.21-1 6.12.22-1 |
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Reference Links
- https://access.redhat.com/security/cve/CVE-2023-5158
- https://bugzilla.redhat.com/show_bug.cgi?id=2240561
- https://launchpad.net/bugs/cve/CVE-2023-5158
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2240561#c0
- https://lore.kernel.org/virtualization/20230925103057.104541-1-sgarzare@redhat.com/T/#u
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2240561#c7
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2240561#c6
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7aed44babc7f97e82b38e9a68515e699692cc100
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-5158
- https://nvd.nist.gov/vuln/detail/CVE-2023-5158
- https://security-tracker.debian.org/tracker/CVE-2023-5158
- https://ubuntu.com/security/CVE-2023-5158
Frequently Asked Questions
What is CVE-2023-5158?
CVE-2023-5158 is a vulnerability that affects the vringh_kiov_advance function in the host side of a virtio ring in the Linux Kernel.
How severe is CVE-2023-5158?
CVE-2023-5158 has a severity rating of 6.5, which is considered medium.
What is the affected software of CVE-2023-5158?
The affected software of CVE-2023-5158 is the Linux Kernel version up to but excluding 5.13.
What is the impact of CVE-2023-5158?
CVE-2023-5158 may result in a denial of service from guest to host via zero length descriptor.
How can the CVE-2023-5158 vulnerability be fixed?
To fix the CVE-2023-5158 vulnerability, update the Linux Kernel to version 5.13 or later.
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