CVE-2023-34319: Linux: buffer overrun in netback due to unusual packet
First published: Tue Aug 08 2023(Updated: )
Last updated 18 February 2025
Credit: security@xen.org security@xen.org security@xen.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Xen xen-unstable | >=3.2.0 | |
| Debian GNU/Linux | =10.0 | |
| Linux Kernel | >=4.9.336<4.10 | |
| Linux Kernel | >=4.14.302<4.14.321 | |
| Linux Kernel | >=4.19.269<4.19.290 | |
| Linux Kernel | >=5.4.227<5.4.252 | |
| Linux Kernel | >=5.10.159<5.10.189 | |
| Linux Kernel | >=5.15.83<5.15.125 | |
| Linux Kernel | >=6.1.13<6.1.44 | |
| Linux Kernel | >=6.2<6.4.9 | |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.123-1 6.1.128-1 6.12.12-1 6.12.15-1 | |
| Debian | =10.0 |
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Reference Links
- https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html
- https://xenbits.xenproject.org/xsa/advisory-438.html
- https://xenbits.xenproject.org/xsa/advisory-432.html
- http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html
- https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html
- https://security.netapp.com/advisory/ntap-20240202-0001/
- https://launchpad.net/bugs/cve/CVE-2023-34319
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-34319
- https://nvd.nist.gov/vuln/detail/CVE-2023-34319
- https://security-tracker.debian.org/tracker/CVE-2023-34319
- https://ubuntu.com/security/CVE-2023-34319
- https://git.kernel.org/linus/534fc31d09b706a16d83533e16b5dc855caf7576
- https://xenbits.xen.org/xsa/advisory-432.html
Frequently Asked Questions
What is the severity of CVE-2023-34319?
CVE-2023-34319 has been classified with a critical severity due to its potential impact on vulnerable systems.
How do I fix CVE-2023-34319?
To fix CVE-2023-34319, update your Linux kernel to the latest version or install any available security patches from your distribution.
Which systems are affected by CVE-2023-34319?
CVE-2023-34319 affects multiple versions of the Linux kernel, Debian Linux 10.0, and various Xen hypervisor versions.
What is the nature of the vulnerability in CVE-2023-34319?
CVE-2023-34319 involves a logic flaw in the netback driver of Xen, which can allow potential packet manipulation.
Is there a known exploit for CVE-2023-34319?
As of now, there are no known public exploits for CVE-2023-34319, but it is recommended to apply patches due to its critical nature.
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