CVE-2023-46838: Linux: netback processing of zero-length transmit fragment
First published: Mon Jan 22 2024(Updated: )
Last updated 18 February 2025
Credit: security@xen.org security@xen.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux kernel | >=4.14<4.19.306 | |
| Linux kernel | >=4.20<5.4.268 | |
| Linux kernel | >=5.5<5.10.209 | |
| Linux kernel | >=5.11<5.15.148 | |
| Linux kernel | >=5.16<6.1.75 | |
| Linux kernel | >=6.2<6.6.14 | |
| Linux kernel | >=6.7<6.7.2 | |
| Fedora | =38 | |
| Fedora | =39 | |
| Debian | =10.0 | |
| debian/linux | 5.10.223-1 5.10.234-1 6.1.123-1 6.1.128-1 6.12.12-1 6.12.16-1 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- https://xenbits.xenproject.org/xsa/advisory-448.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RGEKT4DKSDXDS34EL7M4UVJMMPH7Z3ZZ/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZFYW6R64GPLUOXSQBJI3JBUX3HGLAYPP/
- https://launchpad.net/bugs/cve/CVE-2023-46838
- https://lists.debian.org/debian-lts-announce/2024/06/msg00016.html
- https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html
- https://xenbits.xen.org/xsa/advisory-448.html
- https://git.kernel.org/linus/c7ec4f2d684e17d69bbdd7c4324db0ef5daac26a
- https://security-tracker.debian.org/tracker/CVE-2023-46838
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-46838
- https://nvd.nist.gov/vuln/detail/CVE-2023-46838
- https://ubuntu.com/security/CVE-2023-46838
Frequently Asked Questions
What is the severity of CVE-2023-46838?
CVE-2023-46838 has been classified with a critical severity level due to potential exploitation in virtual network protocols.
How do I fix CVE-2023-46838?
To fix CVE-2023-46838, upgrade the Linux kernel to a patched version such as 5.10.223-1 or later.
Which software is affected by CVE-2023-46838?
CVE-2023-46838 affects various versions of the Linux kernel, including 4.14 through 6.7.
Is there a workaround for CVE-2023-46838?
Currently, there are no documented workarounds for CVE-2023-46838 other than upgrading to a fixed version of the kernel.
What are the potential impacts of exploiting CVE-2023-46838?
Exploiting CVE-2023-46838 could lead to remote code execution or denial of service within the virtual network.
- collector/oss-sec
- source/oss-sec
- alias/CVE-2023-46838
- agent/first-publish-date
- agent/title
- agent/type
- agent/weakness
- agent/severity
- collector/launchpad-cve
- source/Launchpad
- agent/remedy
- agent/author
- collector/epss-latest
- source/FIRST
- agent/epss
- collector/mitre-cve
- source/MITRE
- agent/references
- agent/trending
- agent/source
- agent/last-modified-date
- agent/event
- agent/tags
- collector/nvd-api
- source/NVD
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- collector/nvd-cve
- agent/softwarecombine
- collector/usn-cve
- source/Ubuntu
- collector/security-tracker-debian
- source/Debian
- agent/description
- vendor/linux
- canonical/linux kernel
- version/linux kernel/4.14
- version/linux kernel/4.20
- version/linux kernel/5.5
- version/linux kernel/5.11
- version/linux kernel/5.16
- version/linux kernel/6.2
- version/linux kernel/6.7
- vendor/fedoraproject
- canonical/fedora
- version/fedora/38
- version/fedora/39
- vendor/debian
- canonical/debian
- version/debian/10.0
- package-manager/debian