What’s Vulnerable › Vulnerabilities
CVE-2023-35001: Linux Kernel nftables Out-Of-Bounds Read/Write Vulnerability
- Severity: high (CVSS 7.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 1.5% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2023-07-05 · updated 2026-10-15
- Weakness: CWE-787
Description
Linux Kernel nftables Out-Of-Bounds Read/Write Vulnerability; nft_byteorder poorly handled vm register contents when CAP_NET_ADMIN is in any user or network namespace
Affected products
- Debian Linux: 11.0
- Fedoraproject Fedora: 37, 38
- Linux kernel: from 3.13 before 4.14.322; from 4.15 through 4.19.291; from 4.20 before 5.4.251; from 5.5 before 5.10.188; from 5.11 before 5.15.121; from 5.16 before 6.1.39 — fixed in 4.14.322, 5.10.188, 5.15.121, 5.4.251, 6.1.39, 6.4.4
- NetApp H300S: all versions
- NetApp H410C: all versions
- NetApp H410S: all versions
- NetApp H500S: all versions
- NetApp H700S: all versions
How to fix
Upgrade to a fixed version: Linux kernel 4.14.322, 5.10.188, 5.15.121, 5.4.251. Check the vendor advisory for mitigations.
References
- http://packetstormsecurity.com/files/173757/Kernel-Live-Patch-Security-Notice-LSN-0096-1.html
- http://packetstormsecurity.com/files/174577/Kernel-Live-Patch-Security-Notice-LSN-0097-1.html
- http://www.openwall.com/lists/oss-security/2023/07/05/3
- https://lists.debian.org/debian-lts-announce/2023/08/msg00001.html
- https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RGZC5XOANA75OJ4XARBBXYSLDKUIJI5E/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UPHI46ROSSLVAV4R5LJWJYU747JGOS6D/
- https://lore.kernel.org/netfilter-devel/20230705121515.747251-1-cascardo@canonical.com/T/
- https://security.netapp.com/advisory/ntap-20230824-0007/
- https://www.debian.org/security/2023/dsa-5453
- https://www.openwall.com/lists/oss-security/2023/07/05/3
- http://packetstormsecurity.com/files/173757/Kernel-Live-Patch-Security-Notice-LSN-0096-1.html
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