{"id":"CVE-2023-35001","title":"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","summary":"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","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-787"],"vendor":"linux","product":"linux_kernel","affected":["linux_kernel >= 3.13, < 4.14.322","linux_kernel >= 4.15, <= 4.19.291","linux_kernel >= 4.20, < 5.4.251","linux_kernel >= 5.5, < 5.10.188","linux_kernel >= 5.11, < 5.15.121","linux_kernel >= 5.16, < 6.1.39","linux_kernel >= 6.2, < 6.4.4","debian_linux = 11.0","fedora = 37","fedora = 38","h300s","h410c","h410s","h500s","h700s"],"patched":["linux_kernel 6.4.4"],"published":"2023-07-05","updated":"2026-10-15","sourceUpdated":"2026-10-15T00:16:33.403","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2023-35001","references":[{"url":"http://packetstormsecurity.com/files/173757/Kernel-Live-Patch-Security-Notice-LSN-0096-1.html","label":"security@ubuntu.com"},{"url":"http://packetstormsecurity.com/files/174577/Kernel-Live-Patch-Security-Notice-LSN-0097-1.html","label":"security@ubuntu.com"},{"url":"http://www.openwall.com/lists/oss-security/2023/07/05/3","label":"security@ubuntu.com"},{"url":"https://lists.debian.org/debian-lts-announce/2023/08/msg00001.html","label":"security@ubuntu.com"},{"url":"https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html","label":"security@ubuntu.com"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RGZC5XOANA75OJ4XARBBXYSLDKUIJI5E/","label":"security@ubuntu.com"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UPHI46ROSSLVAV4R5LJWJYU747JGOS6D/","label":"security@ubuntu.com"},{"url":"https://lore.kernel.org/netfilter-devel/20230705121515.747251-1-cascardo@canonical.com/T/","label":"security@ubuntu.com"},{"url":"https://security.netapp.com/advisory/ntap-20230824-0007/","label":"security@ubuntu.com"},{"url":"https://www.debian.org/security/2023/dsa-5453","label":"security@ubuntu.com"},{"url":"https://www.openwall.com/lists/oss-security/2023/07/05/3","label":"security@ubuntu.com"},{"url":"http://packetstormsecurity.com/files/173757/Kernel-Live-Patch-Security-Notice-LSN-0096-1.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://packetstormsecurity.com/files/174577/Kernel-Live-Patch-Security-Notice-LSN-0097-1.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2023/07/05/3","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2023/08/msg00001.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RGZC5XOANA75OJ4XARBBXYSLDKUIJI5E/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UPHI46ROSSLVAV4R5LJWJYU747JGOS6D/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lore.kernel.org/netfilter-devel/20230705121515.747251-1-cascardo@canonical.com/T/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.netapp.com/advisory/ntap-20230824-0007/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.debian.org/security/2023/dsa-5453","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.openwall.com/lists/oss-security/2023/07/05/3","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-398330.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-769027.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-794697.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-806742.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-831302.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}],"tags":["nvd","exploit-available","cve.org"],"epss":0.01544,"epssPercentile":0.74842,"exploits":{"github":3,"githubRepos":["https://github.com/synacktiv/CVE-2023-35001","https://github.com/syedhafiz1234/nftables-oob-read-write-exploit-CVE-2023-35001-","https://github.com/mrbrelax/Exploit_CVE-2023-35001"],"checkedAt":"2026-10-27T16:41:09.036Z"},"exploitAvailable":true,"ingestedAt":"2026-10-15T01:08:04.203Z","slug":"CVE-2023-35001","body":"## Overview\n\nLinux 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\n\n## Affected\n\n- `linux_kernel >= 3.13, < 4.14.322`\n- `linux_kernel >= 4.15, <= 4.19.291`\n- `linux_kernel >= 4.20, < 5.4.251`\n- `linux_kernel >= 5.5, < 5.10.188`\n- `linux_kernel >= 5.11, < 5.15.121`\n- `linux_kernel >= 5.16, < 6.1.39`\n- `linux_kernel >= 6.2, < 6.4.4`\n- `debian_linux = 11.0`\n- `fedora = 37`\n- `fedora = 38`\n- `h300s`\n- `h410c`\n- `h410s`\n- `h500s`\n- `h700s`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 6.4.4`","depth":"midnight","depthScore":55,"depthScoreParts":{"impact":42.9,"likelihood":0.3,"exploitation":12,"ransomware":0},"changes":[]}