{"id":"CVE-2023-5197","title":"A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation.\n\nAddition and removal of rules from chain bindings within the same transaction causes leads to us…","summary":"A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation.\n\nAddition and removal of rules from chain bindings within the same transaction causes leads to us…","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-416","CWE-416"],"vendor":"debian","product":"debian_linux","affected":["debian_linux = 10.0","linux_kernel >= 5.9.0, < 5.10.198","linux_kernel >= 5.11, < 5.15.134","linux_kernel >= 5.16, < 6.1.56","linux_kernel >= 6.2, < 6.5.6"],"patched":["linux_kernel 6.5.6"],"published":"2023-09-27","updated":"2026-10-14","sourceUpdated":"2026-10-14T22:17:19.547","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2023-5197","references":[{"url":"http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html","label":"cve-coordination@google.com"},{"url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f15f29fd4779be8a418b66e9d52979bb6d6c2325","label":"cve-coordination@google.com"},{"url":"https://kernel.dance/f15f29fd4779be8a418b66e9d52979bb6d6c2325","label":"cve-coordination@google.com"},{"url":"https://lists.debian.org/debian-lts-announce/2024/01/msg00005.html","label":"cve-coordination@google.com"},{"url":"http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f15f29fd4779be8a418b66e9d52979bb6d6c2325","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://kernel.dance/f15f29fd4779be8a418b66e9d52979bb6d6c2325","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2024/01/msg00005.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-794697.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}],"tags":["nvd"],"epss":0.00369,"epssPercentile":0.29118,"ingestedAt":"2026-10-14T23:00:02.005Z","slug":"CVE-2023-5197","body":"## Overview\n\nA use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation.\n\nAddition and removal of rules from chain bindings within the same transaction causes leads to use-after-free.\n\nWe recommend upgrading past commit f15f29fd4779be8a418b66e9d52979bb6d6c2325.\n\n## Affected\n\n- `debian_linux = 10.0`\n- `linux_kernel >= 5.9.0, < 5.10.198`\n- `linux_kernel >= 5.11, < 5.15.134`\n- `linux_kernel >= 5.16, < 6.1.56`\n- `linux_kernel >= 6.2, < 6.5.6`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 6.5.6`","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}