{"schema_version":"1","data":[{"id":24298,"advisory_id":"ecb64a1a-98ac-4d88-b703-9c0ced78dc73","revision":1,"source_id":"core-cve","source_url":"https://www.cve.org/CVERecord?id=CVE-2023-6817","source_published_at":"2023-12-18T14:37:05.986+00:00","published_at":"2026-10-25T06:33:10.585695+00:00","extraction_method":"structured","technologies":["core-cve","kernel"],"cve_ids":["CVE-2023-6817"],"event_types":["advisory"],"payload":{"kind":"advisory","title":"Use-after-free in Linux kernel's netfilter: nf_tables component","summary":"A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation. The function nft_pipapo_walk did not skip inactive elements during set walk which could lead double deactivations of PIPAPO (Pile Packet Policies) elements, leading to use-after-free. We recommend upgrading past commit 317eb9685095678f2c9f5a8189de698c5354316a.","evidence":"cve:CVE-2023-6817","products":[{"name":{"value":"Kernel","evidence":"/containers/cna/affected/0/product"},"prerequisites":[],"fixed_versions":[],"affected_versions":[]}],"severity":"high","structured":{"id":"CVE-2023-6817","aliases":["CVE-2023-6817"],"metrics":[{"format":"CVSS","cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.8,"attackVector":"LOCAL","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"HIGH"},"scenarios":[{"lang":"en","value":"GENERAL"}]}],"affected":[{"repo":"https://git.kernel.org","vendor":"Linux","product":"Kernel","versions":[{"status":"affected","version":"5.6","lessThan":"6.7","versionType":"custom"}],"packageName":"kernel","defaultStatus":"unaffected"}],"modified":"2026-10-14T22:15:22.336Z","provider":"cve","references":["https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=317eb9685095678f2c9f5a8189de698c5354316a","https://kernel.dance/317eb9685095678f2c9f5a8189de698c5354316a","https://lists.debian.org/debian-lts-announce/2024/01/msg00005.html"],"provider_metadata":{"adp":[{"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=317eb9685095678f2c9f5a8189de698c5354316a","tags":["patch","x_transferred"]},{"url":"https://kernel.dance/317eb9685095678f2c9f5a8189de698c5354316a","tags":["x_transferred"]},{"url":"http://www.openwall.com/lists/oss-security/2023/12/22/6","tags":["x_transferred"]},{"url":"http://www.openwall.com/lists/oss-security/2023/12/22/13","tags":["x_transferred"]},{"url":"https://lists.debian.org/debian-lts-announce/2024/01/msg00005.html","tags":["x_transferred"]},{"url":"http://packetstormsecurity.com/files/177029/Kernel-Live-Patch-Security-Notice-LSN-0100-1.html","tags":["x_transferred"]}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-02T08:42:08.222Z"}},{"affected":[{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","versions":[{"status":"affected","version":"V3.1.0","lessThan":"V3.1.5","versionType":"custom"}],"defaultStatus":"unknown"},{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","versions":[{"status":"affected","version":"V3.1.0","lessThan":"V3.1.5","versionType":"custom"}],"defaultStatus":"unknown"},{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","versions":[{"status":"affected","version":"V3.1.0","lessThan":"V3.1.5","versionType":"custom"}],"defaultStatus":"unknown"},{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","versions":[{"status":"affected","version":"V3.1.0","lessThan":"V3.1.5","versionType":"custom"}],"defaultStatus":"unknown"},{"vendor":"Siemens","product":"SIMATIC S7-1500 TM MFP - GNU/Linux subsystem","versions":[{"status":"affected","version":"0","lessThan":"V1.1.1","versionType":"custom"}],"defaultStatus":"unknown"},{"vendor":"Siemens","product":"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP","versions":[{"status":"affected","version":"V3.1.0","lessThan":"V3.1.5","versionType":"custom"}],"defaultStatus":"unknown"}],"x_adpType":"supplier","references":[{"url":"https://cert-portal.siemens.com/productcert/html/ssa-398330.html"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-265688.html"}],"providerMetadata":{"orgId":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e","shortName":"siemens-SADP","dateUpdated":"2026-10-14T22:15:22.336Z"}}],"cna":{"orgId":"14ed7db2-1595-443d-9d34-6215bf890778","shortName":"Google","dateUpdated":"2024-02-08T16:05:57.106Z"}}},"related_cves":[{"value":"CVE-2023-6817","evidence":"/cveMetadata/cveId"}],"security_relevant":true,"severity_evidence":"/containers/cna/metrics"}}],"next_after":24298,"next_before":24298}