{"affected":[{"defaultStatus":"unaffected","product":"Linux","source":"CNA: Linux","vendor":"Linux","versions":[{"lessThan":"2028405ea6987b4448784e439413202cfe19f43f","status":"affected","version":"9b03f38d0487f3908696242286d934c9b38f9d2a","versionType":"git"},{"lessThan":"168145c87444619e3e649322bbe7719ecd00d411","status":"affected","version":"9b03f38d0487f3908696242286d934c9b38f9d2a","versionType":"git"},{"lessThan":"dcfcd95b3ae7683e8ae55c92284b3430ce614bc7","status":"affected","version":"9b03f38d0487f3908696242286d934c9b38f9d2a","versionType":"git"},{"lessThan":"9ca8c7452493d915f9bbf2f39331e6c583d07a23","status":"affected","version":"9b03f38d0487f3908696242286d934c9b38f9d2a","versionType":"git"},{"lessThan":"3265ad619987cb551edaf797ed056d80ac450225","status":"affected","version":"9b03f38d0487f3908696242286d934c9b38f9d2a","versionType":"git"},{"lessThan":"3db5647984de03d9cae0dcddb509b058351f0ee4","status":"affected","version":"9b03f38d0487f3908696242286d934c9b38f9d2a","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","source":"CNA: Linux","vendor":"Linux","versions":[{"status":"affected","version":"2.6.28"},{"lessThan":"2.6.28","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.168","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.131","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.80","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.21","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.11","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]},{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","source":"ADP: siemens-SADP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","source":"ADP: siemens-SADP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","source":"ADP: siemens-SADP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.7","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","source":"ADP: siemens-SADP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","source":"ADP: siemens-SADP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","source":"ADP: siemens-SADP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.7","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP","source":"ADP: siemens-SADP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP","source":"ADP: siemens-SADP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP","source":"ADP: siemens-SADP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.7","versionType":"custom"}]}],"cveId":"CVE-2026-31496","cwes":[],"description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nf_conntrack_expect: skip expectations in other netns via proc\n\nSkip expectations that do not reside in this netns.\n\nSimilar to e77e6ff502ea (\"netfilter: conntrack: do not dump other netns's\nconntrack entries via proc\").","epss":{"date":"2026-11-05","percentile":0.02241,"score":0.00125},"exploits":[],"kev":null,"metrics":[],"modifiedAt":1793915102686,"publishedAt":1776866058287,"references":[{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/2028405ea6987b4448784e439413202cfe19f43f"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/168145c87444619e3e649322bbe7719ecd00d411"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/dcfcd95b3ae7683e8ae55c92284b3430ce614bc7"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/9ca8c7452493d915f9bbf2f39331e6c583d07a23"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/3265ad619987cb551edaf797ed056d80ac450225"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/3db5647984de03d9cae0dcddb509b058351f0ee4"},{"source":"ADP: siemens-SADP","tags":[],"url":"https://cert-portal.siemens.com/productcert/html/ssa-082556.html"},{"source":"ADP: siemens-SADP","tags":[],"url":"https://cert-portal.siemens.com/productcert/html/ssa-019113.html"},{"source":"ADP: siemens-SADP","tags":[],"url":"https://cert-portal.siemens.com/productcert/html/ssa-457936.html"}],"remediation":[],"revision":"500a8f93913c39d829bc3849c33a323dc6fc2a4c7785ef6f08c7434375e64200","sources":[{"modifiedAt":1793915102686,"name":"CNA: Linux","retrievedAt":1793917066987,"url":"https://www.cve.org/CVERecord?id=CVE-2026-31496"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1793917073568,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-31496"}],"ssvc":{"assessedAt":1793914529741,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"netfilter: nf_conntrack_expect: skip expectations in other netns via proc","updatedAt":1793917073568}