{"schema_version":"1","data":[{"id":24265,"advisory_id":"794064f1-4147-402a-8203-777bb55f805e","revision":1,"source_id":"core-cve","source_url":"https://www.cve.org/CVERecord?id=CVE-2023-4015","source_published_at":"2023-09-06T13:52:44.724+00:00","published_at":"2026-10-25T06:32:50.504089+00:00","extraction_method":"structured","technologies":["core-cve","kernel"],"cve_ids":["CVE-2023-4015"],"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. On an error when building a nftables rule, deactivating immediate expressions in nft_immediate_deactivate() can lead unbinding the chain and objects be deactivated but later used. We recommend upgrading past commit 0a771f7b266b02d262900c75f1e175c7fe76fec2.","evidence":"cve:CVE-2023-4015","products":[{"name":{"value":"Kernel","evidence":"/containers/cna/affected/0/product"},"prerequisites":[],"fixed_versions":[],"affected_versions":[]}],"severity":"high","structured":{"id":"CVE-2023-4015","aliases":["CVE-2023-4015"],"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":"6.4","lessThan":"6.5","versionType":"custom"}],"packageName":"kernel","defaultStatus":"unaffected"}],"modified":"2026-10-14T21:23:00.520Z","provider":"cve","references":["https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0a771f7b266b02d262900c75f1e175c7fe76fec2","https://kernel.dance/0a771f7b266b02d262900c75f1e175c7fe76fec2","https://www.debian.org/security/2023/dsa-5492"],"provider_metadata":{"adp":[{"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0a771f7b266b02d262900c75f1e175c7fe76fec2","tags":["patch","x_transferred"]},{"url":"https://kernel.dance/0a771f7b266b02d262900c75f1e175c7fe76fec2","tags":["x_transferred"]},{"url":"https://www.debian.org/security/2023/dsa-5492","tags":["x_transferred"]}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-02T07:17:11.558Z"}},{"affected":[{"vendor":"Siemens","product":"SIMATIC S7-1500 TM MFP - GNU/Linux subsystem","versions":[{"status":"affected","version":"0","lessThan":"V1.1","versionType":"custom"}],"defaultStatus":"unknown"}],"x_adpType":"supplier","references":[{"url":"https://cert-portal.siemens.com/productcert/html/ssa-831302.html"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-794697.html"}],"providerMetadata":{"orgId":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e","shortName":"siemens-SADP","dateUpdated":"2026-10-14T21:23:00.520Z"}}],"cna":{"orgId":"14ed7db2-1595-443d-9d34-6215bf890778","shortName":"Google","dateUpdated":"2023-09-10T11:06:38.175Z"}}},"related_cves":[{"value":"CVE-2023-4015","evidence":"/cveMetadata/cveId"}],"security_relevant":true,"severity_evidence":"/containers/cna/metrics"}}],"next_after":24265,"next_before":24265}