{"schema_version":"1","data":[{"id":21797,"advisory_id":"48634a0c-f8b3-4391-bbdf-2b8512314f75","revision":1,"source_id":"core-cve","source_url":"https://www.cve.org/CVERecord?id=CVE-2022-1012","source_published_at":"2022-08-05T00:00:00+00:00","published_at":"2026-10-25T05:51:27.821405+00:00","extraction_method":"structured","technologies":["core-cve","kernel"],"cve_ids":["CVE-2022-1012"],"event_types":["advisory"],"payload":{"kind":"advisory","title":"CVE-2022-1012","summary":"A memory leak problem was found in the TCP source port generation algorithm in net/ipv4/tcp.c due to the small table perturb size. This flaw may allow an attacker to information leak and may cause a denial of service problem.","evidence":"cve:CVE-2022-1012","products":[{"name":{"value":"Kernel","evidence":"/containers/cna/affected/0/product"},"prerequisites":[],"fixed_versions":[],"affected_versions":[]}],"severity":"unknown","structured":{"id":"CVE-2022-1012","aliases":["CVE-2022-1012"],"metrics":[],"affected":[{"vendor":"n/a","product":"Kernel","versions":[{"status":"affected","version":"Linux kernel version prior to 5.18-rc6"}]}],"modified":"2026-10-14T12:16:58.216Z","provider":"cve","references":["https://lore.kernel.org/lkml/20220427065233.2075-1-w%401wt.eu/T/","https://bugzilla.redhat.com/show_bug.cgi?id=2064604","https://security.netapp.com/advisory/ntap-20221020-0006/"],"provider_metadata":{"adp":[{"title":"CVE Program Container","references":[{"url":"https://lore.kernel.org/lkml/20220427065233.2075-1-w%401wt.eu/T/","tags":["x_transferred"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2064604","tags":["x_transferred"]},{"url":"https://security.netapp.com/advisory/ntap-20221020-0006/","tags":["x_transferred"]}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-02T23:47:42.922Z"}},{"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-794697.html"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-561322.html"}],"providerMetadata":{"orgId":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e","shortName":"siemens-SADP","dateUpdated":"2026-10-14T12:16:58.216Z"}}],"cna":{"orgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","shortName":"redhat","dateUpdated":"2022-10-20T00:00:00.000Z"}}},"related_cves":[{"value":"CVE-2022-1012","evidence":"/cveMetadata/cveId"}],"security_relevant":true,"severity_evidence":null}}],"next_after":21797,"next_before":21797}