{"schema_version":"1","data":[{"id":15838,"advisory_id":"2fdadd84-8108-4c02-88c3-b59082312166","revision":1,"source_id":"core-cve","source_url":"https://www.cve.org/CVERecord?id=CVE-2021-20320","source_published_at":"2022-02-18T17:50:43+00:00","published_at":"2026-10-25T01:06:45.155982+00:00","extraction_method":"structured","technologies":["core-cve","kernel"],"cve_ids":["CVE-2021-20320"],"event_types":["advisory"],"payload":{"kind":"advisory","title":"CVE-2021-20320","summary":"A flaw was found in s390 eBPF JIT in bpf_jit_insn in arch/s390/net/bpf_jit_comp.c in the Linux kernel. In this flaw, a local attacker with special user privilege can circumvent the verifier and may lead to a confidentiality problem.","evidence":"cve:CVE-2021-20320","products":[{"name":{"value":"kernel","evidence":"/containers/cna/affected/0/product"},"prerequisites":[],"fixed_versions":[],"affected_versions":[]}],"severity":"unknown","structured":{"id":"CVE-2021-20320","aliases":["CVE-2021-20320"],"metrics":[],"affected":[{"vendor":"n/a","product":"kernel","versions":[{"status":"affected","version":"kernel 5.15 rc3"}]}],"modified":"2026-10-08T21:03:11.944Z","provider":"cve","references":["https://bugzilla.redhat.com/show_bug.cgi?id=2010090","https://lore.kernel.org/bpf/20210902185229.1840281-1-johan.almbladh%40anyfinetworks.com/"],"provider_metadata":{"adp":[{"title":"CVE Program Container","references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2010090","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://lore.kernel.org/bpf/20210902185229.1840281-1-johan.almbladh%40anyfinetworks.com/","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-03T17:37:23.807Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2021-20320","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2026-10-08T20:54:29.458099Z"}}}],"providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-10-08T21:03:11.944Z"}}],"cna":{"orgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","shortName":"redhat","dateUpdated":"2022-02-18T17:50:43.000Z"}}},"related_cves":[{"value":"CVE-2021-20320","evidence":"/cveMetadata/cveId"}],"security_relevant":true,"severity_evidence":null}}],"next_after":15838,"next_before":15838}