{"schema":"threatline.record/2","record":{"id":"CVE-2026-102700","aliases":[],"summary":"gnttab: cache-flush handling may cause page reference leak","details":"With its original introduction, GNTTAB_cache_flush was made available\nuniformly.  XSA-232 (CVE-2017-14318) then covered an omitted NULL\npointer check, yet the addition of that check failed to adjust the\nsubsequent error path.  That error path fails to drop a page reference in\ncase the specified page is owned by a special system domain (DOM_IO and\nDOM_COW are system domains which can have memory pages assigned to them.)","categories":["Unclassified"],"product":"Xen","vendor":"Xen","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-102700","source_modified_at":"2026-10-20T17:16:15.958Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Xen","vendor":"Xen","versions":[{"status":"unknown","version":"consult Xen advisory XSA-520"}],"defaultStatus":"unknown"}],"fixed_versions":[],"cvss":4.7,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.00116,"percentile":0.01544,"score_date":"2026-10-23"},"published_at":"2026-10-13T15:45:27.794Z","modified_at":"2026-10-20T17:16:15.958Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-102700","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-20T17:16:15.958Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-102700","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://xenbits.xenproject.org/xsa/advisory-520.html"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CISA ADP","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"partial","assessed_at":"2026-10-20T17:15:12.175287Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-20T17:16:15.958Z","content_hash":"88123af28126ea4b01345360ec095d9a77b631b863c52acaa58521c32470d778"}}