{"schema":"threatline.record/2","record":{"id":"CVE-2026-93222","aliases":[],"summary":"signal: avoid shared siginfo namespace rewrites","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nsignal: avoid shared siginfo namespace rewrites\n\nsend_signal_locked() rewrites sender ids for the target namespace.  Group\nsends reuse the same siginfo, so one recipient can affect the next.\n\nCopy the siginfo before changing it.","categories":["Operating systems"],"product":"Linux","vendor":"Linux","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-93222","source_modified_at":"2026-10-19T09:07:33.885Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Linux","vendor":"Linux","versions":[{"version":"7a0cf094944e2540758b7f957eb6846d5126f535","lessThan":"e015d1ac6b43a23c52c5163299414ae77d7d4ae0","status":"affected","versionType":"git"},{"version":"7a0cf094944e2540758b7f957eb6846d5126f535","lessThan":"4ee7c4e4719a825052f42f02ec159b5b42b68fbc","status":"affected","versionType":"git"},{"version":"7a0cf094944e2540758b7f957eb6846d5126f535","lessThan":"148b0dae2a1755beb873a2aab51fb191414f068c","status":"affected","versionType":"git"},{"version":"7a0cf094944e2540758b7f957eb6846d5126f535","lessThan":"6b1de022304ef85284c5933a5fb8492f6f54efc9","status":"affected","versionType":"git"},{"version":"7a0cf094944e2540758b7f957eb6846d5126f535","lessThan":"03c8761e75d1619906bb503686f9cc1dfc6a67f4","status":"affected","versionType":"git"},{"version":"7a0cf094944e2540758b7f957eb6846d5126f535","lessThan":"a246da20c8e4ae4319511c698b9f26ad0ad1769f","status":"affected","versionType":"git"},{"version":"7a0cf094944e2540758b7f957eb6846d5126f535","lessThan":"b655c2040ce836afad5643842543567b31f8c11d","status":"affected","versionType":"git"},{"version":"7a0cf094944e2540758b7f957eb6846d5126f535","lessThan":"d19cdc167e696714509e87d3f7ae765b6e164589","status":"affected","versionType":"git"},{"version":"e897dd22800f02bd48aefb1511fff0b2ce96e94c","status":"affected","versionType":"git"},{"version":"2f0e9eed11ca778d0ec5507a739c28472fd4ca20","status":"affected","versionType":"git"},{"version":"5.1.20","lessThan":"5.2","status":"affected","versionType":"semver"},{"version":"5.2.3","lessThan":"5.3","status":"affected","versionType":"semver"}],"defaultStatus":"unaffected"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-93222","source_modified_at":"2026-10-19T09:07:33.885Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Linux","vendor":"Linux","versions":[{"version":"5.3","status":"affected"},{"version":"0","lessThan":"5.3","status":"unaffected","versionType":"semver"},{"version":"5.10.270","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.221","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.188","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.157","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.109","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.50","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.2.4","lessThanOrEqual":"7.2.*","status":"unaffected","versionType":"semver"},{"version":"7.3","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}],"defaultStatus":"affected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-93222","source_modified_at":"2026-10-19T09:07:33.885Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"4ee7c4e4719a825052f42f02ec159b5b42b68fbc","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-93222","source_modified_at":"2026-10-19T09:07:33.885Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"148b0dae2a1755beb873a2aab51fb191414f068c","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-93222","source_modified_at":"2026-10-19T09:07:33.885Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"6b1de022304ef85284c5933a5fb8492f6f54efc9","basis":"first unaffected version stated in the CVE record"},{"source":"CVE 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record"}],"cvss":null,"severity":null,"kev":{"listed":false},"epss":{"probability":0.00176,"percentile":0.06831,"score_date":"2026-10-23"},"published_at":"2026-09-24T15:21:04.961Z","modified_at":"2026-10-19T09:07:33.885Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-93222","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-19T09:07:33.885Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-93222","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://git.kernel.org/stable/c/e015d1ac6b43a23c52c5163299414ae77d7d4ae0"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/4ee7c4e4719a825052f42f02ec159b5b42b68fbc"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/148b0dae2a1755beb873a2aab51fb191414f068c"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/6b1de022304ef85284c5933a5fb8492f6f54efc9"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/03c8761e75d1619906bb503686f9cc1dfc6a67f4"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/a246da20c8e4ae4319511c698b9f26ad0ad1769f"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/b655c2040ce836afad5643842543567b31f8c11d"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/d19cdc167e696714509e87d3f7ae765b6e164589"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-19T09:07:33.885Z","content_hash":"d6638385a06491dad1ade8a761b89b923e62c99e2b7d18863d9b5702b553a432"}}