{"api_version":"1","generated_at":"2026-09-24T23:02:46+00:00","cve":"CVE-2026-93222","urls":{"html":"https://cve.report/CVE-2026-93222","api":"https://cve.report/api/cve/CVE-2026-93222.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-93222","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-93222"},"summary":{"title":"signal: avoid shared siginfo namespace rewrites","description":"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.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-09-24 16:17:17","updated_at":"2026-09-24 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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."}],"providerMetadata":{"dateUpdated":"2026-09-24T15:21:04.961Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/e015d1ac6b43a23c52c5163299414ae77d7d4ae0"},{"url":"https://git.kernel.org/stable/c/4ee7c4e4719a825052f42f02ec159b5b42b68fbc"},{"url":"https://git.kernel.org/stable/c/148b0dae2a1755beb873a2aab51fb191414f068c"},{"url":"https://git.kernel.org/stable/c/6b1de022304ef85284c5933a5fb8492f6f54efc9"},{"url":"https://git.kernel.org/stable/c/03c8761e75d1619906bb503686f9cc1dfc6a67f4"},{"url":"https://git.kernel.org/stable/c/a246da20c8e4ae4319511c698b9f26ad0ad1769f"},{"url":"https://git.kernel.org/stable/c/b655c2040ce836afad5643842543567b31f8c11d"},{"url":"https://git.kernel.org/stable/c/d19cdc167e696714509e87d3f7ae765b6e164589"}],"title":"signal: avoid shared siginfo namespace rewrites","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-93222","datePublished":"2026-09-24T15:21:04.961Z","dateReserved":"2026-09-17T16:02:15.094Z","dateUpdated":"2026-09-24T15:21:04.961Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-24 16:17:17","lastModifiedDate":"2026-09-24 16:17:17","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"93222","Ordinal":"1","Title":"signal: avoid shared siginfo namespace rewrites","CVE":"CVE-2026-93222","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"93222","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"signal: avoid shared siginfo namespace rewrites"}]}}}