{"cve":"CVE-2026-93222","nvd":{"published":"2026-09-24T16:17:17.437","modified":"2026-10-19T10:17:13.150","status":"Received","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.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["https://git.kernel.org/stable/c/03c8761e75d1619906bb503686f9cc1dfc6a67f4","https://git.kernel.org/stable/c/148b0dae2a1755beb873a2aab51fb191414f068c","https://git.kernel.org/stable/c/4ee7c4e4719a825052f42f02ec159b5b42b68fbc","https://git.kernel.org/stable/c/6b1de022304ef85284c5933a5fb8492f6f54efc9","https://git.kernel.org/stable/c/a246da20c8e4ae4319511c698b9f26ad0ad1769f"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:56:02.509636177+00:00"},"epss":{"cve":"CVE-2026-93222","score":0.00177,"percentile":0.07147,"date":"2026-10-25"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}