Threats Tagged 'cve-2026-45256'
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Threats Tagged 'cve-2026-45256'
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GHSA-hvc9-hvw8-q2fxCVE-2026-45256 0 A vulnerability exists in the thr_kill2(2) system call where the permission check result from p_cansignal() is ignored before delivering a signal to a specific thread. This allows an unprivileged local user to send signals to processes they normally cannot signal, including those owned by other users or root. The flaw bypasses jail boundaries, enabling signaling across jails or the host. Exploitation can lead to denial of service by stopping or terminating arbitrary processes, including critical system daemons. Join the discussion | GCVE Database | 06/26/2026, 15:32:15 UTC Added: 06/26/2026, 22:05:03 UTC |
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