A terminal ioctl race can escalate privileges
Brief
All supported releases.
Notes
FreeBSD-SA-26:62.tty CVE-2026-58093. Use-after-free / race. Local privilege escalation. Credits: tsune of GMO Cybersecurity by Ierae, Inc., working with TrendAI Zero Day Initiative.
releng/15.1 b936c3417027. releng/15.0 45a190c827e4. releng/14.4 d7883b84b1e1. stable/15 c7cec6fa6e4a, stable/14 6269b9bce0e3. In 15.1-p3, 15.0-p13, and 14.4-p9.
Commit b936c3417027dac6048f6ba10ea58ba104725e4b