PT-2026-60562

A time-of-check to time-of-use TOCTOU flaw in the illumos data-link pseudo-driver dld affects handling of the DLDIOC GETMACPROP and DLDIOC SETMACPROP ioctls on /dev/dld. drv ioc prop common in usr/src/uts/common/io/dld/dld drv.c copies the dld ioc macprop t ioctl header in once to read its pr...