The posix_spawn system call in the XNU kernel in Apple Mac OS X 10.8.x does not prevent use of the _POSIX_SPAWN_DISABLE_ASLR and _POSIX_SPAWN_ALLOW_DATA_EXEC flags for setuid and setgid programs, which allows local users to bypass intended access restrictions via a wrapper program that calls the posix_spawnattr_setflags function.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Apple Osx Kernel | — | Upgrade macOS to the latest version | Jun 25, 2026 | Sep 12, 2013 |
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