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CVE-2015-3339

Description

Race condition in the prepare_binprm function in fs/exec.c in the Linux kernel before 3.19.6 allows local users to gain privileges by executing a setuid program at a time instant when a chown to root is in progress, and the ownership is changed but the setuid bit is not yet stripped.

POC

Reference

- http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html

- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html

Github

No PoCs found on GitHub currently.