cve/2016/CVE-2016-0723.md

CVE-2016-0723

Description

Race condition in the tty_ioctl function in drivers/tty/tty_io.c in the Linux kernel through 4.4.1 allows local users to obtain sensitive information from kernel memory or cause a denial of service (use-after-free and system crash) by making a TIOCGETD ioctl call during processing of a TIOCSETD ioctl call.

POC

Reference

• http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
• http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html
• http://www.ubuntu.com/usn/USN-2930-2
• http://www.ubuntu.com/usn/USN-2948-2

Github

No PoCs found on GitHub currently.