Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 4.4.1 |
Related Weaknesses (CWE)
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5c17c8Vendor Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176464.h
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.h
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00015.html
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html
- http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html
- http://source.android.com/security/bulletin/2016-07-01.html
- http://www.debian.org/security/2016/dsa-3448
- http://www.debian.org/security/2016/dsa-3503
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.h
- http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.htm
- http://www.securityfocus.com/bid/82950
- http://www.securitytracker.com/id/1035695
FAQ
What is CVE-2016-0723?
CVE-2016-0723 is a vulnerability with a CVSS score of 6.8 (MEDIUM). 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 (u...
How severe is CVE-2016-0723?
CVE-2016-0723 has been rated MEDIUM with a CVSS base score of 6.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2016-0723?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.