CVE-2016-0723

Summary

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.

Affected Software

Weaknesses

• n/a

ADP Enrichment

CVE Program Container

Additional References

• https://security-tracker.debian.org/tracker/CVE-2016-0723
• http://www.ubuntu.com/usn/USN-2930-1
• http://www.ubuntu.com/usn/USN-2967-1
• http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
• https://bugzilla.redhat.com/show_bug.cgi?id=1296253
• http://www.ubuntu.com/usn/USN-2930-2
• http://www.debian.org/security/2016/dsa-3503
• http://www.ubuntu.com/usn/USN-2967-2
• http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.html
• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5c17c861a357e9458001f021a7afa7aab9937439
• http://www.ubuntu.com/usn/USN-2930-3
• http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html
• http://source.android.com/security/bulletin/2016-07-01.html
• http://www.ubuntu.com/usn/USN-2929-1
• http://www.ubuntu.com/usn/USN-2932-1
• http://www.securityfocus.com/bid/82950
• http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.html
• http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html
• http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html
• http://www.securitytracker.com/id/1035695
• http://www.ubuntu.com/usn/USN-2948-1
• http://www.debian.org/security/2016/dsa-3448
• http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00015.html
• http://www.ubuntu.com/usn/USN-2929-2
• https://github.com/torvalds/linux/commit/5c17c861a357e9458001f021a7afa7aab9937439
• http://www.ubuntu.com/usn/USN-2948-2
• http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176464.html
• http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html
• https://support.f5.com/csp/article/K43650115

References

• https://security-tracker.debian.org/tracker/CVE-2016-0723
• http://www.ubuntu.com/usn/USN-2930-1
• http://www.ubuntu.com/usn/USN-2967-1
• http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
• https://bugzilla.redhat.com/show_bug.cgi?id=1296253
• http://www.ubuntu.com/usn/USN-2930-2
• http://www.debian.org/security/2016/dsa-3503
• http://www.ubuntu.com/usn/USN-2967-2
• http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.html
• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5c17c861a357e9458001f021a7afa7aab9937439
• http://www.ubuntu.com/usn/USN-2930-3
• http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html
• http://source.android.com/security/bulletin/2016-07-01.html
• http://www.ubuntu.com/usn/USN-2929-1
• http://www.ubuntu.com/usn/USN-2932-1
• http://www.securityfocus.com/bid/82950
• http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.html
• http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html
• http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html
• http://www.securitytracker.com/id/1035695
• http://www.ubuntu.com/usn/USN-2948-1
• http://www.debian.org/security/2016/dsa-3448
• http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00015.html
• http://www.ubuntu.com/usn/USN-2929-2
• https://github.com/torvalds/linux/commit/5c17c861a357e9458001f021a7afa7aab9937439
• http://www.ubuntu.com/usn/USN-2948-2
• http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176464.html
• http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html
• https://support.f5.com/csp/article/K43650115

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