CVE-2013-1774 Information

Description

The chase_port function in drivers/usb/serial/io_ti.c in the Linux kernel before 3.7.4 allows local users to cause a denial of service (NULL pointer dereference and system crash) via an attempted /dev/ttyUSB read or write operation on a disconnected Edgeport USB serial converter.

Reference

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=1ee0a224bc9aad1de496c795f96bc6ba2c394811 http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00018.html http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html http://lists.opensuse.org/opensuse-security-announce/2013-07/msg00016.html http://lists.opensuse.org/opensuse-security-announce/2013-09/msg00004.html http://rhn.redhat.com/errata/RHSA-2013-0744.html http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.7.4 http://www.openwall.com/lists/oss-security/2013/02/27/29 http://www.ubuntu.com/usn/USN-1805-1 http://www.ubuntu.com/usn/USN-1808-1 http://xorl.wordpress.com/2013/05/18/cve-2013-1774-linux-kernel-edgeport-usb-serial-converter-null-pointer-dereference/ https://bugzilla.redhat.com/show_bug.cgi?id=916191 https://github.com/torvalds/linux/commit/1ee0a224bc9aad1de496c795f96bc6ba2c394811