CVE-2010-3298 Information

Description

The hso_get_count function in drivers/net/usb/hso.c in the Linux kernel before 2.6.36-rc5 does not properly initialize a certain structure member which allows local users to obtain potentially sensitive information from kernel stack memory via a TIOCGICOUNT ioctl call.

Reference

http://git.kernel.org/?p=linux/kernel/git/davem/net-2.6.git;a=commit;h=7011e660938fc44ed86319c18a5954e95a82ab3e http://lists.opensuse.org/opensuse-security-announce/2010-10/msg00003.html http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html http://lkml.org/lkml/2010/9/11/167 http://secunia.com/advisories/41440 http://secunia.com/advisories/42758 http://secunia.com/advisories/42890 http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.36-rc5 http://www.openwall.com/lists/oss-security/2010/09/14/2 http://www.openwall.com/lists/oss-security/2010/09/14/7 http://www.redhat.com/support/errata/RHSA-2011-0007.html http://www.securityfocus.com/bid/43226 http://www.ubuntu.com/usn/USN-1041-1 http://www.vupen.com/english/advisories/2011/0070 http://www.vupen.com/english/advisories/2011/0298 https://bugzilla.redhat.com/show_bug.cgi?id=633140