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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.36-rc5 ↗
- http://git.kernel.org/?p=linux/kernel/git/davem/net-2.6.git%3Ba=commit%3Bh=7011e660938fc44ed86319c18a5954e95a82ab3e ↗
- http://www.openwall.com/lists/oss-security/2010/09/14/7 ↗
- http://www.openwall.com/lists/oss-security/2010/09/14/2 ↗
- http://www.ubuntu.com/usn/USN-1041-1 ↗
- http://www.redhat.com/support/errata/RHSA-2011-0007.html ↗
- http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html ↗
- http://lkml.org/lkml/2010/9/11/167 ↗
- http://www.vupen.com/english/advisories/2011/0298 ↗
- http://lists.opensuse.org/opensuse-security-announce/2010-10/msg00003.html ↗
- http://secunia.com/advisories/42758 ↗
- http://secunia.com/advisories/42890 ↗
- https://bugzilla.redhat.com/show_bug.cgi?id=633140 ↗
- http://www.securityfocus.com/bid/43226 ↗
- http://www.vupen.com/english/advisories/2011/0070 ↗
- http://secunia.com/advisories/41440 ↗