Description

The cxgb_extension_ioctl function in drivers/net/cxgb3/cxgb3_main.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 CHELSIO_GET_QSET_NUM ioctl call.

References

http://git.kernel.org/?p=linux/kernel/git/davem/net-2.6.git;a=commit;h=49c37c0334a9b85d30ab3d6b5d1acb05ef2ef6de

http://lists.opensuse.org/opensuse-security-announce/2010-10/msg00003.html

http://lists.opensuse.org/opensuse-security-announce/2010-11/msg00000.html

http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html

http://lkml.org/lkml/2010/9/11/170

http://secunia.com/advisories/41440

http://secunia.com/advisories/42758

http://secunia.com/advisories/42884

http://secunia.com/advisories/46397

http://www.debian.org/security/2010/dsa-2126

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-2011-0017.html

http://www.securityfocus.com/archive/1/520102/100/0/threaded

http://www.securityfocus.com/bid/43221

http://www.ubuntu.com/usn/USN-1041-1

http://www.vmware.com/security/advisories/VMSA-2011-0012.html

http://www.vupen.com/english/advisories/2011/0070

http://www.vupen.com/english/advisories/2011/0298

https://bugzilla.redhat.com/show_bug.cgi?id=633149

Details

Risk Information

CVSS v2