CVE-2010-4080 Information

Description

The snd_hdsp_hwdep_ioctl function in sound/pci/rme9652/hdsp.c in the Linux kernel before 2.6.36-rc6 does not initialize a certain structure which allows local users to obtain potentially sensitive information from kernel stack memory via an SNDRV_HDSP_IOCTL_GET_CONFIG_INFO ioctl call.

Reference

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=e68d3b316ab7b02a074edc4f770e6a746390cb7d http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00004.html http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00000.html http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00001.html http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html http://lkml.org/lkml/2010/9/25/41 http://secunia.com/advisories/42778 http://secunia.com/advisories/42801 http://secunia.com/advisories/42884 http://secunia.com/advisories/42890 http://secunia.com/advisories/42963 http://secunia.com/advisories/46397 http://www.debian.org/security/2010/dsa-2126 http://www.kernel.org/pub/linux/kernel/v2.6/testing/v2.6.36/ChangeLog-2.6.36-rc6 http://www.openwall.com/lists/oss-security/2010/09/25/2 http://www.openwall.com/lists/oss-security/2010/10/06/6 http://www.openwall.com/lists/oss-security/2010/10/07/1 http://www.openwall.com/lists/oss-security/2010/10/25/3 http://www.redhat.com/support/errata/RHSA-2010-0958.html http://www.redhat.com/support/errata/RHSA-2011-0007.html http://www.redhat.com/support/errata/RHSA-2011-0017.html http://www.redhat.com/support/errata/RHSA-2011-0162.html http://www.securityfocus.com/archive/1/520102/100/0/threaded http://www.securityfocus.com/bid/45058 http://www.securityfocus.com/bid/45063 http://www.vmware.com/security/advisories/VMSA-2011-0012.html http://www.vupen.com/english/advisories/2011/0012 http://www.vupen.com/english/advisories/2011/0168 http://www.vupen.com/english/advisories/2011/0298 https://bugzilla.redhat.com/show_bug.cgi?id=648669