1.9 Low
CVSS2
Attack Vector
LOCAL
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:L/AC:M/Au:N/C:P/I:N/A:N
7.2 High
AI Score
Confidence
High
0.0004 Low
EPSS
Percentile
10.1%
The viafb_ioctl_get_viafb_info function in drivers/video/via/ioctl.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 VIAFB_GET_INFO ioctl call.
git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=b4aaa78f4c2f9cde2f335b14f4ca30b01f9651ca
lists.opensuse.org/opensuse-security-announce/2011-01/msg00000.html
lists.opensuse.org/opensuse-security-announce/2011-01/msg00001.html
lists.opensuse.org/opensuse-security-announce/2011-01/msg00004.html
lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html
lkml.indiana.edu/hypermail//linux/kernel/1009.1/03392.html
secunia.com/advisories/42778
secunia.com/advisories/42801
secunia.com/advisories/42890
secunia.com/advisories/42932
www.kernel.org/pub/linux/kernel/v2.6/testing/v2.6.36/ChangeLog-2.6.36-rc5
www.openwall.com/lists/oss-security/2010/09/25/2
www.openwall.com/lists/oss-security/2010/10/06/6
www.openwall.com/lists/oss-security/2010/10/07/1
www.openwall.com/lists/oss-security/2010/10/25/3
www.redhat.com/support/errata/RHSA-2010-0958.html
www.redhat.com/support/errata/RHSA-2011-0007.html
www.securityfocus.com/bid/43817
www.vupen.com/english/advisories/2011/0012
www.vupen.com/english/advisories/2011/0124
www.vupen.com/english/advisories/2011/0298
bugzilla.redhat.com/show_bug.cgi?id=648671