6.9 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:M/Au:N/C:C/I:C/A:C
The kernel is vulnerable to denial of service (DoS). Due to flaws in the AGPGART driver implementation when handling certain IOCTL commands, it allows a local user to cause a denial of service or escalate their privileges.
git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=194b3da873fd334ef183806db751473512af29ce
git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=194b3da873fd334ef183806db751473512af29ce
openwall.com/lists/oss-security/2011/04/21/4
openwall.com/lists/oss-security/2011/04/22/7
rhn.redhat.com/errata/RHSA-2011-0927.html
www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.38.5
www.securityfocus.com/bid/47534
access.redhat.com/errata/RHSA-2011:1350
access.redhat.com/security/updates/classification/#important
bugzilla.redhat.com/show_bug.cgi?id=698996
docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/6/html/6.1_Technical_Notes/kernel.html#RHSA-2011-1350
lkml.org/lkml/2011/4/14/293
rhn.redhat.com/errata/RHSA-2011-1241.html