PRIOn knowledge basePRION:CVE-2012-4461Design/Logic Flaw
6.4 Medium
AI Score
Confidence
High
1.9 Low
CVSS2
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:L/AC:M/Au:N/C:N/I:N/A:P
0.0004 Low
EPSS
Percentile
5.4%
The KVM subsystem in the Linux kernel before 3.6.9, when running on hosts that use qemu userspace without XSAVE, allows local users to cause a denial of service (kernel OOPS) by using the KVM_SET_SREGS ioctl to set the X86_CR4_OSXSAVE bit in the guest cr4 register, then calling the KVM_RUN ioctl.
| CPE | Name | Operator | Version |
|---|---|---|---|
| linux_kernel | eq | 3.6.7 | |
| linux_kernel | eq | 3.6.2 | |
| linux_kernel | eq | 3.6.6 | |
| linux_kernel | le | 3.6.8 | |
| linux_kernel | eq | 3.6.4 | |
| linux_kernel | eq | 3.6.1 | |
| linux_kernel | eq | 3.6 | |
| linux_kernel | eq | 3.6.3 | |
| linux_kernel | eq | 3.6.5 |
References
article.gmane.org/gmane.comp.emulators.kvm.devel/100742
git.kernel.org/?p=linux/kernel/git/torvalds/linux.git%3Ba=commit%3Bh=6d1068b3a98519247d8ba4ec85cd40ac136dbdf9
lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html
rhn.redhat.com/errata/RHSA-2013-0223.html
rhn.redhat.com/errata/RHSA-2013-0882.html
secunia.com/advisories/51160
www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.6.9
www.openwall.com/lists/oss-security/2012/11/06/14
www.securityfocus.com/bid/56414
bugzilla.redhat.com/show_bug.cgi?id=862900
www.suse.com/support/update/announcement/2012/suse-su-20121679-1.html
Related
6.4 Medium
AI Score
Confidence
High
1.9 Low
CVSS2
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:L/AC:M/Au:N/C:N/I:N/A:P
0.0004 Low
EPSS
Percentile
5.4%