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CVE-2012-4461

15
FAUCET Score

CVE-2012-4461 describes a denial-of-service vulnerability in the KVM subsystem of the Linux kernel prior to version 3.6.9. A local attacker can trigger a kernel OOPS by manipulating guest CR4 registers via specific KVM ioctls when qemu userspace is used without XSAVE. This vulnerability has a low severity CVSS score of 1.9, indicating a local attack vector with medium complexity and a partial availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.6.8CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
3.6CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:3.6:*:*:*:*:*:*:*
3.6.1CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:3.6.1:*:*:*:*:*:*:*
3.6.2CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:3.6.2:*:*:*:*:*:*:*
3.6.3CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:3.6.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

1.9LOW

AV:L/AC:M/Au:N/C:N/I:N/A:P

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
3.4
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.36%
Probability of exploitation in next 30 days
EPSS Percentile
28.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0036 is in the 59th percentile among its peer group of 747 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: kernel-0:2.6.32-279.22.1.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6.2 EUS - Server and Compute Node OnlyFixed in: kernel-0:2.6.32-220.38.1.el6
View patch

Vendor Advisories (1)

redhatCVE-2012-4461Moderate

kernel: kvm: invalid opcode oops on SET_SREGS with OSXSAVE bit set

Nov 6, 2012

References

article.gmane.org / gmane.comp.emulators.kvm.devel/100742
git.kernel.org
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
bugzilla.redhat.com / show_bug.cgi
secunia.com / advisories/51160
suse.com / support/update/announcement/2012/suse-su-20121679-1.html
kernel.org / pub/linux/kernel/v3.x/ChangeLog-3.6.9
openwall.com / lists/oss-security/2012/11/06/14
securityfocus.com / bid/56414