CVE-2012-4461
Linux Kernel KVM Denial of Service Weak XSAVE Support Vulnerability
Description
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.
INFO
Published Date :
Jan. 22, 2013, 11:55 p.m.
Last Modified :
April 11, 2025, 12:51 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
2.9
Exploitability Score :
3.4
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2012-4461.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2012-4461 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2012-4461 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference http://article.gmane.org/gmane.comp.emulators.kvm.devel/100742 Added Reference http://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git%3Ba=commit%3Bh=6d1068b3a98519247d8ba4ec85cd40ac136dbdf9 Added Reference http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html Added Reference http://rhn.redhat.com/errata/RHSA-2013-0223.html Added Reference http://rhn.redhat.com/errata/RHSA-2013-0882.html Added Reference http://secunia.com/advisories/51160 Added Reference http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.6.9 Added Reference http://www.openwall.com/lists/oss-security/2012/11/06/14 Added Reference http://www.securityfocus.com/bid/56414 Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=862900 Added Reference https://www.suse.com/support/update/announcement/2012/suse-su-20121679-1.html -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Feb. 13, 2023
Action Type Old Value New Value Removed Reference http://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git;a=commit;h=6d1068b3a98519247d8ba4ec85cd40ac136dbdf9 [Patch] Added Reference http://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git%3Ba=commit%3Bh=6d1068b3a98519247d8ba4ec85cd40ac136dbdf9 [No Types Assigned] -
Initial Analysis by [email protected]
Jan. 23, 2013
Action Type Old Value New Value
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2012-4461 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2012-4461
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.09 }} -0.31%
score
0.22786
percentile