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.
CVE-2012-4461
- No confirmed exploitation signals yet
A fix is available — apply it.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 27.7%
- KEV
- Not listed
Published
January 22, 2013
Last Modified
April 29, 2026
References (22)
- secalert@redhathttp://article.gmane.org/gmane.comp.emulators.kvm.devel/100742
- secalert@redhathttp://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git%3Ba=commit%3Bh=6d1068b3a98519247d8ba4ec85cd40ac136dbdf9
- secalert@redhathttp://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html
- secalert@redhathttp://rhn.redhat.com/errata/RHSA-2013-0223.html
- secalert@redhathttp://rhn.redhat.com/errata/RHSA-2013-0882.html
- secalert@redhathttp://secunia.com/advisories/51160
- secalert@redhathttp://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.6.9
- secalert@redhathttp://www.openwall.com/lists/oss-security/2012/11/06/14
- secalert@redhathttp://www.securityfocus.com/bid/56414
- secalert@redhathttps://bugzilla.redhat.com/show_bug.cgi?id=862900
- secalert@redhathttps://www.suse.com/support/update/announcement/2012/suse-su-20121679-1.html
- af854a3a-2127-422b-91ae-364da2661108http://article.gmane.org/gmane.comp.emulators.kvm.devel/100742
- af854a3a-2127-422b-91ae-364da2661108http://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git%3Ba=commit%3Bh=6d1068b3a98519247d8ba4ec85cd40ac136dbdf9
- af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html
- af854a3a-2127-422b-91ae-364da2661108http://rhn.redhat.com/errata/RHSA-2013-0223.html
Patch Availability(7)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | linux-image-3.5.0-22-generic (3.5.0-22.34~precise1) @ precise | 2026-05-29 | ubuntu |
| ubuntu | linux-image-3.0.0-30-generic-pae (3.0.0-30.47~lucid1) @ lucid | 2026-05-29 | ubuntu |
| ubuntu | linux-image-3.5.0-22-highbank (3.5.0-22.34) @ quantal | 2026-05-29 | ubuntu |
| ubuntu | linux-image-3.2.0-36-generic (3.2.0-36.57) @ precise | 2026-05-29 | ubuntu |
| ubuntu | linux-image-3.0.0-30-generic (3.0.0-30.47) @ oneiric | 2026-05-29 | ubuntu |
| redhat | kernel-0:2.6.32-220.38.1.el6 | 2013-05-30 | redhat |
| redhat | kernel-0:2.6.32-279.22.1.el6 | 2013-02-05 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
All Vendor Advisories
(7)
Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.
- Red HatRHSA-2013:0223MODERATE2012-11-06
RHSA-2013:0223 — Moderate
- Red HatRHSA-2013:0882MODERATE2012-11-06
RHSA-2013:0882 — Moderate
- UbuntuUSN-1688-1MEDIUM
Linux kernel (Oneiric backport) vulnerabilities
- UbuntuUSN-1689-1MEDIUM
Linux kernel vulnerabilities
- UbuntuUSN-1696-1MEDIUM
Linux kernel vulnerabilities
- UbuntuUSN-1699-1MEDIUM
Linux kernel vulnerabilities
- UbuntuUSN-1704-1MEDIUM
Linux kernel (Quantal HWE) vulnerabilities
Data Freshness Timeline
(refreshed 10× in last 7d / 45× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-06 16:23 UTCEPSS rescore
- 2026-07-06 02:19 UTCEPSS rescore
- 2026-07-06 02:19 UTCEPSS rescore
- 2026-07-05 09:59 UTCOSV refresh
- 2026-07-05 02:26 UTCEPSS rescore
- 2026-07-04 06:27 UTCEPSS rescore
- 2026-07-02 14:01 UTCEPSS rescore
- 2026-07-01 15:02 UTCEPSS rescore
- 2026-06-30 23:19 UTCEPSS rescore
- 2026-06-30 23:19 UTCEPSS rescore
- 2026-06-29 14:02 UTCEPSS rescore
- 2026-06-28 14:03 UTCEPSS rescore
- 2026-06-28 04:53 UTCEPSS rescore
- 2026-06-28 04:53 UTCEPSS rescore
- 2026-06-27 03:05 UTCEPSS rescore
- 2026-06-27 03:05 UTCEPSS rescore
- 2026-06-25 13:46 UTCEPSS rescore
- 2026-06-25 13:46 UTCEPSS rescore
- 2026-06-24 14:02 UTCEPSS rescore
- 2026-06-24 14:02 UTCEPSS rescore
- 2026-06-23 21:30 UTCEPSS rescore
- 2026-06-22 14:22 UTCEPSS rescore
- 2026-06-22 14:22 UTCEPSS rescore
- 2026-06-21 14:53 UTCEPSS rescore
- 2026-06-21 01:56 UTCEPSS rescore
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- 2026-06-21 01:56 UTCEPSS rescore
- 2026-06-19 19:22 UTCEPSS rescore
- 2026-06-19 19:22 UTCEPSS rescore
- 2026-06-18 17:49 UTCEPSS rescore
- 2026-06-18 17:49 UTCEPSS rescore
- 2026-06-17 17:49 UTCEPSS rescore
- 2026-06-17 17:49 UTCEPSS rescore
- 2026-06-16 21:13 UTCOSV refresh
- 2026-06-16 17:49 UTCEPSS rescore
- 2026-06-16 17:49 UTCEPSS rescore
- 2026-06-15 17:44 UTCEPSS rescore
- 2026-06-14 23:14 UTCEPSS rescore
- 2026-06-14 23:14 UTCEPSS rescore
- 2026-06-13 22:57 UTCEPSS rescore
- 2026-06-12 23:08 UTCEPSS rescore
- 2026-06-11 13:56 UTCEPSS rescore
- 2026-06-10 22:14 UTCEPSS rescore
- 2026-06-10 13:18 UTCEPSS rescore
- 2026-06-08 14:14 UTCEPSS rescore
- 2026-06-08 14:14 UTCEPSS rescore
- 2026-06-07 15:22 UTCEPSS rescore
- 2026-06-07 15:22 UTCEPSS rescore
- 2026-06-06 13:45 UTCEPSS rescore
- 2026-06-06 13:45 UTCEPSS rescore
- 2026-06-05 22:44 UTCEPSS rescore
- 2026-06-05 22:44 UTCEPSS rescore
- 2026-06-05 06:08 UTCEPSS rescore
- 2026-06-05 06:08 UTCEPSS rescore
- 2026-06-04 13:09 UTCEPSS rescore
- 2026-06-02 20:10 UTCEPSS rescore
- 2026-06-02 20:10 UTCEPSS rescore
- 2026-06-01 13:49 UTCEPSS rescore
- 2026-05-31 00:14 UTCEPSS rescore
- 2026-05-31 00:14 UTCEPSS rescore
- 2026-05-29 13:41 UTCEPSS rescore
- 2026-05-29 01:14 UTCEG score recompute
- 2026-05-29 01:14 UTCVendor advisory
- 2026-05-29 01:14 UTCGHSA enrichment
- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-27 13:38 UTCEPSS rescore
- 2026-05-27 13:38 UTCEPSS rescore
- 2026-05-26 13:41 UTCEPSS rescore
- 2026-05-26 13:41 UTCEPSS rescore
- 2026-05-26 08:46 UTCOSV refresh
- 2026-05-26 07:16 UTCEPSS rescore
- 2026-05-26 07:16 UTCEPSS rescore
- 2026-05-26 07:16 UTCEPSS rescore
- 2026-05-24 16:43 UTCEPSS rescore
- 2026-05-22 21:15 UTCEPSS rescore
- 2026-05-22 21:15 UTCEPSS rescore
- 2026-05-22 21:15 UTCEPSS rescore
- 2026-05-21 22:39 UTCEPSS rescore
- 2026-05-20 22:37 UTCEPSS rescore
- 2026-05-20 22:37 UTCEPSS rescore
- 2026-05-20 22:37 UTCEPSS rescore
- 2026-05-20 11:21 UTCEPSS rescore
- 2026-05-20 11:21 UTCEPSS rescore
- 2026-05-20 11:21 UTCEPSS rescore
- 2026-05-18 21:29 UTCEPSS rescore
- 2026-05-18 21:29 UTCEPSS rescore
Frequently asked(4)
What is CVE-2012-4461?
When was CVE-2012-4461 disclosed?
Is CVE-2012-4461 actively exploited?
How do I remediate CVE-2012-4461?
Dependency Blast Radius
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