{"cve":"CVE-2012-4461","nvd":{"published":"2013-01-22T23:55:02.730","modified":"2026-06-16T23:45:08.687","status":"Modified","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.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["http://article.gmane.org/gmane.comp.emulators.kvm.devel/100742","http://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git%3Ba=commit%3Bh=6d1068b3a98519247d8ba4ec85cd40ac136dbdf9","http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html","http://rhn.redhat.com/errata/RHSA-2013-0223.html","http://rhn.redhat.com/errata/RHSA-2013-0882.html"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T20:27:27.940201468+00:00"},"epss":{"cve":"CVE-2012-4461","score":0.00356,"percentile":0.29363,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}