{"cve":"CVE-2012-0045","nvd":{"published":"2012-07-03T16:40:31.397","modified":"2026-06-16T23:36:33.930","status":"Modified","description":"The em_syscall function in arch/x86/kvm/emulate.c in the KVM implementation in the Linux kernel before 3.2.14 does not properly handle the 0f05 (aka syscall) opcode, which allows guest OS users to cause a denial of service (guest OS crash) via a crafted application, as demonstrated by an NASM file.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=c2226fc9e87ba3da060e47333657cd6616652b84","http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00013.html","http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.14","http://www.openwall.com/lists/oss-security/2012/01/12/2","https://bugzilla.redhat.com/show_bug.cgi?id=773370"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T20:24:00.973572543+00:00"},"epss":{"cve":"CVE-2012-0045","score":0.01014,"percentile":0.63275,"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."]}