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.
Advisories
Source ID Title
Debian DSA Debian DSA DSA-2443-1 linux-2.6 security update
EUVD EUVD EUVD-2012-0085 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.
Ubuntu USN Ubuntu USN USN-1421-1 Linux kernel (Maverick backport) vulnerabilities
Ubuntu USN Ubuntu USN USN-1422-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-1425-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-1426-1 Linux kernel (EC2) vulnerabilities
Ubuntu USN Ubuntu USN USN-1431-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-1433-1 Linux kernel (Oneiric backport) vulnerabilities
Ubuntu USN Ubuntu USN USN-1440-1 Linux kernel (Natty backport) vulnerabilities
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

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Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-08-06T18:09:17.222Z

Reserved: 2011-12-07T00:00:00

Link: CVE-2012-0045

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2012-07-03T16:40:31.397

Modified: 2025-04-11T00:51:21.963

Link: CVE-2012-0045

cve-icon Redhat

Severity : Moderate

Publid Date: 2011-12-29T00:00:00Z

Links: CVE-2012-0045 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses