CVE-2012-0045
Public on 2012-03-16
Modified on 2014-09-14
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.
Severity
Medium
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 1 | kernel | 2012-03-16 | ALAS-2012-55 | Fixed |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv2 | 4.0 | AV:L/AC:H/Au:N/C:N/I:N/A:C |
| NVD | CVSSv2 | 4.7 | AV:L/AC:M/Au:N/C:N/I:N/A:C |