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 severity
Medium
See what this means
CVSS v3 Base Score
4.0
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

References

FAQs regarding Amazon Linux ALAS/CVE Severity Red Hat: CVE-2012-0045 Mitre: CVE-2012-0045