CVE - CVE-2012-0045

CVE-ID
CVE-2012-0045	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
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.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:SUSE-SU-2012:0616 URL:http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00013.html MISC:[oss-security] 20120111 Re: CVE request -- kernel: kvm: syscall instruction induced guest panic URL:http://www.openwall.com/lists/oss-security/2012/01/12/2 MISC:http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=c2226fc9e87ba3da060e47333657cd6616652b84 URL:http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=c2226fc9e87ba3da060e47333657cd6616652b84 MISC:http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.14 URL:http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.14 MISC:https://bugzilla.redhat.com/show_bug.cgi?id=773370 URL:https://bugzilla.redhat.com/show_bug.cgi?id=773370 MISC:https://github.com/torvalds/linux/commit/c2226fc9e87ba3da060e47333657cd6616652b84 URL:https://github.com/torvalds/linux/commit/c2226fc9e87ba3da060e47333657cd6616652b84
Assigning CNA
Red Hat, Inc.
Date Record Created
20111207	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20111207)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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