CVE - CVE-2015-0239

CVE-ID
CVE-2015-0239	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
The em_sysenter function in arch/x86/kvm/emulate.c in the Linux kernel before 3.18.5, when the guest OS lacks SYSENTER MSR initialization, allows guest OS users to gain guest OS privileges or cause a denial of service (guest OS crash) by triggering use of a 16-bit code segment for emulation of a SYSENTER instruction.
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:72842 URL:http://www.securityfocus.com/bid/72842 MISC:DSA-3170 URL:http://www.debian.org/security/2015/dsa-3170 MISC:MDVSA-2015:058 URL:~~http://www.mandriva.com/security/advisories?name=MDVSA-2015:058~~ (Obsolete source) MISC:RHSA-2015:1272 URL:http://rhn.redhat.com/errata/RHSA-2015-1272.html MISC:USN-2513-1 URL:http://www.ubuntu.com/usn/USN-2513-1 MISC:USN-2514-1 URL:http://www.ubuntu.com/usn/USN-2514-1 MISC:USN-2515-1 URL:http://www.ubuntu.com/usn/USN-2515-1 MISC:USN-2516-1 URL:http://www.ubuntu.com/usn/USN-2516-1 MISC:USN-2517-1 URL:http://www.ubuntu.com/usn/USN-2517-1 MISC:USN-2518-1 URL:http://www.ubuntu.com/usn/USN-2518-1 MISC:[bk-commits-head] 20150123 KVM: x86: SYSENTER emulation is broken URL:http://permalink.gmane.org/gmane.linux.kernel.commits.head/502245 MISC:[oss-security] 20150127 KVM SYSENTER emulation vulnerability - CVE-2015-0239 URL:http://www.openwall.com/lists/oss-security/2015/01/27/6 MISC:http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=f3747379accba8e95d70cec0eae0582c8c182050 URL:http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=f3747379accba8e95d70cec0eae0582c8c182050 MISC:http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.18.5 URL:http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.18.5 MISC:http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html URL:http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html MISC:http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html URL:http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html MISC:https://bugzilla.redhat.com/show_bug.cgi?id=1186448 URL:https://bugzilla.redhat.com/show_bug.cgi?id=1186448 MISC:https://github.com/torvalds/linux/commit/f3747379accba8e95d70cec0eae0582c8c182050 URL:https://github.com/torvalds/linux/commit/f3747379accba8e95d70cec0eae0582c8c182050
Assigning CNA
Red Hat, Inc.
Date Record Created
20141118	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 (20141118)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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