CVE-2015-0239 | BDVDB-2026-68268 Detail
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.
Impact#
No impact statement in the source data.
Weaknesses#
No weakness recorded in the source data.
References#
- http://www.ubuntu.com/usn/USN-2515-1
- http://www.debian.org/security/2015/dsa-3170
- http://www.securityfocus.com/bid/72842
- http://www.openwall.com/lists/oss-security/2015/01/27/6
- https://bugzilla.redhat.com/show_bug.cgi?id=1186448
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=f3747379accba8e95d70cec0eae0582c8c182050
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
- https://github.com/torvalds/linux/commit/f3747379accba8e95d70cec0eae0582c8c182050
- http://www.ubuntu.com/usn/USN-2514-1
- http://www.ubuntu.com/usn/USN-2518-1
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.18.5
- http://www.mandriva.com/security/advisories?name=MDVSA-2015:058
- http://permalink.gmane.org/gmane.linux.kernel.commits.head/502245
- http://www.ubuntu.com/usn/USN-2517-1
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.