CVE-2016-9756 Information

Description

arch/x86/kvm/emulate.c in the Linux kernel before 4.8.12 does not properly initialize Code Segment (CS) in certain error cases which allows local users to obtain sensitive information from kernel stack memory via a crafted application.

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Reference

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2117d5398c81554fbf803f5fd1dc55eb78216c0c http://lists.opensuse.org/opensuse-security-announce/2017-01/msg00000.html http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.12 http://www.openwall.com/lists/oss-security/2016/12/01/1 http://www.securityfocus.com/bid/94615 https://bugzilla.redhat.com/show_bug.cgi?id=1400468 https://github.com/torvalds/linux/commit/2117d5398c81554fbf803f5fd1dc55eb78216c0c

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

5.5