CVE-2016-9756

low-risk
Published 2016-12-28

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.

Do I need to act?

-
0.03% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.5/10 Medium
LOCAL / LOW complexity

Affected Products (1)

Affected Vendors

Linux

References (14)

Patch http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2117d5...
http://lists.opensuse.org/opensuse-security-announce/2017-01/msg00000.html
Release Notes http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.12
Mailing List http://www.openwall.com/lists/oss-security/2016/12/01/1
http://www.securityfocus.com/bid/94615
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1400468
Patch https://github.com/torvalds/linux/commit/2117d5398c81554fbf803f5fd1dc55eb78216c0...
Patch http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2117d5...
http://lists.opensuse.org/opensuse-security-announce/2017-01/msg00000.html
Release Notes http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.12
Mailing List http://www.openwall.com/lists/oss-security/2016/12/01/1
http://www.securityfocus.com/bid/94615
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1400468
Patch https://github.com/torvalds/linux/commit/2117d5398c81554fbf803f5fd1dc55eb78216c0...
23
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal