Vulnerability Details : CVE-2016-9756
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.
Vulnerability category: Information leak
Products affected by CVE-2016-9756
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2016-9756
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 6 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2016-9756
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
2.1
|
LOW | AV:L/AC:L/Au:N/C:P/I:N/A:N |
3.9
|
2.9
|
NIST | |
|
5.5
|
MEDIUM | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2016-9756
-
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.Assigned by: nvd@nist.gov (Primary)
References for CVE-2016-9756
-
https://github.com/torvalds/linux/commit/2117d5398c81554fbf803f5fd1dc55eb78216c0c
KVM: x86: drop error recovery in em_jmp_far and em_ret_far · torvalds/linux@2117d53 · GitHubPatch;Vendor Advisory
-
http://www.securityfocus.com/bid/94615
Linux Kernel 'kvm/emulate.c' Information Disclosure Vulnerability
-
http://www.openwall.com/lists/oss-security/2016/12/01/1
oss-security - CVE request: Kernel: kvm: stack memory information leakageMailing List;Patch
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http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2117d5398c81554fbf803f5fd1dc55eb78216c0c
kernel/git/torvalds/linux.git - Linux kernel source treePatch;Vendor Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2017-01/msg00000.html
[security-announce] openSUSE-SU-2017:0002-1: important: Security update
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https://bugzilla.redhat.com/show_bug.cgi?id=1400468
1400468 – (CVE-2016-9756) CVE-2016-9756 Kernel: kvm: stack memory information leakageIssue Tracking
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http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.12
Release Notes
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