CVE-2017-2596 Detail
Modified
This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.
Current Description
The nested_vmx_check_vmptr function in arch/x86/kvm/vmx.c in the Linux kernel through 4.9.8 improperly emulates the VMXON instruction, which allows KVM L1 guest OS users to cause a denial of service (host OS memory consumption) by leveraging the mishandling of page references.
Source:
MITRE
Description Last Modified:
02/06/2017
View Analysis Description
Analysis Description
The nested_vmx_check_vmptr function in arch/x86/kvm/vmx.c in the Linux kernel through 4.9.8 improperly emulates the VMXON instruction, which allows KVM L1 guest OS users to cause a denial of service (host OS memory consumption) by leveraging the mishandling of page references.
Source:
MITRE
Description Last Modified:
02/06/2017
Impact
CVSS v3.0 Severity and Metrics:
Base Score:
6.5 MEDIUM
Vector:
AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
(V3 legend)
Impact Score:
4.0
Exploitability Score:
2.0
Attack Vector (AV):
Local
Attack Complexity (AC):
Low
Privileges Required (PR):
Low
User Interaction (UI):
None
Scope (S):
Changed
Confidentiality (C):
None
Integrity (I):
None
Availability (A):
High
CVSS v2.0 Severity and Metrics:
Base Score:
4.9 MEDIUM
Vector:
(AV:L/AC:L/Au:N/C:N/I:N/A:C)
(V2 legend)
Impact Subscore:
6.9
Exploitability Subscore:
3.9
Access Vector (AV):
Local
Access Complexity (AC):
Low
Authentication (AU):
None
Confidentiality (C):
None
Integrity (I):
None
Availability (A):
Complete
Additional Information:
Allows disruption of service
References to Advisories, Solutions, and Tools
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Change History
4 change records found
- show changes
CVE Modified by MITRE -
1/4/2018 9:31:29 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
https://access.redhat.com/errata/RHSA-2017:1842 [No Types Assigned] |
| Added |
Reference |
|
https://access.redhat.com/errata/RHSA-2017:2077 [No Types Assigned] |
CVE Modified by MITRE -
11/3/2017 9:29:37 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
http://www.debian.org/security/2017/dsa-3791 [No Types Assigned] |
Initial Analysis -
2/7/2017 2:33:37 PM
| Action |
Type |
Old Value |
New Value |
| Added |
CPE Configuration |
|
OR
*cpe:2.3:o:linux:linux_kernel:4.9.8:*:*:*:*:*:*:* (and previous) |
| Added |
CVSS V2 |
|
(AV:L/AC:L/Au:N/C:N/I:N/A:C) |
| Added |
CVSS V3 |
|
AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H |
| Added |
CWE |
|
CWE-399 |
| Changed |
Reference Type |
http://www.openwall.com/lists/oss-security/2017/01/31/4 No Types Assigned |
http://www.openwall.com/lists/oss-security/2017/01/31/4 Third Party Advisory, Mailing List, Patch |
| Changed |
Reference Type |
http://www.securityfocus.com/bid/95878 No Types Assigned |
http://www.securityfocus.com/bid/95878 Third Party Advisory, VDB Entry |
| Changed |
Reference Type |
https://bugzilla.redhat.com/show_bug.cgi?id=1417812 No Types Assigned |
https://bugzilla.redhat.com/show_bug.cgi?id=1417812 Issue Tracking, Patch |
CVE Modified by MITRE -
2/6/2017 9:59:03 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
http://www.securityfocus.com/bid/95878 [No Types Assigned] |
Quick Info
CVE Dictionary Entry:
CVE-2017-2596
NVD Published Date:
02/06/2017
NVD Last Modified:
01/04/2018
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