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 vga display update in mis-calculated the region for the dirty bitmap snapshot in case split screen mode is used causing a denial of service (assertion failure) in the cpu_physical_memory_snapshot_get_dirty function.
Source:
MITRE
Description Last Modified:
09/11/2017
View Analysis Description
Analysis Description
The vga display update in Qemu 2.8.0 through 2.9.0 mis-calculated the region for the dirty bitmap snapshot in case split screen mode is used causing a denial of service (assertion failure) in the "cpu_physical_memory_snapshot_get_dirty" function.
Source:
MITRE
Description Last Modified:
08/29/2017
Impact
CVSS v3.0 Severity and Metrics:
Base Score:
6.5 MEDIUM
Vector:
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
(V3 legend)
Impact Score:
3.6
Exploitability Score:
2.8
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
Low
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
None
Integrity (I):
None
Availability (A):
High
CVSS v2.0 Severity and Metrics:
Base Score:
4.0 MEDIUM
Vector:
(AV:N/AC:L/Au:S/C:N/I:N/A:P)
(V2 legend)
Impact Subscore:
2.9
Exploitability Subscore:
8.0
Access Vector (AV):
Network
Access Complexity (AC):
Low
Authentication (AU):
Single
Confidentiality (C):
None
Integrity (I):
None
Availability (A):
Partial
Additional Information:
Allows disruption of service
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Change History
6 change records found
- show changes
CVE Modified by MITRE -
4/12/2018 9:29:00 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
https://access.redhat.com/errata/RHSA-2018:1113 [No Types Assigned] |
CVE Modified by MITRE -
4/11/2018 9:29:02 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
https://access.redhat.com/errata/RHSA-2018:1104 [No Types Assigned] |
CVE Modified by MITRE -
9/12/2017 9:29:08 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
http://www.openwall.com/lists/oss-security/2017/09/10/1 [No Types Assigned] |
| Added |
Reference |
|
https://git.qemu.org/gitweb.cgi?p=qemu.git;a=commit;h=bfc56535f793c557aa754c50213fc5f882e6482d [No Types Assigned] |
CVE Modified by MITRE -
9/11/2017 9:29:00 PM
| Action |
Type |
Old Value |
New Value |
| Changed |
Description |
The vga display update in Qemu 2.8.0 through 2.9.0 mis-calculated the region for the dirty bitmap snapshot in case split screen mode is used causing a denial of service (assertion failure) in the "cpu_physical_memory_snapshot_get_dirty" function. |
The vga display update in mis-calculated the region for the dirty bitmap snapshot in case split screen mode is used causing a denial of service (assertion failure) in the cpu_physical_memory_snapshot_get_dirty function. |
Initial Analysis -
9/6/2017 3:15:29 PM
| Action |
Type |
Old Value |
New Value |
| Added |
CPE Configuration |
|
OR
*cpe:2.3:a:qemu:qemu:2.8.0:*:*:*:*:*:*:*
*cpe:2.3:a:qemu:qemu:2.9.0:*:*:*:*:*:*:* |
| Added |
CVSS V2 |
|
(AV:N/AC:L/Au:S/C:N/I:N/A:P) |
| Added |
CVSS V3 |
|
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| Added |
CWE |
|
CWE-20 |
| Changed |
Reference Type |
http://www.securityfocus.com/bid/100527 No Types Assigned |
http://www.securityfocus.com/bid/100527 Third Party Advisory, VDB Entry |
| Changed |
Reference Type |
https://lists.gnu.org/archive/html/qemu-devel/2017-08/msg04685.html No Types Assigned |
https://lists.gnu.org/archive/html/qemu-devel/2017-08/msg04685.html Mailing List, Patch, Third Party Advisory |
CVE Modified by MITRE -
8/31/2017 9:29:33 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
http://www.securityfocus.com/bid/100527 [No Types Assigned] |