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CVE-2015-8555
CVE information
Published
Last Modified
CVSSv2.0 Severity
CVSSv3.1 Severity
Impact Analysis
Description
Xen 4.6.x, 4.5.x, 4.4.x, 4.3.x, and earlier do not initialize x86 FPU stack and XMM registers when XSAVE/XRSTOR are not used to manage guest extended register state, which allows local guest domains to obtain sensitive information from other domains via unspecified vectors..
CVSSv2.0 Score
- Severity
- Medium
- Base Score
- 5/10
- Exploit Score
- 10/10
- Access Vector
- Network
- Access Complexity
- Low
- Authentication Required
- None
- Impact Score
- 2.9/10
- Confidentiality Impact
- Partial
- Availability Impact
- None
- Integrity Impact
- None
CVSSv3.1 Score
- Severity
- High
- Base Score
- 8.6/10
- Exploit Score
- 3.9/10
- Access Vector
- Network
- Access Complexity
- Low
- Privileges Required
- None
- Impact Score
- 4/10
- Confidentiality Impact
- High
- Availability Impact
- None
- Integrity Impact
- None
- Scope
- Changed
- User Interaction
- None
Products Affected
CPE | Affected | Vulnerable | Excluding | Edit |
---|---|---|---|---|
cpe:2.3:a:citrix:xenserver:6.0:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:xen:xen:4.3.2:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:xen:xen:4.6.0:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:xen:xen:4.3.3:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:xen:xen:4.3.0:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:xen:xen:4.5.2:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:xen:xen:4.4.2:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:xen:xen:4.4.4:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:xen:xen:4.4.3:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:xen:xen:4.6.1:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:xen:xen:4.5.3:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:xen:xen:4.3.4:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:xen:xen:4.5.1:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:xen:xen:4.4.1:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:xen:xen:4.3.1:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:xen:xen:4.5.0:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:xen:xen:4.4.0:*:*:*:*:*:*:* |
Yes
|
- | - |
References
- http://www.securitytracker.com/id/1034477
- http://www.securityfocus.com/bid/79543
- http://xenbits.xen.org/xsa/advisory-165.html
- http://support.citrix.com/article/CTX203879
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
- http://www.debian.org/security/2016/dsa-3519
- https://security.gentoo.org/glsa/201604-03