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CVE-2015-7970
CVE information
Published
Last Modified
CVSSv2.0 Severity
Impact Analysis
Description
The p2m_pod_emergency_sweep function in arch/x86/mm/p2m-pod.c in Xen 3.4.x, 3.5.x, and 3.6.x is not preemptible, which allows local x86 HVM guest administrators to cause a denial of service (CPU consumption and possibly reboot) via crafted memory contents that triggers a "time-consuming linear scan," related to Populate-on-Demand..
CVSSv2.0 Score
- Severity
- Medium
- Base Score
- 4.9/10
- Exploit Score
- 3.9/10
- Access Vector
- Local
- Access Complexity
- Low
- Authentication Required
- None
- Impact Score
- 6.9/10
- Confidentiality Impact
- None
- Availability Impact
- Complete
- Integrity Impact
- None
Products Affected
CPE | Affected | Vulnerable | Excluding | Edit |
---|---|---|---|---|
cpe:2.3:o:xen:xen:3.4.0:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:xen:xen:3.4.4:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:xen:xen:3.4.3:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:xen:xen:3.4.2:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:xen:xen:3.4.1:*:*:*:*:*:*:* |
Yes
|
- | - |
References
- http://xenbits.xen.org/xsa/advisory-150.html
- http://www.securityfocus.com/bid/77362
- http://support.citrix.com/article/CTX202404
- http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171249.html
- http://www.securitytracker.com/id/1034034
- http://www.debian.org/security/2015/dsa-3414
- http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171185.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171082.html
- http://lists.opensuse.org/opensuse-updates/2015-12/msg00053.html
- https://security.gentoo.org/glsa/201604-03