CVE-2015-7970
Last modified
CVE-2015-7970 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 0.44% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Xen | Xen | 3.4.0 |
| Xen | Xen | 3.4.1 |
| Xen | Xen | 3.4.2 |
| Xen | Xen | 3.4.3 |
| Xen | Xen | 3.4.4 |
References
- http://xenbits.xen.org/xsa/advisory-150.htmlVendor Advisory
- http://xenbits.xen.org/xsa/advisory-150.htmlVendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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