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CVE-2015-2756
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MITRE ATT&CK
Collection
Command and Control
Credential Access
Defense Evasion
Discovery
Execution
Exfiltration
Impact
Initial Access
Lateral Movement
Persistence
Privilege Escalation
Topic Tags
Description
QEMU, as used in Xen 3.3.x through 4.5.x, does not properly restrict access to PCI command registers, which might allow local HVM guest users to cause a denial of service (non-maskable interrupt and host crash) by disabling the (1) memory or (2) I/O decoding for a PCI Express device and then accessing the device, which triggers an Unsupported Request (UR) response.
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CVSS V3 Severity and Metrics
General Information
Vendors
- canonical,
- debian,
- fedoraproject,
- xen
Products
- debian linux 7.0,
- debian linux 8.0,
- fedora 20,
- fedora 21,
- ubuntu linux 12.04,
- ubuntu linux 14.04,
- ubuntu linux 14.10,
- ubuntu linux 15.04,
- xen 4.3.0,
- xen 4.3.1,
- xen 4.3.2,
- xen 4.4.0,
- xen 4.4.1,
- xen 4.5.0
References
Advisory
Additional Info
Technical Analysis
Report as Exploited in the Wild
CVE ID
AttackerKB requires a CVE ID in order to pull vulnerability data and references from the CVE list and the National Vulnerability Database. If available, please supply below: