CWE Code: 120
Vulnerability Type: privilege_escalation
CVSS Score: 7.2
CWE Name:  Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Summary: a buffer overflow flaw was found, in versions from 2.6.34 to 5.2.x, in the way linux kernel's vhost functionality that translates virtqueue buffers to iovs, logged the buffer descriptors during migration. a privileged guest user able to pass descriptors with invalid length to the host when migration is underway, could use this flaw to increase their privileges on the host.
Access Authentication: NONE
Access Complexity: LOW
Access Vector: LOCAL
Impact (C/I/A): COMPLETE/COMPLETE/COMPLETE
Published Date: 2019-09-17
Last Modified Date: 2019-09-19
You are a cybersecurity expert assistant. Provide detailed information about vulnerabilities in a clear and structured format.
system
Please provide details about this vulnerability:  Buffer Copy without Checking Size of Input ('Classic Buffer Overflow').
user
CWE Code: 120
Vulnerability Type: privilege_escalation
CVSS Score: 7.2
CWE Name:  Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Summary: a buffer overflow flaw was found, in versions from 2.6.34 to 5.2.x, in the way linux kernel's vhost functionality that translates virtqueue buffers to iovs, logged the buffer descriptors during migration. a privileged guest user able to pass descriptors with invalid length to the host when migration is underway, could use this flaw to increase their privileges on the host.
Access Authentication: NONE
Access Complexity: LOW
Access Vector: LOCAL
Impact (C/I/A): COMPLETE/COMPLETE/COMPLETE
Published Date: 2019-09-17
Last Modified Date: 2019-09-19
assistant