CWE Code: 119
Vulnerability Type: privilege_escalation
CVSS Score: 4.6
CWE Name:  Improper Restriction of Operations within the Bounds of a Memory Buffer
Summary: xen 4.4.x, when running on an arm system and "handling an unknown system register access from 64-bit userspace," returns to an instruction of the trap handler for kernel space faults instead of an instruction that is associated with faults in 64-bit userspace, which allows local guest users to cause a denial of service (crash) and possibly gain privileges via a crafted process.
Access Authentication: NONE
Access Complexity: LOW
Access Vector: LOCAL
Impact (C/I/A): PARTIAL/PARTIAL/PARTIAL
Published Date: 2014-10-26
Last Modified Date: 2017-08-29
You are a cybersecurity expert assistant. Provide detailed information about vulnerabilities in a clear and structured format.
system
Please provide details about this vulnerability:  Improper Restriction of Operations within the Bounds of a Memory Buffer.
user
CWE Code: 119
Vulnerability Type: privilege_escalation
CVSS Score: 4.6
CWE Name:  Improper Restriction of Operations within the Bounds of a Memory Buffer
Summary: xen 4.4.x, when running on an arm system and "handling an unknown system register access from 64-bit userspace," returns to an instruction of the trap handler for kernel space faults instead of an instruction that is associated with faults in 64-bit userspace, which allows local guest users to cause a denial of service (crash) and possibly gain privileges via a crafted process.
Access Authentication: NONE
Access Complexity: LOW
Access Vector: LOCAL
Impact (C/I/A): PARTIAL/PARTIAL/PARTIAL
Published Date: 2014-10-26
Last Modified Date: 2017-08-29
assistant