Denial of service in Xen - CVE-2017-15596
Published: August 25, 2017 / Updated: July 28, 2020
Vulnerability identifier: #VU8009
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-15596
CWE-ID: CWE-789
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vendor: Xen Project
Affected software:
Xen
Xen
Detailed vulnerability description
The vulnerability allows a local attacker on guest system to cause DoS condition on the host system.
The weakness exists due to improper memory allocation. A local attacker can trigger a flaw in the add-to-physmap function, prevent use of a physical CPU and cause the application on the host system to crash.
Successful exploitation of the vulnerability results in denial of service.
The weakness exists due to improper memory allocation. A local attacker can trigger a flaw in the add-to-physmap function, prevent use of a physical CPU and cause the application on the host system to crash.
Successful exploitation of the vulnerability results in denial of service.
How to mitigate CVE-2017-15596
Install update from vendor's website.