Memory leak in Xen - CVE-2017-14431
Published: September 14, 2017 / Updated: August 8, 2020
Vulnerability identifier: #VU38290
CSH Severity: Medium
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-14431
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within Xen 3.3 through 4.8.x allows guest OS users to cause a denial of service (ARM or x86 AMD host OS memory consumption) by continually rebooting, because certain cleanup is skipped if no pass-through device was ever assigned, aka XSA-207. A remote attacker can perform a denial of service attack.
Affected software
Xen
How to mitigate CVE-2017-14431
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.