Resource management error in Xen - CVE-2019-17345
Published: March 5, 2019 / Updated: July 28, 2020
Vulnerability identifier: #VU17902
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:U/U:Clear
CVE-ID: CVE-2019-17345
CWE-ID: CWE-399
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Xen Project
Affected software:
Xen
Xen
Detailed vulnerability description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to resource management error related to page type reference counting with failed IOMMU update. A local user of guest operating system can use a specially crafted kernel to perform denial of service attack against the host system.
How to mitigate CVE-2019-17345
Apply the patch: