Incorrect calculation in Xen - CVE-2016-9377
Published: February 22, 2017 / Updated: July 28, 2020
Vulnerability identifier: #VU32220
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:N/E:U/U:Clear
CVE-ID: CVE-2016-9377
CWE-ID: CWE-682
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 authenticated user to perform a denial of service (DoS) attack.
Xen 4.5.x through 4.7.x on AMD systems without the NRip feature, when emulating instructions that generate software interrupts, allows local HVM guest OS users to cause a denial of service (guest crash) by leveraging IDT entry miscalculation.
How to mitigate CVE-2016-9377
Install update from vendor's website.