Privilege escalation in Xen - CVE-2017-14319
Published: September 14, 2017
Vulnerability identifier: #VU8427
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-14319
CWE-ID: CWE-264
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vendor: Xen Project
Affected software:
Xen
Xen
Detailed vulnerability description
The vulnerability allows an adjacent attacker to gain elevated privileges or cause DoS condition on the host system.
The weakness exists due to a flaw in grant unmapping. A local attacker on an x86 PV guest system can gain elevated privileges on the host system or cause the hypervisor to crash.
The weakness exists due to a flaw in grant unmapping. A local attacker on an x86 PV guest system can gain elevated privileges on the host system or cause the hypervisor to crash.
How to mitigate CVE-2017-14319
Install update from vendor's website.