Vulnerability identifier: #VU75481
Vulnerability risk: Medium
CVSSv3.1: 8.6 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-822
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Xen
Server applications /
Virtualization software
Vendor: Xen Project
Description
The vulnerability allows a malicious guest to escalate privileges on the system.
The vulnerability exists due to an arbitrary pointer dereference. A malicious guest running in shadow mode and having a PCI device passed through can execute arbitrary code on the hypervisor.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Xen: 4.17.0
External links
http://xenbits.xen.org/xsa/advisory-430.html
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.