Vulnerability identifier: #VU7152
Vulnerability risk: Low
CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-284
Exploitation vector: Local
Exploit availability: No
Vulnerable software:
Xen
Server applications /
Virtualization software
Vendor: Xen Project
Description
The vulnerability allows a local attacker to cause DoS condition on the host system.
The weakness exists due to missing check. A local attacker can send a software generated interrupt to a vCPU or configure timers and cause the host system to crash.
Successful exploitation of the vulnerability results in denial of service.
Mitigation
Install update from vendor's website.
Vulnerable software versions
Xen: 4.5.0 - 4.8.1
External links
http://xenbits.xen.org/xsa/advisory-223.html
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.