Vulnerability identifier: #VU7507
Vulnerability risk: Low
CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2017-10922
CWE-ID:
CWE-119
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 conditions.
The weakness exists due to improper handling of MMIO region grant references by the grant-table feature. A local attacker can trigger loss of grant trackability and cause the application 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
https://xenbits.xen.org/xsa/advisory-224.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.