#VU7140 Privilege escalation in Xen - CVE-2017-10914

Vulnerability identifier: #VU7140

Vulnerability risk: Low

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2017-10914

CWE-ID: CWE-401

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Xen
Server applications / Virtualization software

Vendor: Xen Project

Description
The vulnerability allows a local attacker to gain elevated privileges on the target system.

The weakness exists due to memory leak. A local attacker can probably cause reference counts to leak, obtain potentially sensitive data or gain host privileges.

Successful exploitation of the vulnerability results in privilege escalation.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Xen: 4.5.0 - 4.8.1

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External links
https://xenbits.xen.org/xsa/advisory-218.html

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Q & A

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.