#VU41748 NULL pointer dereference in Xen - CVE-2014-2986

Vulnerability identifier: #VU41748

Vulnerability risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2014-2986

CWE-ID: CWE-476

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
Xen
Server applications / Virtualization software

Vendor: Xen Project

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error. A remote attacker can trigger denial of service conditions via unspecified vectors.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Xen: 4.4.0

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External links
https://www.openwall.com/lists/oss-security/2014/04/23/3
https://www.openwall.com/lists/oss-security/2014/04/23/4
https://www.openwall.com/lists/oss-security/2014/04/23/5
https://www.securityfocus.com/bid/67047
https://www.securitytracker.com/id/1030146
https://xenbits.xen.org/xsa/advisory-94.html

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.