Vulnerability identifier: #VU41491
Vulnerability risk: Low
CVSSv4.0: 1.1 [CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID:
CWE-ID:
CWE-200
Exploitation vector: Local network
Exploit availability: No
Vulnerable software:
Xen
Server applications /
Virtualization software
Vendor: Xen Project
Description
The vulnerability allows a remote #AU# to gain access to sensitive information.
The alloc_domain_struct function in arch/arm/domain.c in Xen 4.4.x, when running on an ARM platform, does not properly initialize the structure containing the grant table pages for a domain, which allows local guest administrators to obtain sensitive information via the GNTTABOP_setup_table subhypercall.
Mitigation
Install update from vendor's website.
Vulnerable software versions
Xen: 4.4.0
External links
https://secunia.com/advisories/59523
https://www.securityfocus.com/bid/68184
https://www.securitytracker.com/id/1030471
https://xenbits.xen.org/xsa/advisory-101.html
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.