#VU70470 Resource management error in Xen
Vulnerability identifier: #VU70470
Vulnerability risk: Medium
CVSSv3.1: 6.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-399
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Xen
Server applications /
Virtualization software
Vendor: Xen Project
Description
The vulnerability allows an attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper management of internal resources. An attacker with access to the guest OS can trigger deadlock in Linux netback driver and perform a denial of service (DoS) attack of the host via the paravirtualized network interface.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Xen: All versions
External links
http://xenbits.xenproject.org/xsa/advisory-424.txt
http://www.openwall.com/lists/oss-security/2022/12/08/3
http://www.openwall.com/lists/oss-security/2022/12/08/2
http://www.openwall.com/lists/oss-security/2022/12/09/2
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.
