#VU63309 Race condition in Xen - CVE-2022-23040
Published: May 17, 2022
Vulnerability identifier: #VU63309
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-23040
CWE-ID: CWE-362
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Xen
Xen
Software vendor:
Xen Project
Xen Project
Description
The vulnerability allows a local user to bypass implemented security restrictions.
The vulnerability exists due to a race condition in the xenbus ring buffer. A malicious backend can exploit the race condition and read or write data or perform a denial of service attack.
Remediation
Install updates from vendor's website.