Deadlock in Xen - CVE-2023-34324
Published: October 11, 2023
Vulnerability identifier: #VU81900
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2023-34324
CWE-ID: CWE-833
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Xen Project
Affected software:
Xen
Xen
Detailed vulnerability description
The vulnerability allows a malicious guest to perform a denial of service (DoS) attack.
The vulnerability exists due to improper event handling in Linux kernel. A malicious guest can disable paravirtualized device to cause a deadlock in a backend domain (other than dom0).
How to mitigate CVE-2023-34324
Install updates from vendor's website.