https://seclists.org/oss-sec/2023/q3/234: Xen Security Advisory 439 v1 (CVE-2023-20588) - x86/AMD: Divide speculative information leak
Published Sep 26, 2023
·Updated
Affected Software
3 affected components
Xen Project Xen Hypervisor
AMD Zen1 microarchitecture
Linux Linux kernel
Frequently Asked Questions
1
What is the severity of CVE-2023-20588?
CVE-2023-20588 has been classified as a high severity vulnerability.
2
How do I fix CVE-2023-20588?
To fix CVE-2023-20588, users should update to the latest version of Xen Project Xen Hypervisor and apply the appropriate kernel patches.
3
What systems are affected by CVE-2023-20588?
CVE-2023-20588 affects the Xen Project Xen Hypervisor running on AMD Zen1 microarchitecture systems.
4
Is CVE-2023-20588 a remote exploit?
CVE-2023-20588 is considered a local privilege escalation vulnerability and may not be remotely exploitable.
5
What are the potential impacts of CVE-2023-20588?
The potential impacts of CVE-2023-20588 include unauthorized access to sensitive information through speculative execution weaknesses.