Processor optimization removal or modification of security-critical code in Xen - CVE-2024-53241

 

Processor optimization removal or modification of security-critical code in Xen - CVE-2024-53241

Published: December 18, 2024


Vulnerability identifier: #VU101817
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2024-53241
CWE-ID: CWE-1037
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Xen Project
Affected software:
Xen

Detailed vulnerability description

The vulnerability allows a malicious guest to gain access to sensitive information.

The vulnerability exists due to implemented mitigations for hardware vulnerabilities related to Xen hypercall page implementation the guest OS is relying on to work might not be fully functional, resulting in e.g. guest user processes being able to read data they ought not have access to.


How to mitigate CVE-2024-53241

Install updates from vendor's website.

Sources