CVE-2024-21963 Affecting xen package, versions *
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-DEBIAN14-XEN-22422338
- published11 Nov 2026
- disclosed12 Nov 2026
Introduced: 11 Nov 2026
NewCVE-2024-21963 (opens in a new tab)Common Vulnerabilities and Exposures (CVE) are common identifiers for publicly known security vulnerabilities
How to fix?
There is no fixed version for Debian:14 xen.
NVD Description
Note: Versions mentioned in the description apply only to the upstream xen package and not the xen package as distributed by Debian.
See How to fix? for Debian:14 relevant fixed versions and status.
An out-of-bounds read vulnerability in the IOMMU could allow a malicious guest to corrupt hypervisor (HV) pages and potentially cause a host crash leading to loss of availability.
References
- https://security-tracker.debian.org/tracker/CVE-2024-21963
- https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3060.html
- https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-4018.html
- http://www.openwall.com/lists/oss-security/2026/11/10/21
- http://xenbits.xen.org/xsa/advisory-524.html