CVE-2023-52659

A vulnerability in the Linux kernel affected the x86/mm code, specifically in the pfn_to_kaddr() macro. The issue arises when the macro does not correctly handle input as a 64-bit type, causing crashes on 64-bit platforms, especially for SEV-SNP guests, when processing addresses above the 1TB range.

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.