CyberRota Analysis
AI-GeneratedThe vulnerability in the Linux kernel affects the handling of memory pages during encryption operations, specifically when the set_memory_{encrypted,decrypted}() function fails, leaving pages in an unknown state. This could lead to pages being unintentionally left unencrypted, posing a risk of unauthorized access to sensitive data. Organizations using Linux systems, particularly those implementing secure virtualization environments, should prioritize addressing this vulnerability to mitigate potential data exposure risks.
Original NVD Description
In the Linux kernel, the following vulnerability has been resolved: virt: sev-guest: Explicitly leak pages in unknown state When set_memory_{encrypted,decrypted}() fail, the user cannot know at which point the function failed, meaning that the pages are left in an unknown state from the point of view of the caller. Since the pages may be left in an unencrypted state, they are not suitable for general use, and cannot be returned safely to the buddy allocator. Avoid the issue by never freeing the pages, and then do the proper accounting by calling snp_leak_pages().
Related CVEs
Other vulnerabilities affecting the same vendor(s)