CVE-2024-42233

Name of the Vulnerable Software and Affected Versions: Linux kernel (affected versions not specified)

Description: The issue is related to the function filemap fault recheck pte none() in the Linux kernel's memory management subsystem. It involves a race condition that may lead to the reuse of previously freed memory, potentially allowing an attacker to impact the integrity of protected information. The problem arises because the vmf->ptl is still set from handle pte fault(), but at the same time, pte unmap(vmf->pte) is performed, which can cause the page table to be changed, making vmf->ptl fail to protect the actual page table. This might trigger a Use After Free (UAF) condition.

Recommendations: At the moment, there is no information about a newer version that contains a fix for this vulnerability.