Threats tagged 'ghsa-9w23-c35q-mrgj'

CVE-2025-38242 is a race condition vulnerability in the Linux kernel's userfaultfd subsystem related to the move of swap cache entries. It involves a race between userfaultfd_move and swap cache operations that can cause kernel BUGs and corrupted RSS counters. The flaw arises from unreliable checks when moving folios in the swap cache, potentially leading to accounting errors. While data corruption is not confirmed, the issue can cause kernel instability and crashes.