CVE-2024-47674 is a medium-severity vulnerability in the Linux kernel memory management subsystem. It involves improper cleanup of partial page frame number (PFN) mappings during error handling in mmap operations. The flaw can lead to stale dangling page table entries (PTEs) if physical backing memory is freed before the page tables are fully cleaned up, potentially causing system instability or denial of service. The vulnerability does not impact confidentiality or integrity but affects availability. No known exploits are reported in the wild. No specific affected versions are stated, and no patch information is provided in the source data.