CVE-2024-42241

In the Linux kernel, the following vulnerability has been resolved: mm/shmem: disable PMD-sized page cache if needed For shmem files, it's possible that PMD-sized page cache can't be supported by xarray. For example, 512MB page cache on ARM64 when the base page size is 64KB can't be supported by...

CVE-2024-42243

In the Linux kernel, the following vulnerability has been resolved: mm/filemap: make MAXPAGECACHEORDER acceptable to xarray Patch series "mm/filemap: Limit page cache size to that supported by xarray", v2. Currently, xarray can't support arbitrary page cache size. More details can be found from t...

CVE-2024-42243 mm/filemap: make MAX_PAGECACHE_ORDER acceptable to xarray

In the Linux kernel, the following vulnerability has been resolved: mm/filemap: make MAXPAGECACHEORDER acceptable to xarray Patch series "mm/filemap: Limit page cache size to that supported by xarray", v2. Currently, xarray can't support arbitrary page cache size. More details can be found from t...

CVE-2024-42243

CVE-2024-42243 relates to the Linux kernel mm/filemap MAX_PAGECACHE_ORDER handling. The issue arises because xarray cannot support arbitrary page cache sizes, triggering WARN_ON in xas_split_alloc on ARM64 when base page size is 64KB (huge pages can be 512MB). The fix implemented patches to LIMIT...