CVE-2021-47365

A vulnerability was found in the afsextendwriteback function in the Linux kernel’s AFS module. A loop designed to enhance write efficiency can leak memory caused by the removal of the cleanup loop when the code switches from using findgetpagescontig to xarray scanning, as the latter only gets a...

CVE-2021-47365

The CVE-2021-47365 issue affects Linux kernel afs: a loop in afs_extend_writeback() could leak pages when expanding a writeback, due to removing the cleanup loop after switching from find_get_pages_contig() to xarray scanning. The fix adds an early-break handling that places the page on a referen...