CVE-2026-63820 f2fs: fix missing read bio submission on large folio error

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix missing read bio submission on large folio error f2fsreaddatalargefolio can keep a read bio across multiple readahead folios. If a later folio hits an error before any of its blocks are added to the bio, folioinbio is...

CVE-2022-49706 zonefs: fix zonefs_iomap_begin() for reads

In the Linux kernel, the following vulnerability has been resolved: zonefs: fix zonefsiomapbegin for reads If a readahead is issued to a sequential zone file with an offset exactly equal to the current file size, the iomap type is set to IOMAPUNWRITTEN, which will prevent an IO, but the iomap...

CVE-2022-49706

CVE-2022-49706—zonefs contains a read handling bug in zonefs_iomap_begin() where a readahead to a zone file with an offset equal to the current file size can set iomap type to IOMAP_UNWRITTEN with length 0, triggering a WARN_ON in iomap_iter and causing iomap_readahead() to loop. The patch fixes ...