EUVD-2026-86086

In the Linux kernel, the following vulnerability has been resolved: qnx4: handle setblocksize failures qnx4 uses bufferheads, which don't handle block size PAGESIZE well. Without this, mounting will hit the BUGONoffset = foliosizefolio; in foliosetbh on the first breadgfp call...

CVE-2026-97488

The Linux kernel contains a vulnerability in the qnx4 filesystem where buffer_heads do not properly handle block sizes greater than PAGE_SIZE . This issue causes a BUG_ON(offset >= folio_size(folio)) error during the first __bread_gfp call in folio_set_bh , leading to a failure when mounting....