CVE-2026-97488 is a vulnerability in Linux Kernel
Published on September 24, 2026
qnx4: handle set_blocksize failures
In the Linux kernel, the following vulnerability has been resolved:
qnx4: handle set_blocksize failures
qnx4 uses buffer_heads, which don't handle block size > PAGE_SIZE well.
Without this, mounting will hit the
BUG_ON(offset >= folio_size(folio));
in folio_set_bh on the first __bread_gfp call.
Products Associated with CVE-2026-97488
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Affected Versions
Linux:- Version 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 and below aac97a4b3f47c36a47f934aa679407b718b67537 is affected.
- Version 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 and below 60f7ccf669882262330171eda51a4f52fa2e69c9 is affected.
- Version 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 and below c7d911ea1cc9a63b07e52f5e75b263be0615b289 is affected.
- Before 6.12.111 is affected.
- Before 6.18.53 is affected.
- Version 6.12.111, <= 6.12.* is unaffected.
- Version 6.18.53, <= 6.18.* is unaffected.
- Version 7.2, <= * is unaffected.