CVE-2026-97487 is a vulnerability in Linux Kernel
Published on September 24, 2026
jfs: handle set_blocksize failures
In the Linux kernel, the following vulnerability has been resolved:
jfs: handle set_blocksize failures
jfs uses buffer_heads, which don't handle block size > PAGE_SIZE well.
Without this, mounting we will hit the
BUG_ON(offset >= folio_size(folio));
in folio_set_bh on the first __bread_gfp call.
Products Associated with CVE-2026-97487
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Affected Versions
Linux:- Version 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 and below a0ac22af8acca6ea6c57aff72662086cb3243b1c is affected.
- Version 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 and below 153374ee67a458c77b5755d3cc57fbdc639d327e is affected.
- Version 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 and below 05107f5602751fcfd3d108c1f579eb45aabead52 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.