CVE-2026-97490 is a vulnerability in Linux Kernel
Published on September 24, 2026
affs: handle set_blocksize failures
In the Linux kernel, the following vulnerability has been resolved:
affs: handle set_blocksize failures
affs 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-2026-97490
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Affected Versions
Linux:- Version 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 and below bb45146a661934ef801f8fc62f88cdbcf6584ed1 is affected.
- Version 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 and below e01af5aa641039e000af855f448475316f0550fc is affected.
- Version 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 and below 0861182af5983a39bd2a891966436c5679b74a45 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.