CVE-2026-97487

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.

EPSS

0.2% chance of exploitation in the next 30 days; higher than 6% of CVEs (scores of 2026-10-25)

Published

2026-09-24

Modified

2026-10-03

Record from

the NVD, synced 2026-10-19

References

• https://git.kernel.org/stable/c/05107f5602751fcfd3d108c1f579eb45aabead52
• https://git.kernel.org/stable/c/153374ee67a458c77b5755d3cc57fbdc639d327e
• https://git.kernel.org/stable/c/87d6852f06c5a29f757f7b7ad1423e4cbd0f2cad
• https://git.kernel.org/stable/c/a0ac22af8acca6ea6c57aff72662086cb3243b1c
• https://git.kernel.org/stable/c/a0eaa3f4b6dcc829228752f6255f0e45cc94b273

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