CVE-2026-98879

In the Linux kernel, the following vulnerability has been resolved: isofs: handle set_blocksize failures isofs 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 7% of CVEs (scores of 2026-10-25)

Published

2026-10-23

Modified

2026-10-26

Record from

the NVD, synced 2026-10-26

References

• https://git.kernel.org/stable/c/25ef4c4d9f0e96fb89c0ae0d7127c3f12a31bc32
• https://git.kernel.org/stable/c/28d1f6aa14f5924e36602b7a31c9141d34de0b9c
• https://git.kernel.org/stable/c/61f277bf35f533b602984f0e55900111fe52f31a
• https://git.kernel.org/stable/c/6db7f0ba365786304558db6a3d52013ae176e03e
• https://git.kernel.org/stable/c/9584ab6283721e5aab485c79bd06c2f78d89e55c

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