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CVE-2026-97485

omfs: handle set_blocksize failures

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 5.10.271, 5.15.222, 6.1.189, 6.6.158, 6.12.111, and 1 more
None on Exploit-DB, Metasploit or GitHub

Summary

In the Linux kernel, the following vulnerability has been resolved: omfs: handle set_blocksize failures omfs 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.

Timeline

  1. CVE published
  2. Record last updated

Affected versions

  • Linux Linux

    From 555e3775ced1d05203934fc6529bbf0560dd8733 · fixed in a2a3592ebf3920dd6f2b754d2bb7361f54764e84; From 555e3775ced1d05203934fc6529bbf0560dd8733 · fixed in d81e1e9bd1df5948c699cb5aec984acdef5b2681; From 555e3775ced1d05203934fc6529bbf0560dd8733 · fixed in 120e0db84a69f18e51ba9ae2d036df3a052a33e1; From 555e3775ced1d05203934fc6529bbf0560dd8733 · fixed in 29186cd17bb5f501a6ae831dac4fabf637879982; From 555e3775ced1d05203934fc6529bbf0560dd8733 · fixed in 61ffc31cd8642d7a950b6831720629c8331365f6; From 555e3775ced1d05203934fc6529bbf0560dd8733 · fixed in fd4d6593c51253c79be422d6ae42e318250e20a7; From 555e3775ced1d05203934fc6529bbf0560dd8733 · fixed in 18c3d6fcb557f920c9143711497625e70153874c

  • Linux Linux

    2.6.27

  • KernelLinux

    From 2.6.27 · fixed in 5.10.271; From 5.11.0 · fixed in 5.15.222; From 5.16.0 · fixed in 6.1.189; From 6.2.0 · fixed in 6.6.158; From 6.7.0 · fixed in 6.12.111; From 6.13.0 · fixed in 6.18.53

References 7

git.kernel.org