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CVE-2026-97488

qnx4: 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: qnx4: handle set_blocksize failures qnx4 uses buffer_heads, which don't handle block size > PAGE_SIZE well. Without this, mounting 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 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 · fixed in de8bd760ca0c2a3f337bbafbeb1dcad0853787cc; From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 · fixed in 3f2088a3973faf3ed9b56ea3d3f0240b9a797016; From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 · fixed in c9f03e750d9ddf0f42c24e3ba683f26e377ffd72; From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 · fixed in f83e416c2242fb298ad33b756c83aae75d9e359c; From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 · fixed in aac97a4b3f47c36a47f934aa679407b718b67537; From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 · fixed in 60f7ccf669882262330171eda51a4f52fa2e69c9; From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 · fixed in c7d911ea1cc9a63b07e52f5e75b263be0615b289

  • Linux Linux

    2.6.12

  • KernelLinux

    From 2.6.12 · 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