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CVE-2026-97486

hpfs: 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: hpfs: handle set_blocksize failures hpfs 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 f7b0cde62edb8ceff8bcc17ba3f1b086646fff89; From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 · fixed in b618f681acb6748faf95eee9af2aac5455a74e68; From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 · fixed in 10f226687bcb07ed925a453b6f25e817165d113b; From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 · fixed in 0451927f42b0282d80d402e8e8c46ff34e9f606f; From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 · fixed in fc79fcc78cb771f2a803e52149cac5ca9050fd05; From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 · fixed in f27e21cf3c0446a3536ea9b588a78a46b0a2cb66; From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 · fixed in a405996f23e04942aad064ab8d50c55827482872

  • 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