CVE-2026-97486

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.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < fc79fcc78cb771f2a803e52149cac5ca9050fd05affected
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < f27e21cf3c0446a3536ea9b588a78a46b0a2cb66affected
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < a405996f23e04942aad064ab8d50c55827482872affected
LinuxLinux0 < 6.12.111affected
LinuxLinux0 < 6.18.53affected
LinuxLinux6.12.111 <= 6.12.*unaffected
LinuxLinux6.18.53 <= 6.18.*unaffected
LinuxLinux7.2 <= *unaffected

Weaknesses

References