CVE-2026-97487

Summary

In the Linux kernel, the following vulnerability has been resolved:

jfs: handle set_blocksize failures

jfs 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.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < a0ac22af8acca6ea6c57aff72662086cb3243b1caffected
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 153374ee67a458c77b5755d3cc57fbdc639d327eaffected
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 05107f5602751fcfd3d108c1f579eb45aabead52affected
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