CVE-2026-97485

omfs: handle set_blocksize failures

N/A

Published: September 24, 2026 at 04:04 PM UTC

Updated: October 3, 2026 at 11:17 AM UTC

1 product affected across 1 vendorLinux Kernel

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Severity

N/A

Exploit prediction

EPSS 0.2%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel · Linux

95%

2.6.27 ≤ v < 5.10.2712.6.27 ≤ v < 5.15.2222.6.27 ≤ v < 6.1.1892.6.27 ≤ v < 6.12.1112.6.27 ≤ v < 6.18.532.6.27 ≤ v < 6.6.1582.6.27 ≤ v < 7.22.6.27555e3775ced1d05203934fc6529bbf0560dd8733

Vendor states this is fixed in 120e0db84a69f18e51ba9ae2d036df3a052a33e1 (fixed)

Vendor states this is fixed in 18c3d6fcb557f920c9143711497625e70153874c (fixed)

Vendor states this is fixed in 29186cd17bb5f501a6ae831dac4fabf637879982 (fixed)

Vendor states this is fixed in 61ffc31cd8642d7a950b6831720629c8331365f6 (fixed)

Vendor states this is fixed in a2a3592ebf3920dd6f2b754d2bb7361f54764e84 (fixed)

Vendor states this is fixed in d81e1e9bd1df5948c699cb5aec984acdef5b2681 (fixed)

Vendor states this is fixed in fd4d6593c51253c79be422d6ae42e318250e20a7 (fixed)

Vendor states this is fixed in 2.6.27 (unaffected)

Vendor states this is fixed in 5.10.271 (unaffected)

Vendor states this is fixed in 5.15.222 (unaffected)

Vendor states this is fixed in 6.1.189 (unaffected)

Vendor states this is fixed in 6.12.111 (unaffected)