CVE-2026-97490

affs: 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: affs: handle set_blocksize failures affs 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%

2.6.12 ≤ v < 5.10.2712.6.12 ≤ v < 5.15.2222.6.12 ≤ v < 6.1.1892.6.12 ≤ v < 6.12.1112.6.12 ≤ v < 6.18.532.6.12 ≤ v < 6.6.1582.6.12 ≤ v < 7.21da177e4c3f41524e886b7f1b8a0c1fc7321cac2 2.6.12

Vendor states this is fixed in 0861182af5983a39bd2a891966436c5679b74a45 (fixed)

Vendor states this is fixed in bb45146a661934ef801f8fc62f88cdbcf6584ed1 (fixed)

Vendor states this is fixed in c7f29c5d999093629712c63792abda89a36b428d (fixed)

Vendor states this is fixed in d05b0ee9b42cb3cc499272d1bc91609f7492a1a8 (fixed)

Vendor states this is fixed in e01af5aa641039e000af855f448475316f0550fc (fixed)

Vendor states this is fixed in ea8a4a9f3cc101207611be724a8b83838de9a93f (fixed)

Vendor states this is fixed in f5d65b2811872e8f8b424860fa7c2500afbbc5a6 (fixed)

Vendor states this is fixed in 2.6.12 (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)