affs: handle set_blocksize failures
Priority LOW 22Published · Updated
Key facts
- Attack vector
- —
- Privileges required
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- User interaction
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- Attack complexity
- —
- Impact type
- —
- Confidentiality · integrity · availability
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- Fix status
- Fixed
No CVSS vector from any source. Fix status from CNA.
Summary
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.
Why it matters now
EPSS 0.00173 6th percentileScored 2026-11-07
Fix Fixed Linux (Linux): 5.10.271, 5.15.222, 6.1.189 +4
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
Remediation
- Fix · CNA Linux (Linux) Fixed in 5.10.271, 5.15.222, 6.1.189, 6.6.158, 6.12.111, 6.18.53, 7.2
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
Not affected: 7 products
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
- Red Hat OpenShift Container Platform 4
- Red Hat OpenShift Container Platform 5
Timeline
- 2026-10-02 Threatist record created from CVE-2026-97490
- 2026-10-03 Alias added: GHSA-327p-h44v-j4mc
- 2026-10-03 Fix available: Linux/[email protected], Linux/[email protected], Linux/[email protected] +5 · CNA
- 2026-10-03 4 new references · CNA
- 2026-11-06 Affected versions changed · Red Hat
References
Other 7
- https://git.kernel.org/stable/c/f5d65b2811872e8f8b424860fa7c2500afbbc5a6
- https://git.kernel.org/stable/c/c7f29c5d999093629712c63792abda89a36b428d
- https://git.kernel.org/stable/c/d05b0ee9b42cb3cc499272d1bc91609f7492a1a8
- https://git.kernel.org/stable/c/ea8a4a9f3cc101207611be724a8b83838de9a93f
- https://git.kernel.org/stable/c/bb45146a661934ef801f8fc62f88cdbcf6584ed1
- https://git.kernel.org/stable/c/e01af5aa641039e000af855f448475316f0550fc
- https://git.kernel.org/stable/c/0861182af5983a39bd2a891966436c5679b74a45
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Sources
- CVE-2026-97490 · CVE Program
- CVE-2026-97490 · NVD
- FIRST EPSS
- GHSA-327p-h44v-j4mc · GitHub Advisory Database · CC BY 4.0
- CVE-2026-97490 · Red Hat security data · CC BY 4.0
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