qnx4: 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
- Partial Red Hat: 1 without a fix
No CVSS vector from any source. Fix status from CNA and Red Hat.
Summary
In the Linux kernel, the following vulnerability has been resolved: qnx4: handle set_blocksize failures qnx4 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.
Why it matters now
EPSS 0.00173 6th percentileScored 2026-11-07
Fix Partial Linux (Linux): 5.10.271, 5.15.222, 6.1.189 +4Red Hat: 1 without a fix
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: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Out of support scope |
Not affected: 6 products
- Red Hat Enterprise Linux 10
- 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-2026-97488
- 2026-10-03 Alias added: GHSA-jhf2-xxxc-cvvv
- 2026-10-03 Fix available: Linux/Linux@3f2088a3973faf3ed9b56ea3d3f0240b9a797016, Linux/[email protected], Linux/[email protected] +5 · CNA
- 2026-10-03 4 new references · CNA
- 2026-11-07 Affected versions changed · Red Hat
References
Other 7
- https://git.kernel.org/stable/c/de8bd760ca0c2a3f337bbafbeb1dcad0853787cc
- https://git.kernel.org/stable/c/3f2088a3973faf3ed9b56ea3d3f0240b9a797016
- https://git.kernel.org/stable/c/c9f03e750d9ddf0f42c24e3ba683f26e377ffd72
- https://git.kernel.org/stable/c/f83e416c2242fb298ad33b756c83aae75d9e359c
- https://git.kernel.org/stable/c/aac97a4b3f47c36a47f934aa679407b718b67537
- https://git.kernel.org/stable/c/60f7ccf669882262330171eda51a4f52fa2e69c9
- https://git.kernel.org/stable/c/c7d911ea1cc9a63b07e52f5e75b263be0615b289
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Sources
- CVE-2026-97488 · CVE Program
- CVE-2026-97488 · NVD
- FIRST EPSS
- GHSA-jhf2-xxxc-cvvv · GitHub Advisory Database · CC BY 4.0
- CVE-2026-97488 · Red Hat security data · CC BY 4.0
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