ntb: Store original DMA address for future release
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
- —
- Fix status
- Partial Red Hat: 5 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: ntb: Store original DMA address for future release The DMA API requires that dma_free_attrs receive the exact dma_handle originally returned by the allocation function. Do not modify it.
Why it matters now
EPSS 0.00215 12th percentileScored 2026-11-07
Fix Partial Linux (Linux): 6.1.191, 6.6.160, 6.12.114 +3Red Hat: 5 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 6.1.191, 6.6.160, 6.12.114, 6.18.57, 7.1.5, 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 10 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 8 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 9 | Affected | No fix yet: Fix deferred |
| Red Hat OpenShift Container Platform 4 | Affected | No fix yet: Fix deferred |
| Red Hat OpenShift Container Platform 5 | Affected | No fix yet: Fix deferred |
Not affected: 2 products
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
Timeline
- 2026-10-02 Threatist record created from CVE-2026-80884
- 2026-10-03 Alias added: GHSA-44m4-vqfj-mwrf
- 2026-10-16 Fix available: Linux/Linux@0f035333e19944f8ea7a423681f161eb1b2db21c, Linux/[email protected] · CNA
- 2026-10-16 1 new reference · CNA
- 2026-10-21 Affected versions changed · Red Hat
- 2026-10-21 CVSS score added · Red Hat
- 2026-10-21 Fix available: Linux/Linux@2b9ddb7311c79e8af2410abd97765fffd9ddf586, Linux/[email protected], Linux/[email protected] +1 · CNA
- 2026-10-21 2 new references · CNA
- 2026-10-30 Fix available: Linux/Linux@05a4585f76fd7bbec41bb7bf07a4d2ee2ba607d0, Linux/[email protected] · CNA
- 2026-10-30 1 new reference · CNA
- 2026-11-07 Affected versions changed · Red Hat
References
Other 6
- https://git.kernel.org/stable/c/05a4585f76fd7bbec41bb7bf07a4d2ee2ba607d0
- https://git.kernel.org/stable/c/2b9ddb7311c79e8af2410abd97765fffd9ddf586
- https://git.kernel.org/stable/c/a4a046f668c7c7d0df9510cc426678563fff1b03
- https://git.kernel.org/stable/c/0f035333e19944f8ea7a423681f161eb1b2db21c
- https://git.kernel.org/stable/c/10662aafce4acd52278c942d0a5b3993594017b9
- https://git.kernel.org/stable/c/da6d997ac556479c112554ab5d95cbd04683eb11
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Sources
- CVE-2026-80884 · CVE Program
- CVE-2026-80884 · NVD
- FIRST EPSS
- GHSA-44m4-vqfj-mwrf · GitHub Advisory Database · CC BY 4.0
- CVE-2026-80884 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences