scsi: mpt3sas: Avoid freeing unallocated PCIe SGL buffers
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: 7 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: scsi: mpt3sas: Avoid freeing unallocated PCIe SGL buffers _base_release_memory_pools() unconditionally frees every ioc->pcie_sg_lookup[] entry, including ones the setup loop never allocated after a partial failure, causing a "bad dma" warning on debug kernels or a NULL pointer dereference otherwise.
Why it matters now
EPSS 0.00216 12th percentileScored 2026-11-07
Fix Partial Linux (Linux): 5.10.270, 5.15.221, 6.1.188 +5Red Hat: 7 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 5.10.270, 5.15.221, 6.1.188, 6.6.157, 6.12.110, 6.18.52, 7.2.6, 7.3
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 6 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 7 | 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 |
Timeline
- 2026-10-02 Threatist record created from CVE-2026-90202
- 2026-10-03 Alias added: GHSA-hqrx-6q6q-fq27
- 2026-10-07 Affected versions changed · Red Hat
- 2026-10-07 CVSS score added · Red Hat
- 2026-10-19 Fix available: Linux/[email protected] · CNA
- 2026-11-07 Affected versions changed · Red Hat
References
Other 8
- https://git.kernel.org/stable/c/3361709fb6f6568b157c6f24ed21a4a5d86d73db
- https://git.kernel.org/stable/c/240b582b6372bebb1245d911add9954b7dd6c02d
- https://git.kernel.org/stable/c/a61181f9ee30a98d2350c1bff32954a7521f9a23
- https://git.kernel.org/stable/c/afedf35df054bd713e9e13771aa0a056932c5c67
- https://git.kernel.org/stable/c/bc3398db3b64729b4a7907af317daad04795ad40
- https://git.kernel.org/stable/c/2dbdd025b228110ccbfbab95fe16e098313a14af
- https://git.kernel.org/stable/c/e2cd23443d3616ea0876f27762b17e2ec67d896c
- https://git.kernel.org/stable/c/b9f679dfe629004b593f018df33b330d799bcee4
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Sources
- CVE-2026-90202 · CVE Program
- CVE-2026-90202 · NVD
- FIRST EPSS
- GHSA-hqrx-6q6q-fq27 · GitHub Advisory Database · CC BY 4.0
- CVE-2026-90202 · 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