mtd: rawnand: cadence: fix DMA device NULL pointer dereference
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
- Fixed
No CVSS vector from any source. Fix status from CNA.
Summary
In the Linux kernel, the following vulnerability has been resolved: mtd: rawnand: cadence: fix DMA device NULL pointer dereference The DMA device pointer `dma_dev` was being dereferenced before ensuring that `cdns_ctrl->dmac` is properly initialized. Move the assignment of `dma_dev` after successfully acquiring the DMA channel to ensure the pointer is valid before use.
Why it matters now
EPSS 0.00191 8th percentileScored 2026-11-07
Fix Fixed Linux (Linux): 5.10.247, 5.15.197, 6.1.159 +5
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Linux | Linux | 5.10.235 to before 5.10.247; 5.15.179 to before 5.15.197; 6.1.130 to before 6.1.159; 6.6.80 to before 6.6.118; 6.12.17 to before 6.12.60; 6.13.5 to before 6.14 | 5.10.247, 5.15.197, 6.1.159, 6.6.118, 6.12.60, 6.14 | Patch available | CNA |
| Linux | Linux | 6.14 and later | 5.10.247, 5.15.197, 6.1.159, 6.6.118, 6.12.60, 6.17.10, 6.18 | Patch available | CNA |
- Linux VendorLinux Affected 5.10.235 to before 5.10.247; 5.15.179 to before 5.15.197; 6.1.130 to before 6.1.159; 6.6.80 to before 6.6.118; 6.12.17 to before 6.12.60; 6.13.5 to before 6.14 Fixed in 5.10.247, 5.15.197, 6.1.159, 6.6.118, 6.12.60, 6.14 Patch available CNA
- Linux VendorLinux Affected 6.14 and later Fixed in 5.10.247, 5.15.197, 6.1.159, 6.6.118, 6.12.60, 6.17.10, 6.18 Patch available CNA
Remediation
- Fix · CNA Linux (Linux) Fixed in 5.10.247, 5.15.197, 6.1.159, 6.6.118, 6.12.60, 6.14
- Fix · CNA Linux (Linux) Fixed in 5.10.247, 5.15.197, 6.1.159, 6.6.118, 6.12.60, 6.17.10, 6.18
Vendor assessments
Red Hat
Not affected: 5 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
Timeline
- 2026-10-02 Threatist record created from CVE-2025-68238
- 2026-10-03 Alias added: GHSA-gq5h-xxh9-g765
References
Other 7
- https://git.kernel.org/stable/c/2178b0255eae108bb10e5e99658b28641bc06f43
- https://git.kernel.org/stable/c/9c58c64ec41290c12490ca7e1df45013fbbb41fd
- https://git.kernel.org/stable/c/e282a4fdf3c6ee842a720010a8b5f7d77bedd126
- https://git.kernel.org/stable/c/b146e0b085d9d6bfe838e0a15481cba7d093c67f
- https://git.kernel.org/stable/c/0c635241a62f2f5da1b48bfffae226d1f86a76ef
- https://git.kernel.org/stable/c/0c2a43cb43786011b48eeab6093db14888258c6b
- https://git.kernel.org/stable/c/5c56bf214af85ca042bf97f8584aab2151035840
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Sources
- CVE-2025-68238 · CVE Program
- CVE-2025-68238 · NVD
- FIRST EPSS
- GHSA-gq5h-xxh9-g765 · GitHub Advisory Database · CC BY 4.0
- CVE-2025-68238 · 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