Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: mt76: fix potential DMA mapping leak With buf uninitialized in mt76_dma_tx_queue_skb_raw, its field skip_unmap could potentially inherit a non-zero value from stack garbage. If this happens, it will cause DMA mappings for MCU command frames to not be unmapped after completion
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 5.10, < 5.10.37 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/91b9548d413fda488ea853cd1b9f59b572db3a0cPatch
- https://git.kernel.org/stable/c/9b68ce2856dadc0e1cb6fd21fbeb850da49efd08Patch
- https://git.kernel.org/stable/c/9fa26701cd1fc4d932d431971efc5746325bdfcePatch
- https://git.kernel.org/stable/c/b4403cee6400c5f679e9c4a82b91d61aa961eccfPatch
- https://git.kernel.org/stable/c/91b9548d413fda488ea853cd1b9f59b572db3a0cPatch
- https://git.kernel.org/stable/c/9b68ce2856dadc0e1cb6fd21fbeb850da49efd08Patch
- https://git.kernel.org/stable/c/9fa26701cd1fc4d932d431971efc5746325bdfcePatch
- https://git.kernel.org/stable/c/b4403cee6400c5f679e9c4a82b91d61aa961eccfPatch
FAQ
What is CVE-2021-47064?
CVE-2021-47064 is a vulnerability with a CVSS score of 5.3 (MEDIUM). In the Linux kernel, the following vulnerability has been resolved: mt76: fix potential DMA mapping leak With buf uninitialized in mt76_dma_tx_queue_skb_raw, its field skip_unmap could potentially i...
How severe is CVE-2021-47064?
CVE-2021-47064 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-47064?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.