Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: change DMA direction while mapping reinjected packets For fragmented packets, ath12k reassembles each fragment as a normal packet and then reinjects it into HW ring. In this case, the DMA direction should be DMA_TO_DEVICE, not DMA_FROM_DEVICE. Otherwise, an invalid payload may be reinjected into the HW and subsequently delivered to the host. Given that arbitrary memory can be allocated to the skb buffer, knowledge about the data contained in the reinjected buffer is lacking. Consequently, there’s a risk of private information being leaked. Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.1.1-00209-QCAHKSWPL_SILICONZ-1
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 6.3, < 6.6.44 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/33322e3ef07409278a18c6919c448e369d66a18ePatch
- https://git.kernel.org/stable/c/6925320fcd40d8042d32bf4ede8248e7a5315c3bPatch
- https://git.kernel.org/stable/c/e99d9b16ff153de9540073239d24adc3b0a3a997Patch
FAQ
What is CVE-2024-43881?
CVE-2024-43881 is a vulnerability with a CVSS score of 7.1 (HIGH). In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: change DMA direction while mapping reinjected packets For fragmented packets, ath12k reassembles each fragment as a ...
How severe is CVE-2024-43881?
CVE-2024-43881 has been rated HIGH with a CVSS base score of 7.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2024-43881?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.