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CVE-2024-43881

8.8 · HIGH
Published Aug 21, 2024 linux CWE-668 EPSS 0.31% (23th pctl)

Overview

CVE-2024-43881 is a high-severity vulnerability affecting linux linux_kernel. It was published on August 21, 2024 and has a CVSS 3.1 base score of 8.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical 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

Remediation

Check the references section for vendor advisories and patches from linux. Update linux_kernel to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected Products

Vendor Product Versions Status
linux linux_kernel >= 6.3, < 6.6.44 Affected

Frequently Asked Questions

What is CVE-2024-43881?

CVE-2024-43881 is a high-severity vulnerability affecting linux linux_kernel. It was published on August 21, 2024 and has a CVSS 3.1 base score of 8.8 (HIGH).

How severe is CVE-2024-43881?

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2024-43881?

Check the references section for vendor advisories and patches from linux. Update linux_kernel to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2024-43881?

CyberStrike's AI-powered security agents can automatically detect CVE-2024-43881 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.