What’s Vulnerable › Vulnerabilities

CVE-2024-43861: net: usb: qmi_wwan: fix memory leak for not ip packets

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-08-20 · updated 2026-06-17
• Weakness: CWE-401

Description

In the Linux kernel, the following vulnerability has been resolved: net: usb: qmi_wwan: fix memory leak for not ip packets Free the unused skb when not ip packets arrive.

Affected products

• Linux kernel: from 4.12 before 4.19.320; from 4.20 before 5.4.282; from 5.5 before 5.10.224; from 5.11 before 5.15.165; from 5.16 before 6.1.105; from 6.2 before 6.6.46 — fixed in 4.19.320, 5.10.224, 5.15.165, 5.4.282, 6.1.105, 6.10.5

How to fix

Upgrade to a fixed version: Linux kernel 4.19.320, 5.10.224, 5.15.165, 5.4.282. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/37c093449704017870604994ba9b813cdb9475a4
• https://git.kernel.org/stable/c/3c90a69533b5bba73401ef884d033ea49ee99662
• https://git.kernel.org/stable/c/7ab107544b777c3bd7feb9fe447367d8edd5b202
• https://git.kernel.org/stable/c/c4251a3deccad852b27e60625f31fba6cc14372f
• https://git.kernel.org/stable/c/c6c5b91424fafc0f83852d961c10c7e43a001882
• https://git.kernel.org/stable/c/da518cc9b64df391795d9952aed551e0f782e446
• https://git.kernel.org/stable/c/e87f52225e04a7001bf55bbd7a330fa4252327b5
• https://git.kernel.org/stable/c/f2c353227de14b0289298ffc3ba92058c4768384
• https://lists.debian.org/debian-lts-announce/2024/10/msg00003.html
• https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html

Get alerted when CVE-2024-43861 or the next vulnerability affects your stack