What’s Vulnerable › Vulnerabilities

CVE-2026-43342: usb: gadget: f_rndis: Protect RNDIS options with mutex

• Severity: medium (CVSS 4.7 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-08 · updated 2026-06-17
• Weakness: CWE-362

Description

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: f_rndis: Protect RNDIS options with mutex The class/subclass/protocol options are suspectible to race conditions as they can be accessed concurrently through configfs. Use existing mutex to protect these options. This issue was identified during code inspection.

Affected products

• Linux kernel: from 4.14 before 5.10.253; from 5.11 before 5.15.203; from 5.16 before 6.1.168; from 6.2 before 6.6.134; from 6.7 before 6.12.81; from 6.13 before 6.18.22 — fixed in 5.10.253, 5.15.203, 6.1.168, 6.12.81, 6.18.22, 6.19.12

How to fix

Upgrade to a fixed version: Linux kernel 5.10.253, 5.15.203, 6.1.168, 6.12.81. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/0a75d97c53477a59c0aa1c65f69038c719f9c5b8
• https://git.kernel.org/stable/c/209decd3f7901df9842b83f2540dc8685e344a07
• https://git.kernel.org/stable/c/446f1842cda929c40d4697722bfdcfb334bc9692
• https://git.kernel.org/stable/c/65b7dbf80a1627667c241fff7c1c224f3118014f
• https://git.kernel.org/stable/c/7d8fa3b8783ab95a46e20d97fbeeede719b2efda
• https://git.kernel.org/stable/c/8d8c68b1fc06ece60cf43e1306ff0f4ac121547e
• https://git.kernel.org/stable/c/c1b3d5b0acb194efe20fc5864ee03439fa7bd45c
• https://git.kernel.org/stable/c/cb5316b37288ab8791584e32f114c4f41ad45b67

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