What’s Vulnerable › Vulnerabilities

CVE-2025-38474: usb: net: sierra: check for no status endpoint

• 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: 2025-07-28 · updated 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: usb: net: sierra: check for no status endpoint The driver checks for having three endpoints and having bulk in and out endpoints, but not that the third endpoint is interrupt input. Rectify the omission.

Affected products

• Debian Linux: 11.0
• Linux kernel: from 2.6.35 before 5.4.297; from 5.5 before 5.10.241; from 5.11 before 5.15.190; from 5.16 before 6.1.147; from 6.2 before 6.6.100; from 6.7 before 6.12.40 — fixed in 5.10.241, 5.15.190, 5.4.297, 6.1.147, 6.12.40, 6.15.8

How to fix

Upgrade to a fixed version: Linux kernel 5.10.241, 5.15.190, 5.4.297, 6.1.147. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/0a263ccb905b4ae2af381cd4280bd8d2477b98b8
• https://git.kernel.org/stable/c/4c4ca3c46167518f8534ed70f6e3b4bf86c4d158
• https://git.kernel.org/stable/c/5408cc668e596c81cdd29e137225432aa40d1785
• https://git.kernel.org/stable/c/5849980faea1c792d1d5e54fdbf1e69ac0a9bfb9
• https://git.kernel.org/stable/c/5dd6a441748dad2f02e27b256984ca0b2d4546b6
• https://git.kernel.org/stable/c/65c666aff44eb7f9079c55331abd9687fb77ba2d
• https://git.kernel.org/stable/c/a6a238c4126eb3ddb495d3f960193ca5bb778d92
• https://git.kernel.org/stable/c/bfe8ef373986e8f185d3d6613eb1801a8749837a
• https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html
• https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html

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