What’s Vulnerable › Vulnerabilities

CVE-2025-37809: usb: typec: class: Fix NULL pointer access

• 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: 2025-05-08 · updated 2026-06-17
• Weakness: CWE-476

Description

In the Linux kernel, the following vulnerability has been resolved: usb: typec: class: Fix NULL pointer access Concurrent calls to typec_partner_unlink_device can lead to a NULL pointer dereference. This patch adds a mutex to protect USB device pointers and prevent this issue. The same mutex protects both the device pointers and the partner device registration.

Affected products

• Linux kernel: from 6.7 before 6.12.26; from 6.13 before 6.14.5; 6.15-rc1, 6.15-rc2, 6.15-rc3 — fixed in 6.12.26, 6.14.5

How to fix

Upgrade to a fixed version: Linux kernel 6.12.26, 6.14.5. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/1fdde62411fe65640e69bc55ea027d5b7b2f0093
• https://git.kernel.org/stable/c/de7c24febd21413ea8f49f61b36338b676c02852
• https://git.kernel.org/stable/c/ec27386de23a511008c53aa2f3434ad180a3ca9a

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