NULL pointer dereference in Linux
CVE-2025-37809
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.
EPSS: 0.002 (6.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Linux — versions 59de2a56d127890cc610f3896d5fc31887c54ac2, 6.7, 0
- Linux Linux_kernel — versions 6.15
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2025-37809?
- CVE-2025-37809 is a medium-severity vulnerability in Linux, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2025-05-08.
- How severe is CVE-2025-37809?
- Medium severity. CVSS v3 base score is 5.5 out of 10.