CVE-2025-37809NULL Pointer Dereference in Linux

Severity
5.5MEDIUMNVD
OSV3.2
EPSS
0.0%
top 84.95%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedMay 8
Latest updateMar 25

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.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages14 packages

NVDlinux/linux_kernel6.76.12.26+2
Debianlinux/linux_kernel< 6.12.27-1+1
Ubuntulinux/linux_kernel< 6.8.0-100.100+1
CVEListV5linux/linux59de2a56d127890cc610f3896d5fc31887c54ac2de7c24febd21413ea8f49f61b36338b676c02852+3
debiandebian/linux< linux 6.12.27-1 (forky)

Patches

🔴Vulnerability Details

21
OSV
linux-azure-6.8 vulnerabilities2026-03-25
OSV
linux-azure-fips vulnerabilities2026-03-04
OSV
linux-azure vulnerabilities2026-03-04
OSV
linux-ibm, linux-ibm-6.8 vulnerabilities2026-02-24
OSV
linux-xilinx vulnerabilities2026-02-24

📋Vendor Advisories

21
Ubuntu
Linux kernel (Azure) vulnerabilities2026-03-25
Ubuntu
Linux kernel (Azure) vulnerabilities2026-03-04
Ubuntu
Linux kernel (Azure FIPS) vulnerabilities2026-03-04
Ubuntu
Linux kernel (Xilinx) vulnerabilities2026-02-24
Ubuntu
Linux kernel (IBM) vulnerabilities2026-02-24
CVE-2025-37809 — NULL Pointer Dereference in Linux | cvebase