NULL pointer dereference in Linux kernel - CVE-2025-37882

 

NULL pointer dereference in Linux kernel - CVE-2025-37882

Published: May 9, 2025 / Updated: May 10, 2025


Vulnerability identifier: #VU108867
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-37882
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to NULL pointer dereference within the handle_tx_event() function in drivers/usb/host/xhci-ring.c. A local user can perform a denial of service (DoS) attack.


Affected software

Linux kernel
Red Hat Enterprise Linux Server - AUS
Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support
Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support
Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support
Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support
Ubuntu
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
kernel (Red Hat package)
kernel-rt (Red Hat package)
linux (Ubuntu package)
linux-azure (Ubuntu package)
linux-aws (Ubuntu package)

How to mitigate CVE-2025-37882

Install update from vendor's website.

Linux kernel - addressed in versions 6.12.26, 6.14.5
kernel (Red Hat package) - addressed in versions 5.14.0-70.169.1.el9_0, 5.14.0-284.158.1.el9_2, 5.14.0-427.111.1.el9_4, 5.14.0-570.89.1.el9_6, 6.12.0-55.62.1.el10_0
kernel-rt (Red Hat package) - addressed in versions 5.14.0-70.169.1.rt21.241.el9_0, 5.14.0-284.158.1.rt14.443.el9_2
linux (Ubuntu package) - addressed in versions 6.14.0-22.22, 6.14.0-1004.4, 6.14.0-1007.7, 6.14.0-1008.8
linux-azure (Ubuntu package) - update to 6.14.0-1007.7
linux-aws (Ubuntu package) - addressed in versions 6.14.0-1007.7, 6.14.0-1007.7+1

External References

Related Security Bulletins