CVE-2025-38197 platform/x86: dell_rbu: Fix list usage
A NULL pointer dereference in the Dell RBU kernel driver allows local attackers to cause a system crash via sysfs interactions.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-38197?
CVE-2025-38197 is a high-severity vulnerability in Debian Debian Linux, published on 4 Jul 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In the Linux kernel, the following vulnerability has been resolved:
platform/x86: dell_rbu: Fix list usage
Pass the correct list head to list_for_each_entry*() when looping through the packet list.
Without this patch, reading the packet data via sysfs will show the data incorrectly (because it starts at the wrong packet), and clearing the packet list will result in a NULL pointer dereference.
Weakness: CWE-476
Which versions are affected by CVE-2025-38197?
It affects 2 products.
Products include Debian Debian Linux, Linux kernel.
How do I fix CVE-2025-38197?
Apply the vendor's patch.
Is CVE-2025-38197 being exploited?
There is no known exploitation of CVE-2025-38197 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as AZL-64782, BELL-CVE-2025-38197, DEBIAN-CVE-2025-38197, GHSA-2v3f-mxwm-3xrj, ROOT-OS-DEBIAN-11-CVE-2025-38197, ROOT-OS-DEBIAN-12-CVE-2025-38197 and 3 more.