CVE-2025-38180 net: atm: fix /proc/net/atm/lec handling
A use-after-free vulnerability in the Linux kernel's ATM LEC proc handler allows attackers to potentially execute code or escalate privileges.
- 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-2025-38180?
CVE-2025-38180 is a high-severity use after free 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:
net: atm: fix /proc/net/atm/lec handling
/proc/net/atm/lec must ensure safety against dev_lec[] changes.
It appears it had dev_put() calls without prior dev_hold(), leading to imbalance and UAF.
Weakness: CWE-416
Which versions are affected by CVE-2025-38180?
It affects 2 products.
Products include Debian Debian Linux, Linux kernel.
How do I fix CVE-2025-38180?
Apply the vendor's patch.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2025-38180 being exploited?
There is no known exploitation of CVE-2025-38180 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as AZL-64743, BELL-CVE-2025-38180, DEBIAN-CVE-2025-38180, GHSA-qp5r-frvf-p8mw, ROOT-OS-DEBIAN-11-CVE-2025-38180, ROOT-OS-DEBIAN-12-CVE-2025-38180 and 3 more.