CVE-2023-54001 staging: r8712: Fix memory leak in _r8712_init_xmit_priv()
A memory leak in the r8712 wireless driver can lead to resource exhaustion and denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-54001?
CVE-2023-54001 is a memory corruption vulnerability in Linux, published on 24 Dec 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:
staging: r8712: Fix memory leak in _r8712_init_xmit_priv()
In the above mentioned routine, memory is allocated in several places. If the first succeeds and a later one fails, the routine will leak memory. This patch fixes commit 2865d42c78a9 ("staging: r8712u: Add the new driver to the mainline kernel"). A potential memory leak in r8712_xmit_resource_alloc() is also addressed.
Which versions are affected by CVE-2023-54001?
How do I fix CVE-2023-54001?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2023-54001 being exploited?
There is no known exploitation of CVE-2023-54001 in the wild and no public exploit code.
Sources
Also known as BELL-CVE-2023-54001, DEBIAN-CVE-2023-54001, GHSA-4vvr-5h54-mv77, UBUNTU-CVE-2023-54001.