CVE-2025-37755 net: libwx: handle page_pool_dev_alloc_pages error
A null pointer dereference in the libwx network driver causes a kernel crash when page allocation fails, leading to denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-37755?
CVE-2025-37755 is a high-severity vulnerability in Linux kernel, published on 1 May 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In the Linux kernel, the following vulnerability has been resolved:
net: libwx: handle page_pool_dev_alloc_pages error
page_pool_dev_alloc_pages could return NULL. There was a WARN_ON(!page) but it would still proceed to use the NULL pointer and then crash.
This is similar to commit 001ba0902046 ("net: fec: handle page_pool_dev_alloc_pages error").
This is found by our static analysis tool KNighter.
Weakness: CWE-476
Which versions are affected by CVE-2025-37755?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2025-37755?
Apply the vendor's patch.
Is CVE-2025-37755 being exploited?
There is no known exploitation of CVE-2025-37755 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2025-37755, DEBIAN-CVE-2025-37755, GHSA-jfrj-r763-gv36, ROOT-OS-UBUNTU-2404-CVE-2025-37755, UBUNTU-CVE-2025-37755.