CVE-2026-23081 net: phy: intel-xway: fix OF node refcount leakage
A reference count leak in the Intel XWAY PHY driver can lead to memory exhaustion and denial of service.
- 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-2026-23081?
CVE-2026-23081 is a medium-severity memory corruption vulnerability in Linux kernel, published on 4 Feb 2026. 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: phy: intel-xway: fix OF node refcount leakage
Automated review spotted am OF node reference count leakage when checking if the 'leds' child node exists.
Call of_put_node() to correctly maintain the refcount.
Which versions are affected by CVE-2026-23081?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2026-23081?
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-2026-23081 being exploited?
There is no known exploitation of CVE-2026-23081 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2026-23081, DEBIAN-CVE-2026-23081, GHSA-64mr-2w58-753j, UBUNTU-CVE-2026-23081.