CVE-2024-35945 net: phy: phy_device: Prevent nullptr exceptions on ISR
A null pointer dereference in the Linux kernel network PHY driver can cause a system crash when an interrupt handler is missing.
- 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-2024-35945?
CVE-2024-35945 is a medium-severity vulnerability in Linux kernel, published on 19 May 2024. 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: phy_device: Prevent nullptr exceptions on ISR
If phydev->irq is set unconditionally, check for valid interrupt handler or fall back to polling mode to prevent nullptr exceptions in interrupt service routine.
Weakness: CWE-476
Which versions are affected by CVE-2024-35945?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2024-35945?
Apply the vendor's patch.
Is CVE-2024-35945 being exploited?
There is no known exploitation of CVE-2024-35945 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as AZL-56160, BELL-CVE-2024-35945, DEBIAN-CVE-2024-35945, GHSA-j44q-5mx6-236v, ROOT-OS-DEBIAN-11-CVE-2024-35945, ROOT-OS-DEBIAN-12-CVE-2024-35945 and 2 more.