CVE-2024-42280 mISDN: Fix a use after free in hfcmulti_tx()
A use-after-free vulnerability in the Linux kernel's mISDN driver allows attackers to potentially execute code or cause a system crash.
- 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-2024-42280?
CVE-2024-42280 is a high-severity use after free vulnerability in Linux kernel, published on 17 Aug 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:
mISDN: Fix a use after free in hfcmulti_tx()
Don't dereference *sp after calling dev_kfree_skb(*sp).
Weakness: CWE-416
Which versions are affected by CVE-2024-42280?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2024-42280?
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-2024-42280 being exploited?
There is no known exploitation of CVE-2024-42280 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as AZL-49008, BELL-CVE-2024-42280, DEBIAN-CVE-2024-42280, GHSA-c5f9-wr82-c7qx, UBUNTU-CVE-2024-42280.