CVE-2022-48851 staging: gdm724x: fix use after free in gdm_lte_rx()
A use-after-free vulnerability in the gdm724x staging driver allows attackers to cause denial of service or potentially execute code via crafted network packets.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-48851?
CVE-2022-48851 is a critical use after free vulnerability in Linux kernel, published on 16 Jul 2024. 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:
staging: gdm724x: fix use after free in gdm_lte_rx()
The netif_rx_ni() function frees the skb so we can't dereference it to save the skb->len.
Weakness: CWE-416
Which versions are affected by CVE-2022-48851?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2022-48851?
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-2022-48851 being exploited?
There is no known exploitation of CVE-2022-48851 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2022-48851, GHSA-f2xw-g7hm-66qr, UBUNTU-CVE-2022-48851.