CVE-2022-48837 usb: gadget: rndis: prevent integer overflow in rndis_set_response()
An integer overflow in the Linux kernel's RNDIS driver can lead to a denial of service when processing large buffer offsets.
- 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-2022-48837?
CVE-2022-48837 is a high-severity vulnerability in Linux kernel, published on 16 Jul 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:
usb: gadget: rndis: prevent integer overflow in rndis_set_response()
If "BufOffset" is very large the "BufOffset + 8" operation can have an integer overflow.
Weakness: CWE-190
Which versions are affected by CVE-2022-48837?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2022-48837?
Apply the vendor's patch.
Is CVE-2022-48837 being exploited?
There is no known exploitation of CVE-2022-48837 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2022-48837, GHSA-gq7q-6p5c-gpcc, UBUNTU-CVE-2022-48837.