CVE-2022-48709 ice: switch: fix potential memleak in ice_add_adv_recipe()
A memory leak in the Linux kernel ice driver can lead to resource exhaustion and denial of service when specific error conditions occur.
- 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-2022-48709?
CVE-2022-48709 is a medium-severity denial of service vulnerability in Linux kernel, published on 21 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:
ice: switch: fix potential memleak in ice_add_adv_recipe()
When ice_add_special_words() fails, the 'rm' is not released, which will lead to a memory leak. Fix this up by going to 'err_unroll' label.
Compile tested only.
Weakness: CWE-401
Which versions are affected by CVE-2022-48709?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2022-48709?
Apply the vendor's patch.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2022-48709 being exploited?
There is no known exploitation of CVE-2022-48709 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2022-48709, GHSA-8w7f-4crr-6cfr, UBUNTU-CVE-2022-48709.