CVE-2022-49250 ASoC: codecs: rx-macro: fix accessing compander for aux
An out-of-bounds read in the Linux kernel's rx-macro codec driver can cause a crash or leak memory when accessing compander data for AUX interpolators.
- 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-2022-49250?
CVE-2022-49250 is a high-severity memory corruption vulnerability in Linux kernel, published on 26 Feb 2025. 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:
ASoC: codecs: rx-macro: fix accessing compander for aux
AUX interpolator does not have compander, so check before accessing compander data for this.
Without this checkan array of out bounds access will be made in comp_enabled[] array.
Weakness: CWE-125
Which versions are affected by CVE-2022-49250?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2022-49250?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2022-49250 being exploited?
There is no known exploitation of CVE-2022-49250 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2022-49250, GHSA-6qwc-g7jv-wm55, UBUNTU-CVE-2022-49250.