CVE-2023-53575 wifi: iwlwifi: mvm: fix potential array out of bounds access
An out-of-bounds access in the iwlwifi driver allows attackers to potentially execute code or crash the system.
- 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-2023-53575?
CVE-2023-53575 is a high-severity memory corruption vulnerability in Linux kernel, published on 4 Oct 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:
wifi: iwlwifi: mvm: fix potential array out of bounds access
Account for IWL_SEC_WEP_KEY_OFFSET when needed while verifying key_len size in iwl_mvm_sec_key_add().
Weakness: CWE-125
Which versions are affected by CVE-2023-53575?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2023-53575?
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-2023-53575 being exploited?
There is no known exploitation of CVE-2023-53575 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2023-53575, DEBIAN-CVE-2023-53575, GHSA-vfp9-3v3g-f8w8, ROOT-OS-UBUNTU-2204-CVE-2023-53575, UBUNTU-CVE-2023-53575.