CVE-2026-93063 wifi: iwlwifi: mei: check SAP message length before reading it
A buffer overflow in the iwlwifi MEI driver allows attackers to cause denial of service or execute arbitrary code via crafted SAP messages.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-93063?
CVE-2026-93063 is a high-severity memory corruption vulnerability in Linux, published on 17 Sep 2026. 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: mei: check SAP message length before reading it
Verify the SAP message size is not larger than the local buffer before reading the message to avoid buffer overflow.
Which versions are affected by CVE-2026-93063?
How do I fix CVE-2026-93063?
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-2026-93063 being exploited?
There is no known exploitation of CVE-2026-93063 in the wild and no public exploit code.
Sources
Also known as AZL-102705, DEBIAN-CVE-2026-93063, GHSA-x4w4-pxhm-j2hh, UBUNTU-CVE-2026-93063.