CVE-2026-93065 wifi: iwlwifi: fix counter type in iwl_fwrt_dump_error_logs
An integer overflow in the iwlwifi driver can cause an infinite loop or out-of-bounds read, leading to a denial of service.
- 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-2026-93065?
CVE-2026-93065 is a 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: fix counter type in iwl_fwrt_dump_error_logs
The loop counter 'count' was declared as u8 while num_pc is u32. If firmware advertises more than 255 PC entries the counter wraps back to zero and the loop never terminates potentially causing an infinite loop or reading past the allocated pc_data array.
Change the declaration to u32 to match num_pc.
Which versions are affected by CVE-2026-93065?
How do I fix CVE-2026-93065?
Apply the vendor's patch.
Is CVE-2026-93065 being exploited?
There is no known exploitation of CVE-2026-93065 in the wild and no public exploit code.
Sources
Also known as AZL-102167, BELL-CVE-2026-93065, DEBIAN-CVE-2026-93065, GHSA-6wp3-qcv3-2g6h, UBUNTU-CVE-2026-93065.