CVE-2026-80609 qede: fix out-of-bounds check for cqe->len_list[]
An out-of-bounds access in the qede network driver allows attackers to cause memory corruption, potentially leading to system crashes or code execution.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-80609?
CVE-2026-80609 is a critical memory corruption vulnerability in Linux, published on 28 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In the Linux kernel, the following vulnerability has been resolved:
qede: fix out-of-bounds check for cqe->len_list[]
Move index check before element access.
Which versions are affected by CVE-2026-80609?
How do I fix CVE-2026-80609?
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-2026-80609 being exploited?
There is no known exploitation of CVE-2026-80609 in the wild and no public exploit code.
Sources
Also known as BELL-CVE-2026-80609, DEBIAN-CVE-2026-80609, GHSA-rxrh-5g8p-wjx5, UBUNTU-CVE-2026-80609.