CVE-2026-93792 wifi: iwlwifi: mvm: fix a possible underflow
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Published
Updated
Check this codebase for CVE-2026-93792 and fix it if it is affected.
What it is: CVE-2026-93792 is a vulnerability in Linux, published on 24 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-93792 in the wild and no public exploit code.
Affected product: Linux. No package-level version data is available, so check the vendor advisory linked from the reference page.
Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.
Reference: https://insights.sbomify.com/CVE-2026-93792/ (Markdown: https://insights.sbomify.com/CVE-2026-93792/index.md)
A potential integer underflow in the iwlwifi driver allows attackers to cause a denial of service via crafted Wi-Fi packets.
- 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-2026-93792?
CVE-2026-93792 is a vulnerability in Linux, published on 24 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: mvm: fix a possible underflow
We shouldn't trust the firmware about the length of the wowlan packet.
Which versions are affected by CVE-2026-93792?
How do I fix CVE-2026-93792?
Apply the vendor's patch.
Is CVE-2026-93792 being exploited?
There is no known exploitation of CVE-2026-93792 in the wild and no public exploit code.
Sources
Also known as AZL-103574, BELL-CVE-2026-93792, DEBIAN-CVE-2026-93792, GHSA-v5v8-cxc4-ccr3, UBUNTU-CVE-2026-93792.