CVE-2026-99044 ice: fix use-after-free in dynamic port cleanup
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Published
Updated
Check this codebase for CVE-2026-99044 and fix it if it is affected.
What it is: CVE-2026-99044 is a vulnerability in Linux, published on 23 Oct 2026.
Exploitation: There is no known exploitation of CVE-2026-99044 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-2026-99044/ (Markdown: https://insights.sbomify.com/CVE-2026-99044/index.md)
- Exploited in the wild
- Not known
- Fix
- Available
What is CVE-2026-99044?
CVE-2026-99044 is a vulnerability in Linux, published on 23 Oct 2026.
Official description
In the Linux kernel, the following vulnerability has been resolved:
ice: fix use-after-free in dynamic port cleanup
ice_dealloc_dynamic_port() uses dyn_port->vsi->idx to erase the dynamic port from pf->dyn_ports. However, it frees the VSI before reading the index for the erase, resulting in a use-after-free.
Follow the reverse of the allocation order in ice_alloc_dynamic_port() by erasing the xarray entry before freeing the VSI.
Which versions are affected by CVE-2026-99044?
How do I fix CVE-2026-99044?
Upgrade to a fixed version.
Is CVE-2026-99044 being exploited?
There is no known exploitation of CVE-2026-99044 in the wild and no public exploit code.
Sources
Also known as BELL-CVE-2026-99044, DEBIAN-CVE-2026-99044, GHSA-vg87-mhcx-cw5q, UBUNTU-CVE-2026-99044.