CVE-2026-99206 scsi: target: iscsi: Fix race in discovery auth updates
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Published
Updated
Check this codebase for CVE-2026-99206 and fix it if it is affected.
What it is: CVE-2026-99206 is a vulnerability in Linux, published on 28 Oct 2026.
Exploitation: There is no known exploitation of CVE-2026-99206 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-2026-99206/ (Markdown: https://insights.sbomify.com/CVE-2026-99206/index.md)
- Exploited in the wild
- Not known
- Fix
- Available
What is CVE-2026-99206?
CVE-2026-99206 is a vulnerability in Linux, published on 28 Oct 2026.
Official description
In the Linux kernel, the following vulnerability has been resolved:
scsi: target: iscsi: Fix race in discovery auth updates
Separate configfs opens can concurrently update the discovery AuthMethod parameter. Both callers may free the same value in iscsi_update_param_value(), causing a double-free.
Protect the lookup and replacement with the discovery TPG access lock, as used by the other TPG configfs parameter updates.
Which versions are affected by CVE-2026-99206?
How do I fix CVE-2026-99206?
Upgrade to a fixed version.
Is CVE-2026-99206 being exploited?
There is no known exploitation of CVE-2026-99206 in the wild and no public exploit code.
Sources
Also known as AZL-111371, BELL-CVE-2026-99206, DEBIAN-CVE-2026-99206, GHSA-mw2h-565q-xw3m, UBUNTU-CVE-2026-99206.