CVE-2026-89439
Unknown
Last modified
CVE-2026-89439 is a vulnerability of currently unknown severity. In the Linux kernel, the following vulnerability has been resolved: platform/x86: ISST: Add a NULL check for sst_inst[] To be consistent with other places, add a NULL check for failed socket loading by checking isst_common.sst_inst[]..
Description
In the Linux kernel, the following vulnerability has been resolved: platform/x86: ISST: Add a NULL check for sst_inst[] To be consistent with other places, add a NULL check for failed socket loading by checking isst_common.sst_inst[].
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | >= d805456c712f93ba8a012430f2a93bec133b6ff4, < 49a95fe1f64f41c2e8959e525aefdb10f23b293e; >= d805456c712f93ba8a012430f2a93bec133b6ff4, < c280fcd53b938b70c7dee9ce1a66b32bd6e5ebaa; >= d805456c712f93ba8a012430f2a93bec133b6ff4, < ef7975af15126dd70ace519da7bb33f2848b9064; >= d805456c712f93ba8a012430f2a93bec133b6ff4, < 3de2776e9d7073765c10c2326c2bda5926811ea6 |
| Linux | Linux | 6.4 |
References
Timeline
- Published
- Last Modified
- Status
- Received
Frequently Asked Questions
What is CVE-2026-89439?
In the Linux kernel, the following vulnerability has been resolved:
platform/x86: ISST: Add a NULL check for sst_inst[]
To be consistent with other places, add a NULL check for failed socket
loading by checking isst_common.sst_inst[].
How severe is CVE-2026-89439?
Severity scoring for CVE-2026-89439 is pending analysis.
How do I fix CVE-2026-89439?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2026-89439?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST