CVE-2026-23020
MEDIUMCVSS 5.5/10EPSS 0.11%
Last modified
CVE-2026-23020 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. In the Linux kernel, the following vulnerability has been resolved: net: 3com: 3c59x: fix possible null dereference in vortex_probe1() pdev can be null and free_ring: can be called in 1297 with a null pdev.. EPSS estimates a 0.11% chance of exploitation in the next 30 days.
Description
In the Linux kernel, the following vulnerability has been resolved: net: 3com: 3c59x: fix possible null dereference in vortex_probe1() pdev can be null and free_ring: can be called in 1297 with a null pdev.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Linux | Linux Kernel | >= 4.16.12, < 4.17 | — |
| Linux | Linux Kernel | >= 4.17.1, < 5.10.248 | — |
| Linux | Linux Kernel | >= 5.11, < 5.15.198 | — |
| Linux | Linux Kernel | >= 5.16, < 6.1.161 | — |
| Linux | Linux Kernel | >= 6.2, < 6.6.121 | — |
| Linux | Linux Kernel | >= 6.7, < 6.12.66 | — |
| Linux | Linux Kernel | >= 6.13, < 6.18.6 | — |
| Linux | Linux Kernel | 4.17 | — |
| Linux | Linux Kernel | 6.19 | Rc1 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-23020?
In the Linux kernel, the following vulnerability has been resolved:
net: 3com: 3c59x: fix possible null dereference in vortex_probe1()
pdev can be null and free_ring: can be called in 1297 with a null
pdev.
How severe is CVE-2026-23020?
CVE-2026-23020 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.11% probability of exploitation in the next 30 days.
How do I fix CVE-2026-23020?
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-2026-23020?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST