CVE-2026-23020
BaseFortify
Publication date: 2026-01-31
Last updated on: 2026-03-25
Assigner: kernel.org
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| linux | linux_kernel | 4.17 |
| linux | linux_kernel | From 5.11 (inc) to 5.15.198 (exc) |
| linux | linux_kernel | 6.19 |
| linux | linux_kernel | 6.19 |
| linux | linux_kernel | 6.19 |
| linux | linux_kernel | 6.19 |
| linux | linux_kernel | 6.19 |
| linux | linux_kernel | From 6.13 (inc) to 6.18.6 (exc) |
| linux | linux_kernel | From 6.2 (inc) to 6.6.121 (exc) |
| linux | linux_kernel | From 6.7 (inc) to 6.12.66 (exc) |
| linux | linux_kernel | From 5.16 (inc) to 6.1.161 (exc) |
| linux | linux_kernel | 6.19 |
| linux | linux_kernel | 6.19 |
| linux | linux_kernel | 6.19 |
| linux | linux_kernel | From 4.17.1 (inc) to 5.10.248 (exc) |
| linux | linux_kernel | From 4.16.12 (inc) to 4.17 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-476 | The product dereferences a pointer that it expects to be valid but is NULL. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a possible null pointer dereference in the Linux kernel's 3com 3c59x network driver, specifically in the function vortex_probe1(). The issue arises because the pdev (platform device) pointer can be null, and the function free_ring can be called with this null pdev, potentially causing a crash or undefined behavior.
How can this vulnerability impact me? :
If exploited or triggered, this vulnerability can cause the affected system to crash or behave unpredictably due to a null pointer dereference in the network driver. This could lead to denial of service or system instability.