CVE-2026-23020
Not scored
net: 3com: 3c59x: fix possible null dereference in vortex_probe1()
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.
Exploit probability
0.1%
Published
January 31, 2026
Required by
Not available
Last source change
August 12, 2026
02 / AFFECTED SOFTWARE
Affected packages
544 explicit affected versions
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2026-23020
View original source
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.
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/053ac9e37eee435e999277c0f1ef890dad6064bf
- https://git.kernel.org/stable/c/28b2a805609699be7b90020ae7dccfb234be1ceb
- https://git.kernel.org/stable/c/2f05f7737e16d9a40038cc1c38a96a3f7964898b
- https://git.kernel.org/stable/c/606872c8e8bf96066730f6a2317502c5633c37f1
- https://git.kernel.org/stable/c/6cff14b831dbdb32675b4c7904dcc3eeeaf47e9d
- https://git.kernel.org/stable/c/a4e305ed60f7c41bbf9aabc16dd75267194e0de3
- https://git.kernel.org/stable/c/d82796a57cc0dac1dbef19d913c8f02a8cc7b1a7
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/23xxx/CVE-2026-23020.json
- https://nvd.nist.gov/vuln/detail/CVE-2026-23020