{"id":"CVE-2026-23020","summary":"net: 3com: 3c59x: fix possible null dereference in vortex_probe1()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: 3com: 3c59x: fix possible null dereference in vortex_probe1()\n\npdev can be null and free_ring: can be called in 1297 with a null\npdev.","modified":"2026-03-20T12:47:20.284040Z","published":"2026-01-31T11:39:04.023Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/23xxx/CVE-2026-23020.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/053ac9e37eee435e999277c0f1ef890dad6064bf"},{"type":"WEB","url":"https://git.kernel.org/stable/c/28b2a805609699be7b90020ae7dccfb234be1ceb"},{"type":"WEB","url":"https://git.kernel.org/stable/c/2f05f7737e16d9a40038cc1c38a96a3f7964898b"},{"type":"WEB","url":"https://git.kernel.org/stable/c/606872c8e8bf96066730f6a2317502c5633c37f1"},{"type":"WEB","url":"https://git.kernel.org/stable/c/6cff14b831dbdb32675b4c7904dcc3eeeaf47e9d"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a4e305ed60f7c41bbf9aabc16dd75267194e0de3"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d82796a57cc0dac1dbef19d913c8f02a8cc7b1a7"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/23xxx/CVE-2026-23020.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-23020"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"55c82617c3e82210b7471e9334e8fc5df6a9961f"},{"fixed":"053ac9e37eee435e999277c0f1ef890dad6064bf"},{"fixed":"6cff14b831dbdb32675b4c7904dcc3eeeaf47e9d"},{"fixed":"606872c8e8bf96066730f6a2317502c5633c37f1"},{"fixed":"28b2a805609699be7b90020ae7dccfb234be1ceb"},{"fixed":"2f05f7737e16d9a40038cc1c38a96a3f7964898b"},{"fixed":"d82796a57cc0dac1dbef19d913c8f02a8cc7b1a7"},{"fixed":"a4e305ed60f7c41bbf9aabc16dd75267194e0de3"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"0"},{"last_affected":"d30fdc02c49ad9965bba25015ae66c22dae967d1"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-23020.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.17.0"},{"fixed":"5.10.248"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.198"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.161"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.121"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.66"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.6"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-23020.json"}}],"schema_version":"1.7.5"}