{"id":"CVE-2026-23020","state":"PUBLISHED","title":"net: 3com: 3c59x: fix possible null dereference in vortex_probe1()","description":"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.","publishedAt":"2026-01-31T11:39:04.023Z","updatedAt":"2026-05-23T16:03:43.973Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"55c82617c3e82210b7471e9334e8fc5df6a9961f","status":"affected","lessThan":"053ac9e37eee435e999277c0f1ef890dad6064bf","versionType":"git"},{"version":"55c82617c3e82210b7471e9334e8fc5df6a9961f","status":"affected","lessThan":"6cff14b831dbdb32675b4c7904dcc3eeeaf47e9d","versionType":"git"},{"version":"55c82617c3e82210b7471e9334e8fc5df6a9961f","status":"affected","lessThan":"606872c8e8bf96066730f6a2317502c5633c37f1","versionType":"git"},{"version":"55c82617c3e82210b7471e9334e8fc5df6a9961f","status":"affected","lessThan":"28b2a805609699be7b90020ae7dccfb234be1ceb","versionType":"git"},{"version":"55c82617c3e82210b7471e9334e8fc5df6a9961f","status":"affected","lessThan":"2f05f7737e16d9a40038cc1c38a96a3f7964898b","versionType":"git"},{"version":"55c82617c3e82210b7471e9334e8fc5df6a9961f","status":"affected","lessThan":"d82796a57cc0dac1dbef19d913c8f02a8cc7b1a7","versionType":"git"},{"version":"55c82617c3e82210b7471e9334e8fc5df6a9961f","status":"affected","lessThan":"a4e305ed60f7c41bbf9aabc16dd75267194e0de3","versionType":"git"},{"version":"d30fdc02c49ad9965bba25015ae66c22dae967d1","status":"affected","versionType":"git"},{"version":"4.16.12","status":"affected","lessThan":"4.17","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/3com/3c59x.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.17","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.17","versionType":"semver"},{"version":"5.10.248","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.198","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.161","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.121","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.66","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.6","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/3com/3c59x.c"]}],"references":["https://git.kernel.org/stable/c/053ac9e37eee435e999277c0f1ef890dad6064bf","https://git.kernel.org/stable/c/6cff14b831dbdb32675b4c7904dcc3eeeaf47e9d","https://git.kernel.org/stable/c/606872c8e8bf96066730f6a2317502c5633c37f1","https://git.kernel.org/stable/c/28b2a805609699be7b90020ae7dccfb234be1ceb","https://git.kernel.org/stable/c/2f05f7737e16d9a40038cc1c38a96a3f7964898b","https://git.kernel.org/stable/c/d82796a57cc0dac1dbef19d913c8f02a8cc7b1a7","https://git.kernel.org/stable/c/a4e305ed60f7c41bbf9aabc16dd75267194e0de3"],"weaknesses":[],"ingestedAt":"2026-10-29T20:11:21.040Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/23xxx/CVE-2026-23020.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-23020","state":"PUBLISHED","datePublished":"2026-01-31T11:39:04.023Z","dateUpdated":"2026-05-23T16:03:43.973Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-01-13T15:37:45.941Z"},"containers":{"cna":{"title":"net: 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