{"id":"CVE-2026-98620","revision":"de0f285b5d204bf79b8ba41466f9f275","records":[{"revision":"de0f285b5d204bf79b8ba41466f9f275","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-98620","aliases":[],"title":"net: ethernet: mtk_eth_soc: unregister net_devices in case of probe failure","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: ethernet: mtk_eth_soc: unregister net_devices in case of probe failure\n\nIf register_netdev() fails for one of the MTK_MAX_DEVS devices in\nmtk_probe(), the error path jumps to err_deinit_ppe, skipping\nmtk_unreg_dev(). The previously registered net_devices are then freed by\nmtk_free_dev() while still in NETREG_REGISTERED state, hitting the\nBUG_ON(dev->reg_state != NETREG_UNREGISTERED).\n\nRoute the register_netdev() failure to err_unreg_netdev so the net_devices\nregistered so far are properly unregistered before being freed.","state":0,"publishedAt":"2026-10-18T15:19:40.32+00:00","modifiedAt":"2026-10-19T09:22:48.289+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/net/ethernet/mediatek/mtk_eth_soc.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"8a8a9e89f801ce5d3d1d57ac48db678caf072147\",\n                            \"lessThan\": \"245bea0c7ab278150c70366bdeb69b901327133c\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"8a8a9e89f801ce5d3d1d57ac48db678caf072147\",\n                            \"lessThan\": \"ab3bde3b3e56331b4f53a1f6cf4e5e9d1c14c1a0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"8a8a9e89f801ce5d3d1d57ac48db678caf072147\",\n                            \"lessThan\": \"7254b702e556158e34b4d7c168b5d8e7da5978af\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"8a8a9e89f801ce5d3d1d57ac48db678caf072147\",\n                            \"lessThan\": \"0fdb944d4df02223c67d5e65c4c134ecb57a5668\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"8a8a9e89f801ce5d3d1d57ac48db678caf072147\",\n                            \"lessThan\": \"310d1ac61a4d5a2ca8356a3a48d263acf54503ce\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/net/ethernet/mediatek/mtk_eth_soc.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"4.9\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"4.9\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.158\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.112\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.55\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.9\",\n                            \"lessThanOrEqual\": \"7.2.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.3\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/245bea0c7ab278150c70366bdeb69b901327133c","https://git.kernel.org/stable/c/ab3bde3b3e56331b4f53a1f6cf4e5e9d1c14c1a0","https://git.kernel.org/stable/c/7254b702e556158e34b4d7c168b5d8e7da5978af","https://git.kernel.org/stable/c/0fdb944d4df02223c67d5e65c4c134ecb57a5668","https://git.kernel.org/stable/c/310d1ac61a4d5a2ca8356a3a48d263acf54503ce"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-98620","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-98620","identifiers":["CVE-2026-98620"]},"retained":false,"historicalAffected":[]}],"coverage":[]}