{"id":"CVE-2026-98620","summary":"net: ethernet: mtk_eth_soc: unregister net_devices in case of probe failure","details":"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-\u003ereg_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.","modified":"2026-10-20T02:31:06.250015391Z","published":"2026-10-18T15:19:40.320Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98620.json","cna_assigner":"Linux"},"references":[{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"},{"type":"WEB","url":"https://git.kernel.org/stable/c/0fdb944d4df02223c67d5e65c4c134ecb57a5668"},{"type":"WEB","url":"https://git.kernel.org/stable/c/245bea0c7ab278150c70366bdeb69b901327133c"},{"type":"WEB","url":"https://git.kernel.org/stable/c/310d1ac61a4d5a2ca8356a3a48d263acf54503ce"},{"type":"WEB","url":"https://git.kernel.org/stable/c/7254b702e556158e34b4d7c168b5d8e7da5978af"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ab3bde3b3e56331b4f53a1f6cf4e5e9d1c14c1a0"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98620.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98620"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"8a8a9e89f801ce5d3d1d57ac48db678caf072147"},{"fixed":"245bea0c7ab278150c70366bdeb69b901327133c"},{"fixed":"ab3bde3b3e56331b4f53a1f6cf4e5e9d1c14c1a0"},{"fixed":"7254b702e556158e34b4d7c168b5d8e7da5978af"},{"fixed":"0fdb944d4df02223c67d5e65c4c134ecb57a5668"},{"fixed":"310d1ac61a4d5a2ca8356a3a48d263acf54503ce"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-98620.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.9.0"},{"fixed":"6.6.158"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.112"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.55"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.2.9"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-98620.json"}}],"schema_version":"1.9.0"}