{"api_version":"1","generated_at":"2026-10-22T01:49:00+00:00","cve":"CVE-2026-98620","urls":{"html":"https://cve.report/CVE-2026-98620","api":"https://cve.report/api/cve/CVE-2026-98620.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-98620","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-98620"},"summary":{"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":"PUBLISHED","assigner":"Linux","published_at":"2026-10-18 16:17:14","updated_at":"2026-10-19 10:19:26"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/7254b702e556158e34b4d7c168b5d8e7da5978af","name":"https://git.kernel.org/stable/c/7254b702e556158e34b4d7c168b5d8e7da5978af","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/310d1ac61a4d5a2ca8356a3a48d263acf54503ce","name":"https://git.kernel.org/stable/c/310d1ac61a4d5a2ca8356a3a48d263acf54503ce","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/245bea0c7ab278150c70366bdeb69b901327133c","name":"https://git.kernel.org/stable/c/245bea0c7ab278150c70366bdeb69b901327133c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/ab3bde3b3e56331b4f53a1f6cf4e5e9d1c14c1a0","name":"https://git.kernel.org/stable/c/ab3bde3b3e56331b4f53a1f6cf4e5e9d1c14c1a0","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/0fdb944d4df02223c67d5e65c4c134ecb57a5668","name":"https://git.kernel.org/stable/c/0fdb944d4df02223c67d5e65c4c134ecb57a5668","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-98620","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98620","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 8a8a9e89f801ce5d3d1d57ac48db678caf072147 245bea0c7ab278150c70366bdeb69b901327133c git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 8a8a9e89f801ce5d3d1d57ac48db678caf072147 ab3bde3b3e56331b4f53a1f6cf4e5e9d1c14c1a0 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 8a8a9e89f801ce5d3d1d57ac48db678caf072147 7254b702e556158e34b4d7c168b5d8e7da5978af git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 8a8a9e89f801ce5d3d1d57ac48db678caf072147 0fdb944d4df02223c67d5e65c4c134ecb57a5668 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 8a8a9e89f801ce5d3d1d57ac48db678caf072147 310d1ac61a4d5a2ca8356a3a48d263acf54503ce git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4.9","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 4.9 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.158 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.112 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.55 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.9 7.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.3 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/net/ethernet/mediatek/mtk_eth_soc.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"245bea0c7ab278150c70366bdeb69b901327133c","status":"affected","version":"8a8a9e89f801ce5d3d1d57ac48db678caf072147","versionType":"git"},{"lessThan":"ab3bde3b3e56331b4f53a1f6cf4e5e9d1c14c1a0","status":"affected","version":"8a8a9e89f801ce5d3d1d57ac48db678caf072147","versionType":"git"},{"lessThan":"7254b702e556158e34b4d7c168b5d8e7da5978af","status":"affected","version":"8a8a9e89f801ce5d3d1d57ac48db678caf072147","versionType":"git"},{"lessThan":"0fdb944d4df02223c67d5e65c4c134ecb57a5668","status":"affected","version":"8a8a9e89f801ce5d3d1d57ac48db678caf072147","versionType":"git"},{"lessThan":"310d1ac61a4d5a2ca8356a3a48d263acf54503ce","status":"affected","version":"8a8a9e89f801ce5d3d1d57ac48db678caf072147","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/ethernet/mediatek/mtk_eth_soc.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.9"},{"lessThan":"4.9","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.158","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.112","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.55","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.9","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.158","versionStartIncluding":"4.9","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.112","versionStartIncluding":"4.9","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.55","versionStartIncluding":"4.9","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.9","versionStartIncluding":"4.9","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3","versionStartIncluding":"4.9","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"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."}],"providerMetadata":{"dateUpdated":"2026-10-19T09:22:48.289Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/245bea0c7ab278150c70366bdeb69b901327133c"},{"url":"https://git.kernel.org/stable/c/ab3bde3b3e56331b4f53a1f6cf4e5e9d1c14c1a0"},{"url":"https://git.kernel.org/stable/c/7254b702e556158e34b4d7c168b5d8e7da5978af"},{"url":"https://git.kernel.org/stable/c/0fdb944d4df02223c67d5e65c4c134ecb57a5668"},{"url":"https://git.kernel.org/stable/c/310d1ac61a4d5a2ca8356a3a48d263acf54503ce"}],"title":"net: ethernet: mtk_eth_soc: unregister net_devices in case of probe failure","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-98620","datePublished":"2026-10-18T15:19:40.320Z","dateReserved":"2026-09-25T10:25:14.360Z","dateUpdated":"2026-10-19T09:22:48.289Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-10-18 16:17:14","lastModifiedDate":"2026-10-19 10:19:26","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"98620","Ordinal":"1","Title":"net: ethernet: mtk_eth_soc: unregister net_devices in case of pr","CVE":"CVE-2026-98620","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"98620","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"net: ethernet: mtk_eth_soc: unregister net_devices in case of pr"}]}}}