{"api_version":"1","generated_at":"2026-09-26T03:03:19+00:00","cve":"CVE-2026-98018","urls":{"html":"https://cve.report/CVE-2026-98018","api":"https://cve.report/api/cve/CVE-2026-98018.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-98018","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-98018"},"summary":{"title":"net: mctp: i3c: serialize probe with bus removal","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: mctp: i3c: serialize probe with bus removal\n\nmctp_i3c_probe() drops busdevs_lock after finding the matching bus. A\nconcurrent I3C_NOTIFY_BUS_REMOVE can then unregister and free the bus\nnetdev before probe passes its private data to mctp_i3c_add_device().\nThe latter consequently adds a list node through a freed mbus pointer.\n\nKeep busdevs_lock held until the device has been added. This also\nsatisfies the __must_hold annotation on mctp_i3c_add_device().","state":"PUBLISHED","assigner":"Linux","published_at":"2026-09-25 11:17:30","updated_at":"2026-09-25 11:17:30"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/765c5e357e67916a7aac8ead4ac2fa7d2bffe000","name":"https://git.kernel.org/stable/c/765c5e357e67916a7aac8ead4ac2fa7d2bffe000","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/906d8dbafabfa81a30e3ade420cb9912f223a5e1","name":"https://git.kernel.org/stable/c/906d8dbafabfa81a30e3ade420cb9912f223a5e1","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/2b4707a149a55e8fa75c9ef32b359d60f470a566","name":"https://git.kernel.org/stable/c/2b4707a149a55e8fa75c9ef32b359d60f470a566","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/e6541b2747682fdb2c6ded4a7cf7c39c4067a35c","name":"https://git.kernel.org/stable/c/e6541b2747682fdb2c6ded4a7cf7c39c4067a35c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-98018","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98018","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected c8755b29b58ec65be17bcb8c40763d2dcb1f1db5 e6541b2747682fdb2c6ded4a7cf7c39c4067a35c git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected c8755b29b58ec65be17bcb8c40763d2dcb1f1db5 765c5e357e67916a7aac8ead4ac2fa7d2bffe000 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected c8755b29b58ec65be17bcb8c40763d2dcb1f1db5 906d8dbafabfa81a30e3ade420cb9912f223a5e1 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected c8755b29b58ec65be17bcb8c40763d2dcb1f1db5 2b4707a149a55e8fa75c9ef32b359d60f470a566 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.7","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.7 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.111 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.53 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.7 7.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.3-rc3 * 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/mctp/mctp-i3c.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"e6541b2747682fdb2c6ded4a7cf7c39c4067a35c","status":"affected","version":"c8755b29b58ec65be17bcb8c40763d2dcb1f1db5","versionType":"git"},{"lessThan":"765c5e357e67916a7aac8ead4ac2fa7d2bffe000","status":"affected","version":"c8755b29b58ec65be17bcb8c40763d2dcb1f1db5","versionType":"git"},{"lessThan":"906d8dbafabfa81a30e3ade420cb9912f223a5e1","status":"affected","version":"c8755b29b58ec65be17bcb8c40763d2dcb1f1db5","versionType":"git"},{"lessThan":"2b4707a149a55e8fa75c9ef32b359d60f470a566","status":"affected","version":"c8755b29b58ec65be17bcb8c40763d2dcb1f1db5","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/mctp/mctp-i3c.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.7"},{"lessThan":"6.7","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.111","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.53","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.7","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3-rc3","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.111","versionStartIncluding":"6.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.53","versionStartIncluding":"6.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.7","versionStartIncluding":"6.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3-rc3","versionStartIncluding":"6.7","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: mctp: i3c: serialize probe with bus removal\n\nmctp_i3c_probe() drops busdevs_lock after finding the matching bus. A\nconcurrent I3C_NOTIFY_BUS_REMOVE can then unregister and free the bus\nnetdev before probe passes its private data to mctp_i3c_add_device().\nThe latter consequently adds a list node through a freed mbus pointer.\n\nKeep busdevs_lock held until the device has been added. This also\nsatisfies the __must_hold annotation on mctp_i3c_add_device()."}],"providerMetadata":{"dateUpdated":"2026-09-25T10:23:39.706Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/e6541b2747682fdb2c6ded4a7cf7c39c4067a35c"},{"url":"https://git.kernel.org/stable/c/765c5e357e67916a7aac8ead4ac2fa7d2bffe000"},{"url":"https://git.kernel.org/stable/c/906d8dbafabfa81a30e3ade420cb9912f223a5e1"},{"url":"https://git.kernel.org/stable/c/2b4707a149a55e8fa75c9ef32b359d60f470a566"}],"title":"net: mctp: i3c: serialize probe with bus removal","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-98018","datePublished":"2026-09-25T10:23:39.706Z","dateReserved":"2026-09-25T10:19:56.069Z","dateUpdated":"2026-09-25T10:23:39.706Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-25 11:17:30","lastModifiedDate":"2026-09-25 11:17:30","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"98018","Ordinal":"1","Title":"net: mctp: i3c: serialize probe with bus removal","CVE":"CVE-2026-98018","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"98018","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: mctp: i3c: serialize probe with bus removal\n\nmctp_i3c_probe() drops busdevs_lock after finding the matching bus. A\nconcurrent I3C_NOTIFY_BUS_REMOVE can then unregister and free the bus\nnetdev before probe passes its private data to mctp_i3c_add_device().\nThe latter consequently adds a list node through a freed mbus pointer.\n\nKeep busdevs_lock held until the device has been added. This also\nsatisfies the __must_hold annotation on mctp_i3c_add_device().","Type":"Description","Title":"net: mctp: i3c: serialize probe with bus removal"}]}}}