{"api_version":"1","generated_at":"2026-10-06T15:36:12+00:00","cve":"CVE-2026-98285","urls":{"html":"https://cve.report/CVE-2026-98285","api":"https://cve.report/api/cve/CVE-2026-98285.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-98285","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-98285"},"summary":{"title":"net: bridge: vlan: fix bugs caused by switchdev deletion errors","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: bridge: vlan: fix bugs caused by switchdev deletion errors\n\nAllowing switchdev to prevent vlan deletion and error out in __vlan_del\ncould cause multiple different issues - inconsistent state, memory leaks\nwhen flushing, NULL pointer dereference on bridge error when flushing.\nIt doesn't make sense to allow it to stop __vlan_del, so log the error\nand continue with software vlan deletion. This is also consistent with\n8021q behaviour.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-10-06 09:18:18","updated_at":"2026-10-06 09:18:18"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/ed3ea86db736a30bebf49b947c42730e8451bcd2","name":"https://git.kernel.org/stable/c/ed3ea86db736a30bebf49b947c42730e8451bcd2","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/2842ce397dd09882530b42f7fdb0c855767eb24e","name":"https://git.kernel.org/stable/c/2842ce397dd09882530b42f7fdb0c855767eb24e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-98285","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98285","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected bf361ad38165939049a2649b1a0078f3268d4bd1 ed3ea86db736a30bebf49b947c42730e8451bcd2 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected bf361ad38165939049a2649b1a0078f3268d4bd1 2842ce397dd09882530b42f7fdb0c855767eb24e git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4.3","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 4.3 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.8 7.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.3-rc4 * 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":["net/bridge/br_vlan.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"ed3ea86db736a30bebf49b947c42730e8451bcd2","status":"affected","version":"bf361ad38165939049a2649b1a0078f3268d4bd1","versionType":"git"},{"lessThan":"2842ce397dd09882530b42f7fdb0c855767eb24e","status":"affected","version":"bf361ad38165939049a2649b1a0078f3268d4bd1","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["net/bridge/br_vlan.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.3"},{"lessThan":"4.3","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.8","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3-rc4","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.8","versionStartIncluding":"4.3","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3-rc4","versionStartIncluding":"4.3","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: bridge: vlan: fix bugs caused by switchdev deletion errors\n\nAllowing switchdev to prevent vlan deletion and error out in __vlan_del\ncould cause multiple different issues - inconsistent state, memory leaks\nwhen flushing, NULL pointer dereference on bridge error when flushing.\nIt doesn't make sense to allow it to stop __vlan_del, so log the error\nand continue with software vlan deletion. This is also consistent with\n8021q behaviour."}],"providerMetadata":{"dateUpdated":"2026-10-06T08:45:46.332Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/ed3ea86db736a30bebf49b947c42730e8451bcd2"},{"url":"https://git.kernel.org/stable/c/2842ce397dd09882530b42f7fdb0c855767eb24e"}],"title":"net: bridge: vlan: fix bugs caused by switchdev deletion errors","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-98285","datePublished":"2026-10-06T08:45:46.332Z","dateReserved":"2026-09-25T10:25:14.335Z","dateUpdated":"2026-10-06T08:45:46.332Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-10-06 09:18:18","lastModifiedDate":"2026-10-06 09:18:18","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"98285","Ordinal":"1","Title":"net: bridge: vlan: fix bugs caused by switchdev deletion errors","CVE":"CVE-2026-98285","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"98285","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: bridge: vlan: fix bugs caused by switchdev deletion errors\n\nAllowing switchdev to prevent vlan deletion and error out in __vlan_del\ncould cause multiple different issues - inconsistent state, memory leaks\nwhen flushing, NULL pointer dereference on bridge error when flushing.\nIt doesn't make sense to allow it to stop __vlan_del, so log the error\nand continue with software vlan deletion. This is also consistent with\n8021q behaviour.","Type":"Description","Title":"net: bridge: vlan: fix bugs caused by switchdev deletion errors"}]}}}