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This patch replaces this mechanism\nwith proper error handling and resolves the syzbot reported bug.\n\nSinged-off-by: Jori Koolstra <jkoolstra@xs4all.nl>"}],"providerMetadata":{"dateUpdated":"2026-05-07T17:14:53.111Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/b6536c1ced315fa645576d3a39c6e07f2a472962"},{"url":"https://git.kernel.org/stable/c/b226804532a875c10276168dc55ce752944096bd"}],"title":"hfs: Replace BUG_ON with error handling for CNID count checks","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-43228","datePublished":"2026-05-06T11:28:26.292Z","dateReserved":"2026-05-01T14:12:55.994Z","dateUpdated":"2026-05-07T17:14:53.111Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-05-06 12:16:42","lastModifiedDate":"2026-05-08 21:16:13","problem_types":["CWE-617"],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":3.6}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.18","versionEndExcluding":"6.19.6","matchCriteriaId":"4B8DEC15-D63A-48FF-9525-4CAB1A20C19D"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"43228","Ordinal":"1","Title":"hfs: Replace BUG_ON with error handling for CNID count checks","CVE":"CVE-2026-43228","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"43228","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nhfs: Replace BUG_ON with error handling for CNID count checks\n\nIn a06ec283e125 next_id, folder_count, and file_count in the super block\ninfo were expanded to 64 bits, and BUG_ONs were added to detect\noverflow. This triggered an error reported by syzbot: if the MDB is\ncorrupted, the BUG_ON is triggered. This patch replaces this mechanism\nwith proper error handling and resolves the syzbot reported bug.\n\nSinged-off-by: Jori Koolstra <jkoolstra@xs4all.nl>","Type":"Description","Title":"hfs: Replace BUG_ON with error handling for CNID count checks"}]}}}