{"api_version":"1","generated_at":"2026-05-28T20:30:03+00:00","cve":"CVE-2026-46105","urls":{"html":"https://cve.report/CVE-2026-46105","api":"https://cve.report/api/cve/CVE-2026-46105.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-46105","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-46105"},"summary":{"title":"scsi: mpt3sas: Limit NVMe request size to 2 MiB","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: mpt3sas: Limit NVMe request size to 2 MiB\n\nThe HBA firmware reports NVMe MDTS values based on the underlying drive\ncapability. However, because the driver allocates a fixed 4K buffer for\nthe PRP list, accommodating at most 512 entries, the driver supports a\nmaximum I/O transfer size of 2 MiB.\n\nLimit max_hw_sectors to the smaller of the reported MDTS and the 2 MiB\ndriver limit to prevent issuing oversized I/O that may lead to a kernel\noops.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-05-28 10:16:25","updated_at":"2026-05-28 13:44:01"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/45dcc815fc5539e88154315f36cbcb11d3a52fc2","name":"https://git.kernel.org/stable/c/45dcc815fc5539e88154315f36cbcb11d3a52fc2","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/e5f9824817c6358b9f9738bdb92dec9e4e794d3c","name":"https://git.kernel.org/stable/c/e5f9824817c6358b9f9738bdb92dec9e4e794d3c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/04631f55afc543d5431a2bdee7f6cc0f2c0debe7","name":"https://git.kernel.org/stable/c/04631f55afc543d5431a2bdee7f6cc0f2c0debe7","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-46105","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-46105","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 9b8b84879d4adc506b0d3944e20b28d9f3f6994b 45dcc815fc5539e88154315f36cbcb11d3a52fc2 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 9b8b84879d4adc506b0d3944e20b28d9f3f6994b e5f9824817c6358b9f9738bdb92dec9e4e794d3c git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 9b8b84879d4adc506b0d3944e20b28d9f3f6994b 04631f55afc543d5431a2bdee7f6cc0f2c0debe7 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.17","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.17 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.30 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0.7 7.0.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1-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/scsi/mpt3sas/mpt3sas_scsih.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"45dcc815fc5539e88154315f36cbcb11d3a52fc2","status":"affected","version":"9b8b84879d4adc506b0d3944e20b28d9f3f6994b","versionType":"git"},{"lessThan":"e5f9824817c6358b9f9738bdb92dec9e4e794d3c","status":"affected","version":"9b8b84879d4adc506b0d3944e20b28d9f3f6994b","versionType":"git"},{"lessThan":"04631f55afc543d5431a2bdee7f6cc0f2c0debe7","status":"affected","version":"9b8b84879d4adc506b0d3944e20b28d9f3f6994b","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/scsi/mpt3sas/mpt3sas_scsih.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.17"},{"lessThan":"6.17","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.30","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.7","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1-rc3","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.30","versionStartIncluding":"6.17","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0.7","versionStartIncluding":"6.17","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1-rc3","versionStartIncluding":"6.17","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: mpt3sas: Limit NVMe request size to 2 MiB\n\nThe HBA firmware reports NVMe MDTS values based on the underlying drive\ncapability. However, because the driver allocates a fixed 4K buffer for\nthe PRP list, accommodating at most 512 entries, the driver supports a\nmaximum I/O transfer size of 2 MiB.\n\nLimit max_hw_sectors to the smaller of the reported MDTS and the 2 MiB\ndriver limit to prevent issuing oversized I/O that may lead to a kernel\noops."}],"providerMetadata":{"dateUpdated":"2026-05-28T09:35:09.126Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/45dcc815fc5539e88154315f36cbcb11d3a52fc2"},{"url":"https://git.kernel.org/stable/c/e5f9824817c6358b9f9738bdb92dec9e4e794d3c"},{"url":"https://git.kernel.org/stable/c/04631f55afc543d5431a2bdee7f6cc0f2c0debe7"}],"title":"scsi: mpt3sas: Limit NVMe request size to 2 MiB","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-46105","datePublished":"2026-05-28T09:35:09.126Z","dateReserved":"2026-05-13T15:03:33.097Z","dateUpdated":"2026-05-28T09:35:09.126Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-05-28 10:16:25","lastModifiedDate":"2026-05-28 13:44:01","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"46105","Ordinal":"1","Title":"scsi: mpt3sas: Limit NVMe request size to 2 MiB","CVE":"CVE-2026-46105","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"46105","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: mpt3sas: Limit NVMe request size to 2 MiB\n\nThe HBA firmware reports NVMe MDTS values based on the underlying drive\ncapability. However, because the driver allocates a fixed 4K buffer for\nthe PRP list, accommodating at most 512 entries, the driver supports a\nmaximum I/O transfer size of 2 MiB.\n\nLimit max_hw_sectors to the smaller of the reported MDTS and the 2 MiB\ndriver limit to prevent issuing oversized I/O that may lead to a kernel\noops.","Type":"Description","Title":"scsi: mpt3sas: Limit NVMe request size to 2 MiB"}]}}}