{"api_version":"1","generated_at":"2026-05-30T12:19:03+00:00","cve":"CVE-2026-46190","urls":{"html":"https://cve.report/CVE-2026-46190","api":"https://cve.report/api/cve/CVE-2026-46190.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-46190","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-46190"},"summary":{"title":"mtd: spi-nor: debugfs: fix out-of-bounds read in spi_nor_params_show()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmtd: spi-nor: debugfs: fix out-of-bounds read in spi_nor_params_show()\n\nSashiko noticed an out-of-bounds read [1].\n\nIn spi_nor_params_show(), the snor_f_names array is passed to\nspi_nor_print_flags() using sizeof(snor_f_names).\n\nSince snor_f_names is an array of pointers, sizeof() returns the total\nnumber of bytes occupied by the pointers\n\t(element_count * sizeof(void *))\nrather than the element count itself. On 64-bit systems, this makes the\npassed length 8x larger than intended.\n\nInside spi_nor_print_flags(), the 'names_len' argument is used to\nbounds-check the 'names' array access. An out-of-bounds read occurs\nif a flag bit is set that exceeds the array's actual element count\nbut is within the inflated byte-size count.\n\nCorrect this by using ARRAY_SIZE() to pass the actual number of\nstring pointers in the array.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-05-28 10:16:34","updated_at":"2026-05-30 11:17:25"},"problem_types":[],"metrics":[{"version":"3.1","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","score":"7.1","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","baseScore":7.1,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"7.1","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","data":{"baseScore":7.1,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","version":"3.1"}}],"references":[{"url":"https://git.kernel.org/stable/c/9a80c458320e0514e11945402dd6e48fcee05524","name":"https://git.kernel.org/stable/c/9a80c458320e0514e11945402dd6e48fcee05524","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/e47029b977e747cb3a9174308fd55762cce70147","name":"https://git.kernel.org/stable/c/e47029b977e747cb3a9174308fd55762cce70147","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/34bdcfb496b29f9a52431194f94473b37fb8c162","name":"https://git.kernel.org/stable/c/34bdcfb496b29f9a52431194f94473b37fb8c162","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/ca18c180b053f6ce80394322b314ac721c316af7","name":"https://git.kernel.org/stable/c/ca18c180b053f6ce80394322b314ac721c316af7","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/c0b654bc0b76a1da102d9138be1ed1223bd99310","name":"https://git.kernel.org/stable/c/c0b654bc0b76a1da102d9138be1ed1223bd99310","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-46190","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-46190","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 0257be79fc4a16a3252ce80aa13b3640f728c425 9a80c458320e0514e11945402dd6e48fcee05524 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 0257be79fc4a16a3252ce80aa13b3640f728c425 ca18c180b053f6ce80394322b314ac721c316af7 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 0257be79fc4a16a3252ce80aa13b3640f728c425 34bdcfb496b29f9a52431194f94473b37fb8c162 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 0257be79fc4a16a3252ce80aa13b3640f728c425 c0b654bc0b76a1da102d9138be1ed1223bd99310 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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the Linux kernel, the following vulnerability has been resolved:\n\nmtd: spi-nor: debugfs: fix out-of-bounds read in spi_nor_params_show()\n\nSashiko noticed an out-of-bounds read [1].\n\nIn spi_nor_params_show(), the snor_f_names array is passed to\nspi_nor_print_flags() using sizeof(snor_f_names).\n\nSince snor_f_names is an array of pointers, sizeof() returns the total\nnumber of bytes occupied by the pointers\n\t(element_count * sizeof(void *))\nrather than the element count itself. On 64-bit systems, this makes the\npassed length 8x larger than intended.\n\nInside spi_nor_print_flags(), the 'names_len' argument is used to\nbounds-check the 'names' array access. An out-of-bounds read occurs\nif a flag bit is set that exceeds the array's actual element count\nbut is within the inflated byte-size count.\n\nCorrect this by using ARRAY_SIZE() to pass the actual number of\nstring pointers in the array."}],"metrics":[{"cvssV3_1":{"baseScore":7.1,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","version":"3.1"}}],"providerMetadata":{"dateUpdated":"2026-05-30T10:48:53.686Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/9a80c458320e0514e11945402dd6e48fcee05524"},{"url":"https://git.kernel.org/stable/c/ca18c180b053f6ce80394322b314ac721c316af7"},{"url":"https://git.kernel.org/stable/c/34bdcfb496b29f9a52431194f94473b37fb8c162"},{"url":"https://git.kernel.org/stable/c/c0b654bc0b76a1da102d9138be1ed1223bd99310"},{"url":"https://git.kernel.org/stable/c/e47029b977e747cb3a9174308fd55762cce70147"}],"title":"mtd: spi-nor: debugfs: fix out-of-bounds read in spi_nor_params_show()","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-46190","datePublished":"2026-05-28T09:36:44.017Z","dateReserved":"2026-05-13T15:03:33.104Z","dateUpdated":"2026-05-30T10:48:53.686Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-05-28 10:16:34","lastModifiedDate":"2026-05-30 11:17:25","problem_types":[],"metrics":{"cvssMetricV31":[{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","baseScore":7.1,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.2}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"46190","Ordinal":"1","Title":"mtd: spi-nor: debugfs: fix out-of-bounds read in spi_nor_params_","CVE":"CVE-2026-46190","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"46190","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nmtd: spi-nor: debugfs: fix out-of-bounds read in spi_nor_params_show()\n\nSashiko noticed an out-of-bounds read [1].\n\nIn spi_nor_params_show(), the snor_f_names array is passed to\nspi_nor_print_flags() using sizeof(snor_f_names).\n\nSince snor_f_names is an array of pointers, sizeof() returns the total\nnumber of bytes occupied by the pointers\n\t(element_count * sizeof(void *))\nrather than the element count itself. On 64-bit systems, this makes the\npassed length 8x larger than intended.\n\nInside spi_nor_print_flags(), the 'names_len' argument is used to\nbounds-check the 'names' array access. An out-of-bounds read occurs\nif a flag bit is set that exceeds the array's actual element count\nbut is within the inflated byte-size count.\n\nCorrect this by using ARRAY_SIZE() to pass the actual number of\nstring pointers in the array.","Type":"Description","Title":"mtd: spi-nor: debugfs: fix out-of-bounds read in spi_nor_params_"}]}}}