{"api_version":"1","generated_at":"2026-06-14T18:36:36+00:00","cve":"CVE-2026-46332","urls":{"html":"https://cve.report/CVE-2026-46332","api":"https://cve.report/api/cve/CVE-2026-46332.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-46332","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-46332"},"summary":{"title":"greybus: gb-beagleplay: bound bootloader receive buffering","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ngreybus: gb-beagleplay: bound bootloader receive buffering\n\ncc1352_bootloader_rx() appends each serdev chunk into the fixed\nrx_buffer before parsing bootloader packets. The helper can keep\nleftover bytes between callbacks and may receive multiple packets in one\ncallback, so a single count value is not constrained by one packet\nlength.\n\nCheck that the incoming chunk fits in the remaining receive buffer space\nbefore memcpy(). If it does not, drop the staged data and consume the\nbytes instead of overflowing rx_buffer.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-06-09 14:16:42","updated_at":"2026-06-14 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Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-46332","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 0cf7befa3ea2e7284d8ba5b8f45a546865b09edb 663c2728a6d0f781044431111b53a27f71027e48 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 0cf7befa3ea2e7284d8ba5b8f45a546865b09edb fb91d4e49fcbea0b5091394ac5b8f7d4124265c3 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 0cf7befa3ea2e7284d8ba5b8f45a546865b09edb 0339a746ff7cd3f9d10f565e89c99dc93191e58d git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 0cf7befa3ea2e7284d8ba5b8f45a546865b09edb 1214bf28965ceaf584fb20d357731264dd2e10e1 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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the Linux kernel, the following vulnerability has been resolved:\n\ngreybus: gb-beagleplay: bound bootloader receive buffering\n\ncc1352_bootloader_rx() appends each serdev chunk into the fixed\nrx_buffer before parsing bootloader packets. The helper can keep\nleftover bytes between callbacks and may receive multiple packets in one\ncallback, so a single count value is not constrained by one packet\nlength.\n\nCheck that the incoming chunk fits in the remaining receive buffer space\nbefore memcpy(). If it does not, drop the staged data and consume the\nbytes instead of overflowing rx_buffer."}],"metrics":[{"cvssV3_1":{"baseScore":8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","version":"3.1"}}],"providerMetadata":{"dateUpdated":"2026-06-14T04:30:30.392Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/663c2728a6d0f781044431111b53a27f71027e48"},{"url":"https://git.kernel.org/stable/c/fb91d4e49fcbea0b5091394ac5b8f7d4124265c3"},{"url":"https://git.kernel.org/stable/c/0339a746ff7cd3f9d10f565e89c99dc93191e58d"},{"url":"https://git.kernel.org/stable/c/1214bf28965ceaf584fb20d357731264dd2e10e1"}],"title":"greybus: gb-beagleplay: bound bootloader receive buffering","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-46332","datePublished":"2026-06-09T12:36:00.450Z","dateReserved":"2026-05-13T15:03:33.113Z","dateUpdated":"2026-06-14T04:30:30.392Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-06-09 14:16:42","lastModifiedDate":"2026-06-14 06:16:25","problem_types":[],"metrics":{"cvssMetricV31":[{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","baseScore":8,"baseSeverity":"HIGH","attackVector":"ADJACENT_NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":2.1,"impactScore":5.9}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"46332","Ordinal":"1","Title":"greybus: gb-beagleplay: bound bootloader receive buffering","CVE":"CVE-2026-46332","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"46332","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\ngreybus: gb-beagleplay: bound bootloader receive buffering\n\ncc1352_bootloader_rx() appends each serdev chunk into the fixed\nrx_buffer before parsing bootloader packets. The helper can keep\nleftover bytes between callbacks and may receive multiple packets in one\ncallback, so a single count value is not constrained by one packet\nlength.\n\nCheck that the incoming chunk fits in the remaining receive buffer space\nbefore memcpy(). If it does not, drop the staged data and consume the\nbytes instead of overflowing rx_buffer.","Type":"Description","Title":"greybus: gb-beagleplay: bound bootloader receive buffering"}]}}}