{"api_version":"1","generated_at":"2026-07-20T14:42:18+00:00","cve":"CVE-2026-64170","urls":{"html":"https://cve.report/CVE-2026-64170","api":"https://cve.report/api/cve/CVE-2026-64170.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-64170","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-64170"},"summary":{"title":"spi: qup: fix error pointer deref after DMA setup failure","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nspi: qup: fix error pointer deref after DMA setup failure\n\nThe driver falls back to PIO mode if DMA setup fails during probe.\n\nMake sure to the clear the DMA channel pointers on setup failure to\navoid dereferencing an error pointer (or attempting to release a channel\na second time) on later probe errors or driver unbind.\n\nThis issue was flagged by Sashiko when reviewing a devres allocation\nconversion patch.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-07-19 16:17:59","updated_at":"2026-07-19 16:17:59"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/a7e8f3efd50a165ba0189f6dc57f7e51a7d149db","name":"https://git.kernel.org/stable/c/a7e8f3efd50a165ba0189f6dc57f7e51a7d149db","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/4bb4764f2c51f03f657a28029eb0595d8223aab5","name":"https://git.kernel.org/stable/c/4bb4764f2c51f03f657a28029eb0595d8223aab5","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/d577c55d189e7ae150973058d13e299b6855633f","name":"https://git.kernel.org/stable/c/d577c55d189e7ae150973058d13e299b6855633f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/0bb3bd442f0bdad3932739a61dd6c580c9c1955e","name":"https://git.kernel.org/stable/c/0bb3bd442f0bdad3932739a61dd6c580c9c1955e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/9e673affb92c29d9ba879bf4ea81c5e840166b56","name":"https://git.kernel.org/stable/c/9e673affb92c29d9ba879bf4ea81c5e840166b56","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/4f4051e9d644c371c50de4a042b85bba6727d5c3","name":"https://git.kernel.org/stable/c/4f4051e9d644c371c50de4a042b85bba6727d5c3","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/8f9b61d255b1e989b8913b06c8ebe0aba5e1b238","name":"https://git.kernel.org/stable/c/8f9b61d255b1e989b8913b06c8ebe0aba5e1b238","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/45760b72e84c1a1498f1a8a9047184c85299da20","name":"https://git.kernel.org/stable/c/45760b72e84c1a1498f1a8a9047184c85299da20","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-64170","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-64170","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 612762e82ae6058d69b4ce734598491bf030afe7 0bb3bd442f0bdad3932739a61dd6c580c9c1955e git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 612762e82ae6058d69b4ce734598491bf030afe7 d577c55d189e7ae150973058d13e299b6855633f git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 612762e82ae6058d69b4ce734598491bf030afe7 9e673affb92c29d9ba879bf4ea81c5e840166b56 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 612762e82ae6058d69b4ce734598491bf030afe7 45760b72e84c1a1498f1a8a9047184c85299da20 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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the Linux kernel, the following vulnerability has been resolved:\n\nspi: qup: fix error pointer deref after DMA setup failure\n\nThe driver falls back to PIO mode if DMA setup fails during probe.\n\nMake sure to the clear the DMA channel pointers on setup failure to\navoid dereferencing an error pointer (or attempting to release a channel\na second time) on later probe errors or driver unbind.\n\nThis issue was flagged by Sashiko when reviewing a devres allocation\nconversion patch."}],"providerMetadata":{"dateUpdated":"2026-07-19T15:40:54.999Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/0bb3bd442f0bdad3932739a61dd6c580c9c1955e"},{"url":"https://git.kernel.org/stable/c/d577c55d189e7ae150973058d13e299b6855633f"},{"url":"https://git.kernel.org/stable/c/9e673affb92c29d9ba879bf4ea81c5e840166b56"},{"url":"https://git.kernel.org/stable/c/45760b72e84c1a1498f1a8a9047184c85299da20"},{"url":"https://git.kernel.org/stable/c/8f9b61d255b1e989b8913b06c8ebe0aba5e1b238"},{"url":"https://git.kernel.org/stable/c/4bb4764f2c51f03f657a28029eb0595d8223aab5"},{"url":"https://git.kernel.org/stable/c/4f4051e9d644c371c50de4a042b85bba6727d5c3"},{"url":"https://git.kernel.org/stable/c/a7e8f3efd50a165ba0189f6dc57f7e51a7d149db"}],"title":"spi: qup: fix error pointer deref after DMA setup failure","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-64170","datePublished":"2026-07-19T15:40:54.999Z","dateReserved":"2026-07-19T07:54:57.039Z","dateUpdated":"2026-07-19T15:40:54.999Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-07-19 16:17:59","lastModifiedDate":"2026-07-19 16:17:59","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"64170","Ordinal":"1","Title":"spi: qup: fix error pointer deref after DMA setup failure","CVE":"CVE-2026-64170","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"64170","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nspi: qup: fix error pointer deref after DMA setup failure\n\nThe driver falls back to PIO mode if DMA setup fails during probe.\n\nMake sure to the clear the DMA channel pointers on setup failure to\navoid dereferencing an error pointer (or attempting to release a channel\na second time) on later probe errors or driver unbind.\n\nThis issue was flagged by Sashiko when reviewing a devres allocation\nconversion patch.","Type":"Description","Title":"spi: qup: fix error pointer deref after DMA setup failure"}]}}}