{"api_version":"1","generated_at":"2026-05-28T16:30:03+00:00","cve":"CVE-2026-46228","urls":{"html":"https://cve.report/CVE-2026-46228","api":"https://cve.report/api/cve/CVE-2026-46228.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-46228","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-46228"},"summary":{"title":"spi: ch341: fix devres lifetime","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nspi: ch341: fix devres lifetime\n\nUSB drivers bind to USB interfaces and any device managed resources\nshould have their lifetime tied to the interface rather than parent USB\ndevice. This avoids issues like memory leaks when drivers are unbound\nwithout their devices being physically disconnected (e.g. on probe\ndeferral or configuration changes).\n\nFix the controller and driver data lifetime so that they are released\non driver unbind.\n\nNote that this also makes sure that the SPI controller is placed\ncorrectly under the USB interface in the device tree.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-05-28 10:16:38","updated_at":"2026-05-28 13:44:01"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/abe572f630bc1f0e77041012ab075869036ede4f","name":"https://git.kernel.org/stable/c/abe572f630bc1f0e77041012ab075869036ede4f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/4422fc2411cbbdf5104a914e0596bb483faea254","name":"https://git.kernel.org/stable/c/4422fc2411cbbdf5104a914e0596bb483faea254","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/108a64b27a52f781c4f3751641e3dd65c7dd2fb5","name":"https://git.kernel.org/stable/c/108a64b27a52f781c4f3751641e3dd65c7dd2fb5","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-46228","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-46228","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 8846739f52afa07e63395c80227dc544f54bd7b1 4422fc2411cbbdf5104a914e0596bb483faea254 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 8846739f52afa07e63395c80227dc544f54bd7b1 108a64b27a52f781c4f3751641e3dd65c7dd2fb5 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 8846739f52afa07e63395c80227dc544f54bd7b1 abe572f630bc1f0e77041012ab075869036ede4f git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.11","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.11 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.32 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0.9 7.0.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1-rc1 * 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/spi/spi-ch341.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"4422fc2411cbbdf5104a914e0596bb483faea254","status":"affected","version":"8846739f52afa07e63395c80227dc544f54bd7b1","versionType":"git"},{"lessThan":"108a64b27a52f781c4f3751641e3dd65c7dd2fb5","status":"affected","version":"8846739f52afa07e63395c80227dc544f54bd7b1","versionType":"git"},{"lessThan":"abe572f630bc1f0e77041012ab075869036ede4f","status":"affected","version":"8846739f52afa07e63395c80227dc544f54bd7b1","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/spi/spi-ch341.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.11"},{"lessThan":"6.11","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.32","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.9","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1-rc1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.32","versionStartIncluding":"6.11","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0.9","versionStartIncluding":"6.11","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1-rc1","versionStartIncluding":"6.11","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nspi: ch341: fix devres lifetime\n\nUSB drivers bind to USB interfaces and any device managed resources\nshould have their lifetime tied to the interface rather than parent USB\ndevice. This avoids issues like memory leaks when drivers are unbound\nwithout their devices being physically disconnected (e.g. on probe\ndeferral or configuration changes).\n\nFix the controller and driver data lifetime so that they are released\non driver unbind.\n\nNote that this also makes sure that the SPI controller is placed\ncorrectly under the USB interface in the device tree."}],"providerMetadata":{"dateUpdated":"2026-05-28T09:40:48.689Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/4422fc2411cbbdf5104a914e0596bb483faea254"},{"url":"https://git.kernel.org/stable/c/108a64b27a52f781c4f3751641e3dd65c7dd2fb5"},{"url":"https://git.kernel.org/stable/c/abe572f630bc1f0e77041012ab075869036ede4f"}],"title":"spi: ch341: fix devres lifetime","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-46228","datePublished":"2026-05-28T09:40:48.689Z","dateReserved":"2026-05-13T15:03:33.106Z","dateUpdated":"2026-05-28T09:40:48.689Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-05-28 10:16:38","lastModifiedDate":"2026-05-28 13:44:01","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"46228","Ordinal":"1","Title":"spi: ch341: fix devres lifetime","CVE":"CVE-2026-46228","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"46228","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nspi: ch341: fix devres lifetime\n\nUSB drivers bind to USB interfaces and any device managed resources\nshould have their lifetime tied to the interface rather than parent USB\ndevice. This avoids issues like memory leaks when drivers are unbound\nwithout their devices being physically disconnected (e.g. on probe\ndeferral or configuration changes).\n\nFix the controller and driver data lifetime so that they are released\non driver unbind.\n\nNote that this also makes sure that the SPI controller is placed\ncorrectly under the USB interface in the device tree.","Type":"Description","Title":"spi: ch341: fix devres lifetime"}]}}}