{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-46074", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-13T15:03:33.096Z", "datePublished": "2026-05-27T12:58:04.703Z", "dateUpdated": "2026-05-27T12:58:04.703Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-27T12:58:04.703Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nspi: ch341: fix memory leaks on probe failures\n\nMake sure to deregister the controller, disable pins, and kill and free\nthe RX URB on probe failures to mirror disconnect and avoid memory\nleaks and use-after-free.\n\nAlso add an explicit URB kill on disconnect for symmetry (even if that\nis not strictly required as USB core would have stopped it in the\ncurrent setup)."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/spi/spi-ch341.c"], "versions": [{"version": "8846739f52afa07e63395c80227dc544f54bd7b1", "lessThan": "5c6518633702d7f7b1153e9d8e042af847f11ef3", "status": "affected", "versionType": "git"}, {"version": "8846739f52afa07e63395c80227dc544f54bd7b1", "lessThan": "ff8a7996dc8bf433efe2126ffdaee5b374a89e30", "status": "affected", "versionType": "git"}, {"version": "8846739f52afa07e63395c80227dc544f54bd7b1", "lessThan": "9bee2faf9e21c796d0d222c9d84a98f41bd303a0", "status": "affected", "versionType": "git"}, {"version": "8846739f52afa07e63395c80227dc544f54bd7b1", "lessThan": "b99e3ddb91b499d920e63a2daff8880be68cfe9e", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/spi/spi-ch341.c"], "versions": [{"version": "6.11", "status": "affected"}, {"version": "0", "lessThan": "6.11", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.86", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.27", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0.4", "lessThanOrEqual": "7.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1-rc1", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.11", "versionEndExcluding": "6.12.86"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.11", "versionEndExcluding": "6.18.27"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.11", "versionEndExcluding": "7.0.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.11", "versionEndExcluding": "7.1-rc1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/5c6518633702d7f7b1153e9d8e042af847f11ef3"}, {"url": "https://git.kernel.org/stable/c/ff8a7996dc8bf433efe2126ffdaee5b374a89e30"}, {"url": "https://git.kernel.org/stable/c/9bee2faf9e21c796d0d222c9d84a98f41bd303a0"}, {"url": "https://git.kernel.org/stable/c/b99e3ddb91b499d920e63a2daff8880be68cfe9e"}], "title": "spi: ch341: fix memory leaks on probe failures", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nspi: ch341: fix memory leaks on probe failures\n\nMake sure to deregister the controller, disable pins, and kill and free\nthe RX URB on probe failures to mirror disconnect and avoid memory\nleaks and use-after-free.\n\nAlso add an explicit URB kill on disconnect for symmetry (even if that\nis not strictly required as USB core would have stopped it in the\ncurrent setup)."}], "id": "CVE-2026-46074", "lastModified": "2026-05-27T14:48:03.013", "metrics": {}, "published": "2026-05-27T14:17:28.717", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5c6518633702d7f7b1153e9d8e042af847f11ef3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9bee2faf9e21c796d0d222c9d84a98f41bd303a0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b99e3ddb91b499d920e63a2daff8880be68cfe9e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ff8a7996dc8bf433efe2126ffdaee5b374a89e30"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{}

{}