{"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"}

{"bugzilla": {"description": "kernel: spi: ch341: fix memory leaks on probe failures", "id": "2482182", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2482182"}, "csaw": false, "cwe": "CWE-772", "details": ["A flaw was found in the Linux kernel, specifically within the spi: ch341 driver. This vulnerability occurs during probe failures, leading to memory leaks and use-after-free conditions. These issues can result in system instability or a denial of service, potentially allowing an attacker to impact system availability."], "name": "CVE-2026-46074", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-05-27T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-46074\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-46074\nhttps://lore.kernel.org/linux-cve-announce/2026052759-CVE-2026-46074-8ff5@gregkh/T"]}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[8846739f52afa07e63395c80227dc544f54bd7b1,5c6518633702d7f7b1153e9d8e042af847f11ef3)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[8846739f52afa07e63395c80227dc544f54bd7b1,ff8a7996dc8bf433efe2126ffdaee5b374a89e30)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[8846739f52afa07e63395c80227dc544f54bd7b1,9bee2faf9e21c796d0d222c9d84a98f41bd303a0)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[8846739f52afa07e63395c80227dc544f54bd7b1,b99e3ddb91b499d920e63a2daff8880be68cfe9e)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "6.11"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.11)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.86,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.27,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.0.4,7.1.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.1-rc1,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-05-27T22:30:35.627313+00:00", "updated": "2026-05-28T04:30:06.991311+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}