{"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":"2026-06-14T17:52:24.650Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-06-14T17:52:24.650Z"},"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","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"}]}]}],"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"}}}}