{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-46932","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-02-25T13:45:52.720Z","datePublished":"2024-02-27T09:44:00.108Z","dateUpdated":"2025-05-04T07:00:36.105Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T07:00:36.105Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nInput: appletouch - initialize work before device registration\n\nSyzbot has reported warning in __flush_work(). This warning is caused by\nwork->func == NULL, which means missing work initialization.\n\nThis may happen, since input_dev->close() calls\ncancel_work_sync(&dev->work), but dev->work initalization happens _after_\ninput_register_device() call.\n\nSo this patch moves dev->work initialization before registering input\ndevice"}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/input/mouse/appletouch.c"],"versions":[{"version":"5a6eb676d3bc4d7a6feab200a92437b62ad298da","lessThan":"d2cb2bf39a6d17ef4bdc0e59c1a35cf5751ad8f4","status":"affected","versionType":"git"},{"version":"5a6eb676d3bc4d7a6feab200a92437b62ad298da","lessThan":"d1962f263a176f493400b8f91bfbf2bfedce951e","status":"affected","versionType":"git"},{"version":"5a6eb676d3bc4d7a6feab200a92437b62ad298da","lessThan":"292d2ac61fb0d9276a0f7b7ce4f50426f2a1c99f","status":"affected","versionType":"git"},{"version":"5a6eb676d3bc4d7a6feab200a92437b62ad298da","lessThan":"a02e1404e27855089d2b0a0acc4652c2ce65fe46","status":"affected","versionType":"git"},{"version":"5a6eb676d3bc4d7a6feab200a92437b62ad298da","lessThan":"975774ea7528b489930b76a77ffc4d5379b95ff2","status":"affected","versionType":"git"},{"version":"5a6eb676d3bc4d7a6feab200a92437b62ad298da","lessThan":"9f329d0d6c91142cf0ad08d23c72dd195db2633c","status":"affected","versionType":"git"},{"version":"5a6eb676d3bc4d7a6feab200a92437b62ad298da","lessThan":"e79ff8c68acb1eddf709d3ac84716868f2a91012","status":"affected","versionType":"git"},{"version":"5a6eb676d3bc4d7a6feab200a92437b62ad298da","lessThan":"9f3ccdc3f6ef10084ceb3a47df0961bec6196fd0","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/input/mouse/appletouch.c"],"versions":[{"version":"2.6.23","status":"affected"},{"version":"0","lessThan":"2.6.23","status":"unaffected","versionType":"semver"},{"version":"4.4.298","lessThanOrEqual":"4.4.*","status":"unaffected","versionType":"semver"},{"version":"4.9.296","lessThanOrEqual":"4.9.*","status":"unaffected","versionType":"semver"},{"version":"4.14.261","lessThanOrEqual":"4.14.*","status":"unaffected","versionType":"semver"},{"version":"4.19.224","lessThanOrEqual":"4.19.*","status":"unaffected","versionType":"semver"},{"version":"5.4.170","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.90","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.13","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"5.16","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":"2.6.23","versionEndExcluding":"4.4.298"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.23","versionEndExcluding":"4.9.296"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.23","versionEndExcluding":"4.14.261"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.23","versionEndExcluding":"4.19.224"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.23","versionEndExcluding":"5.4.170"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.23","versionEndExcluding":"5.10.90"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.23","versionEndExcluding":"5.15.13"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.23","versionEndExcluding":"5.16"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/d2cb2bf39a6d17ef4bdc0e59c1a35cf5751ad8f4"},{"url":"https://git.kernel.org/stable/c/d1962f263a176f493400b8f91bfbf2bfedce951e"},{"url":"https://git.kernel.org/stable/c/292d2ac61fb0d9276a0f7b7ce4f50426f2a1c99f"},{"url":"https://git.kernel.org/stable/c/a02e1404e27855089d2b0a0acc4652c2ce65fe46"},{"url":"https://git.kernel.org/stable/c/975774ea7528b489930b76a77ffc4d5379b95ff2"},{"url":"https://git.kernel.org/stable/c/9f329d0d6c91142cf0ad08d23c72dd195db2633c"},{"url":"https://git.kernel.org/stable/c/e79ff8c68acb1eddf709d3ac84716868f2a91012"},{"url":"https://git.kernel.org/stable/c/9f3ccdc3f6ef10084ceb3a47df0961bec6196fd0"}],"title":"Input: appletouch - 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