CVE-2021-46932

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "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": "2026-05-11T13:44:41.401Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T13:44:41.401Z"}, "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 - initialize work before device registration", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2021-46932", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-02-27T16:12:57.763250Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-07-05T17:22:01.591Z"}}, {"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:17:42.851Z"}, "title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/d2cb2bf39a6d17ef4bdc0e59c1a35cf5751ad8f4", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/d1962f263a176f493400b8f91bfbf2bfedce951e", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/292d2ac61fb0d9276a0f7b7ce4f50426f2a1c99f", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/a02e1404e27855089d2b0a0acc4652c2ce65fe46", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/975774ea7528b489930b76a77ffc4d5379b95ff2", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/9f329d0d6c91142cf0ad08d23c72dd195db2633c", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/e79ff8c68acb1eddf709d3ac84716868f2a91012", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/9f3ccdc3f6ef10084ceb3a47df0961bec6196fd0", "tags": ["x_transferred"]}]}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/d2cb2bf39a6d17ef4bdc0e59c1a35cf5751ad8f4", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/d1962f263a176f493400b8f91bfbf2bfedce951e", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/292d2ac61fb0d9276a0f7b7ce4f50426f2a1c99f", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/a02e1404e27855089d2b0a0acc4652c2ce65fe46", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/975774ea7528b489930b76a77ffc4d5379b95ff2", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/9f329d0d6c91142cf0ad08d23c72dd195db2633c", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/e79ff8c68acb1eddf709d3ac84716868f2a91012", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/9f3ccdc3f6ef10084ceb3a47df0961bec6196fd0", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:17:42.851Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2021-46932", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-02-27T16:12:57.763250Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-07-05T15:20:40.973Z"}}], "cna": {"title": "Input: appletouch - initialize work before device registration", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "5a6eb676d3bc4d7a6feab200a92437b62ad298da", "lessThan": "d2cb2bf39a6d17ef4bdc0e59c1a35cf5751ad8f4", "versionType": "git"}, {"status": "affected", "version": "5a6eb676d3bc4d7a6feab200a92437b62ad298da", "lessThan": "d1962f263a176f493400b8f91bfbf2bfedce951e", "versionType": "git"}, {"status": "affected", "version": "5a6eb676d3bc4d7a6feab200a92437b62ad298da", "lessThan": "292d2ac61fb0d9276a0f7b7ce4f50426f2a1c99f", "versionType": "git"}, {"status": "affected", "version": "5a6eb676d3bc4d7a6feab200a92437b62ad298da", "lessThan": "a02e1404e27855089d2b0a0acc4652c2ce65fe46", "versionType": "git"}, {"status": "affected", "version": "5a6eb676d3bc4d7a6feab200a92437b62ad298da", "lessThan": "975774ea7528b489930b76a77ffc4d5379b95ff2", "versionType": "git"}, {"status": "affected", "version": "5a6eb676d3bc4d7a6feab200a92437b62ad298da", "lessThan": "9f329d0d6c91142cf0ad08d23c72dd195db2633c", "versionType": "git"}, {"status": "affected", "version": "5a6eb676d3bc4d7a6feab200a92437b62ad298da", "lessThan": "e79ff8c68acb1eddf709d3ac84716868f2a91012", "versionType": "git"}, {"status": "affected", "version": "5a6eb676d3bc4d7a6feab200a92437b62ad298da", "lessThan": "9f3ccdc3f6ef10084ceb3a47df0961bec6196fd0", "versionType": "git"}], "programFiles": ["drivers/input/mouse/appletouch.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "2.6.23"}, {"status": "unaffected", "version": "0", "lessThan": "2.6.23", "versionType": "semver"}, {"status": "unaffected", "version": "4.4.298", "versionType": "semver", "lessThanOrEqual": "4.4.*"}, {"status": "unaffected", "version": "4.9.296", "versionType": "semver", "lessThanOrEqual": "4.9.*"}, {"status": "unaffected", "version": "4.14.261", "versionType": "semver", "lessThanOrEqual": "4.14.*"}, {"status": "unaffected", "version": "4.19.224", "versionType": "semver", "lessThanOrEqual": "4.19.*"}, {"status": "unaffected", "version": "5.4.170", "versionType": "semver", "lessThanOrEqual": "5.4.*"}, {"status": "unaffected", "version": "5.10.90", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.15.13", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "5.16", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/input/mouse/appletouch.c"], "defaultStatus": "affected"}], "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"}], "x_generator": {"engine": "bippy-1.2.0"}, "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"}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "4.4.298", "versionStartIncluding": "2.6.23"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "4.9.296", "versionStartIncluding": "2.6.23"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "4.14.261", "versionStartIncluding": "2.6.23"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "4.19.224", "versionStartIncluding": "2.6.23"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.4.170", "versionStartIncluding": "2.6.23"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.10.90", "versionStartIncluding": "2.6.23"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.15.13", "versionStartIncluding": "2.6.23"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.16", "versionStartIncluding": "2.6.23"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T13:44:41.401Z"}}}, "cveMetadata": {"cveId": "CVE-2021-46932", "state": "PUBLISHED", "dateUpdated": "2026-05-11T13:44:41.401Z", "dateReserved": "2024-02-25T13:45:52.720Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-02-27T09:44:00.108Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/input/mouse/appletouch.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "d2cb2bf39a6d17ef4bdc0e59c1a35cf5751ad8f4", "status": "affected", "version": "5a6eb676d3bc4d7a6feab200a92437b62ad298da", "versionType": "git"}, {"lessThan": "d1962f263a176f493400b8f91bfbf2bfedce951e", "status": "affected", "version": "5a6eb676d3bc4d7a6feab200a92437b62ad298da", "versionType": "git"}, {"lessThan": "292d2ac61fb0d9276a0f7b7ce4f50426f2a1c99f", "status": "affected", "version": "5a6eb676d3bc4d7a6feab200a92437b62ad298da", "versionType": "git"}, {"lessThan": "a02e1404e27855089d2b0a0acc4652c2ce65fe46", "status": "affected", "version": "5a6eb676d3bc4d7a6feab200a92437b62ad298da", "versionType": "git"}, {"lessThan": "975774ea7528b489930b76a77ffc4d5379b95ff2", "status": "affected", "version": "5a6eb676d3bc4d7a6feab200a92437b62ad298da", "versionType": "git"}, {"lessThan": "9f329d0d6c91142cf0ad08d23c72dd195db2633c", "status": "affected", "version": "5a6eb676d3bc4d7a6feab200a92437b62ad298da", "versionType": "git"}, {"lessThan": "e79ff8c68acb1eddf709d3ac84716868f2a91012", "status": "affected", "version": "5a6eb676d3bc4d7a6feab200a92437b62ad298da", "versionType": "git"}, {"lessThan": "9f3ccdc3f6ef10084ceb3a47df0961bec6196fd0", "status": "affected", "version": "5a6eb676d3bc4d7a6feab200a92437b62ad298da", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/input/mouse/appletouch.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "2.6.23"}, {"lessThan": "2.6.23", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "4.4.*", "status": "unaffected", "version": "4.4.298", "versionType": "semver"}, {"lessThanOrEqual": "4.9.*", "status": "unaffected", "version": "4.9.296", "versionType": "semver"}, {"lessThanOrEqual": "4.14.*", "status": "unaffected", "version": "4.14.261", "versionType": "semver"}, {"lessThanOrEqual": "4.19.*", "status": "unaffected", "version": "4.19.224", "versionType": "semver"}, {"lessThanOrEqual": "5.4.*", "status": "unaffected", "version": "5.4.170", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.90", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.13", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "5.16", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "BA4A6C50-3FFF-4800-9BCC-88823A3D2798", "versionEndExcluding": "4.4.298", "versionStartIncluding": "2.6.23", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "883CB22B-11DA-4D54-8121-3F5494EDBD4C", "versionEndExcluding": "4.9.296", "versionStartIncluding": "4.5.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "B5D4F856-5F69-4F4A-911F-50A21B9A68B6", "versionEndExcluding": "4.14.261", "versionStartIncluding": "4.10.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "B34A1353-506A-4AB9-87EC-CD50F09DFB8A", "versionEndExcluding": "4.19.224", "versionStartIncluding": "4.15.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "56D16FBB-453E-4316-A027-E517828203D7", "versionEndExcluding": "5.4.170", "versionStartIncluding": "4.20.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "C87FB3FD-3E74-4588-A1A4-B9BA8AE0C06B", "versionEndExcluding": "5.10.90", "versionStartIncluding": "5.5.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "083E0940-932B-447B-A6B2-677DAE27FD04", "versionEndExcluding": "5.15.13", "versionStartIncluding": "5.11.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "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"}, {"lang": "es", "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: Entrada: appletouch: inicializa el trabajo antes del registro del dispositivo Syzbot ha informado una advertencia en __flush_work(). Esta advertencia es causada por work->func == NULL, lo que significa que falta la inicializaci\u00f3n del trabajo. Esto puede suceder, ya que input_dev->close() llama a cancel_work_sync(&dev->work), pero la inicializaci\u00f3n dev->work ocurre _despu\u00e9s_ de la llamada input_register_device(). Entonces este parche mueve la inicializaci\u00f3n dev->work antes de registrar el dispositivo de entrada"}], "id": "CVE-2021-46932", "lastModified": "2026-06-17T04:15:53.660", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2021-46932", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-02-27T16:12:57.763250Z", "version": "2.0.3"}}]}, "published": "2024-02-27T10:15:07.753", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/292d2ac61fb0d9276a0f7b7ce4f50426f2a1c99f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/975774ea7528b489930b76a77ffc4d5379b95ff2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9f329d0d6c91142cf0ad08d23c72dd195db2633c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9f3ccdc3f6ef10084ceb3a47df0961bec6196fd0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a02e1404e27855089d2b0a0acc4652c2ce65fe46"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d1962f263a176f493400b8f91bfbf2bfedce951e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d2cb2bf39a6d17ef4bdc0e59c1a35cf5751ad8f4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e79ff8c68acb1eddf709d3ac84716868f2a91012"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/292d2ac61fb0d9276a0f7b7ce4f50426f2a1c99f"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/975774ea7528b489930b76a77ffc4d5379b95ff2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9f329d0d6c91142cf0ad08d23c72dd195db2633c"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9f3ccdc3f6ef10084ceb3a47df0961bec6196fd0"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a02e1404e27855089d2b0a0acc4652c2ce65fe46"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d1962f263a176f493400b8f91bfbf2bfedce951e"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d2cb2bf39a6d17ef4bdc0e59c1a35cf5751ad8f4"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e79ff8c68acb1eddf709d3ac84716868f2a91012"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-665"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: Input: appletouch - initialize work before device registration", "id": "2266318", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2266318"}, "csaw": false, "cvss3": {"cvss3_base_score": "2.3", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L", "status": "draft"}, "cwe": "CWE-416", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nInput: appletouch - initialize work before device registration\nSyzbot has reported warning in __flush_work(). This warning is caused by\nwork->func == NULL, which means missing work initialization.\nThis may happen, since input_dev->close() calls\ncancel_work_sync(&dev->work), but dev->work initalization happens _after_\ninput_register_device() call.\nSo this patch moves dev->work initialization before registering input\ndevice"], "name": "CVE-2021-46932", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "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": "2024-02-27T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-46932\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-46932\nhttps://lore.kernel.org/linux-cve-announce/2024022750-CVE-2021-46932-3a36@gregkh/T/#u"], "threat_severity": "Low"}

{}