{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-47120","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-03-04T18:12:48.838Z","datePublished":"2024-03-15T20:14:26.578Z","dateUpdated":"2025-05-04T07:04:32.600Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T07:04:32.600Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nHID: magicmouse: fix NULL-deref on disconnect\n\nCommit 9d7b18668956 (\"HID: magicmouse: add support for Apple Magic\nTrackpad 2\") added a sanity check for an Apple trackpad but returned\nsuccess instead of -ENODEV when the check failed. This means that the\nremove callback will dereference the never-initialised driver data\npointer when the driver is later unbound (e.g. on USB disconnect)."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/hid/hid-magicmouse.c"],"versions":[{"version":"9d7b18668956c411a422d04c712994c5fdb23a4b","lessThan":"368c5d45a87e1bcc7f1e98e0c255c37b7b12c5d6","status":"affected","versionType":"git"},{"version":"9d7b18668956c411a422d04c712994c5fdb23a4b","lessThan":"b5d013c4c76b276890135b5d32803c4c63924b77","status":"affected","versionType":"git"},{"version":"9d7b18668956c411a422d04c712994c5fdb23a4b","lessThan":"9cf27473f21913a3eaf4702dd2a25415afd5f33f","status":"affected","versionType":"git"},{"version":"9d7b18668956c411a422d04c712994c5fdb23a4b","lessThan":"4b4f6cecca446abcb686c6e6c451d4f1ec1a7497","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/hid/hid-magicmouse.c"],"versions":[{"version":"4.20","status":"affected"},{"version":"0","lessThan":"4.20","status":"unaffected","versionType":"semver"},{"version":"5.4.125","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.43","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.12.10","lessThanOrEqual":"5.12.*","status":"unaffected","versionType":"semver"},{"version":"5.13","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":"4.20","versionEndExcluding":"5.4.125"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"5.10.43"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"5.12.10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"5.13"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/368c5d45a87e1bcc7f1e98e0c255c37b7b12c5d6"},{"url":"https://git.kernel.org/stable/c/b5d013c4c76b276890135b5d32803c4c63924b77"},{"url":"https://git.kernel.org/stable/c/9cf27473f21913a3eaf4702dd2a25415afd5f33f"},{"url":"https://git.kernel.org/stable/c/4b4f6cecca446abcb686c6e6c451d4f1ec1a7497"}],"title":"HID: magicmouse: fix NULL-deref on disconnect","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2021-47120","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-03-19T15:24:16.763009Z"}}}],"providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-06-04T17:13:25.270Z"}},{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-04T05:24:39.876Z"},"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/stable/c/368c5d45a87e1bcc7f1e98e0c255c37b7b12c5d6","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/b5d013c4c76b276890135b5d32803c4c63924b77","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/9cf27473f21913a3eaf4702dd2a25415afd5f33f","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/4b4f6cecca446abcb686c6e6c451d4f1ec1a7497","tags":["x_transferred"]}]}]}}