Show plain JSON{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2021-47583", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-05-24T15:11:00.731Z", "datePublished": "2024-06-19T14:53:49.459Z", "dateUpdated": "2025-05-04T07:14:08.977Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-04T07:14:08.977Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: mxl111sf: change mutex_init() location\n\nSyzbot reported, that mxl111sf_ctrl_msg() uses uninitialized\nmutex. The problem was in wrong mutex_init() location.\n\nPrevious mutex_init(&state->msg_lock) call was in ->init() function, but\ndvb_usbv2_init() has this order of calls:\n\n\tdvb_usbv2_init()\n\t dvb_usbv2_adapter_init()\n\t dvb_usbv2_adapter_frontend_init()\n\t props->frontend_attach()\n\n\t props->init()\n\nSince mxl111sf_* devices call mxl111sf_ctrl_msg() in ->frontend_attach()\ninternally we need to initialize state->msg_lock before\nfrontend_attach(). To achieve it, ->probe() call added to all mxl111sf_*\ndevices, which will simply initiaize mutex."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/media/usb/dvb-usb-v2/mxl111sf.c"], "versions": [{"version": "8572211842afc53c8450fb470f2b8d02ba7592e0", "lessThan": "4b2d9600b31f9ba7adbc9f3c54a068615d27b390", "status": "affected", "versionType": "git"}, {"version": "8572211842afc53c8450fb470f2b8d02ba7592e0", "lessThan": "96f182c9f48b984447741f054ec301fdc8517035", "status": "affected", "versionType": "git"}, {"version": "8572211842afc53c8450fb470f2b8d02ba7592e0", "lessThan": "b99bdf127af91d53919e96292c05f737c45ea59a", "status": "affected", "versionType": "git"}, {"version": "8572211842afc53c8450fb470f2b8d02ba7592e0", "lessThan": "8c6fdf62bfe1bc72bfceeaf832ef7499c7ed09ba", "status": "affected", "versionType": "git"}, {"version": "8572211842afc53c8450fb470f2b8d02ba7592e0", "lessThan": "44870a9e7a3c24acbb3f888b2a7cc22c9bdf7e7f", "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/media/usb/dvb-usb-v2/mxl111sf.c"], "versions": [{"version": "3.7", "status": "affected"}, {"version": "0", "lessThan": "3.7", "status": "unaffected", "versionType": "semver"}, {"version": "4.19.222", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.168", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.88", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.11", "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": "3.7", "versionEndExcluding": "4.19.222"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.7", "versionEndExcluding": "5.4.168"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.7", "versionEndExcluding": "5.10.88"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.7", "versionEndExcluding": "5.15.11"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.7", "versionEndExcluding": "5.16"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/4b2d9600b31f9ba7adbc9f3c54a068615d27b390"}, {"url": "https://git.kernel.org/stable/c/96f182c9f48b984447741f054ec301fdc8517035"}, {"url": "https://git.kernel.org/stable/c/b99bdf127af91d53919e96292c05f737c45ea59a"}, {"url": "https://git.kernel.org/stable/c/8c6fdf62bfe1bc72bfceeaf832ef7499c7ed09ba"}, {"url": "https://git.kernel.org/stable/c/44870a9e7a3c24acbb3f888b2a7cc22c9bdf7e7f"}], "title": "media: mxl111sf: change mutex_init() location", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2024-06-24T18:10:30.676527Z", "id": "CVE-2021-47583", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-24T18:10:38.381Z"}}, {"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:39:59.828Z"}, "title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/4b2d9600b31f9ba7adbc9f3c54a068615d27b390", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/96f182c9f48b984447741f054ec301fdc8517035", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/b99bdf127af91d53919e96292c05f737c45ea59a", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/8c6fdf62bfe1bc72bfceeaf832ef7499c7ed09ba", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/44870a9e7a3c24acbb3f888b2a7cc22c9bdf7e7f", "tags": ["x_transferred"]}]}]}}