259 lines
12 KiB
JSON
259 lines
12 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2021-47583",
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"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"state": "PUBLISHED",
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"assignerShortName": "Linux",
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"dateReserved": "2024-05-24T15:11:00.731Z",
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"datePublished": "2024-06-19T14:53:49.459Z",
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"dateUpdated": "2026-05-11T13:57:21.119Z"
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},
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"containers": {
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"shortName": "Linux",
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"dateUpdated": "2026-05-11T13:57:21.119Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"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."
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}
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],
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"affected": [
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "unaffected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"drivers/media/usb/dvb-usb-v2/mxl111sf.c"
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],
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"lessThan": "4b2d9600b31f9ba7adbc9f3c54a068615d27b390",
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"status": "affected",
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"versionType": "git"
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},
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"version": "8572211842afc53c8450fb470f2b8d02ba7592e0",
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"lessThan": "96f182c9f48b984447741f054ec301fdc8517035",
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}
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]
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},
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{
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"product": "Linux",
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"defaultStatus": "affected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"drivers/media/usb/dvb-usb-v2/mxl111sf.c"
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],
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"versions": [
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{
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"version": "3.7",
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"status": "affected"
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},
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{
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"version": "0",
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"lessThan": "3.7",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "4.19.222",
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"lessThanOrEqual": "4.19.*",
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"status": "unaffected",
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},
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{
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"version": "5.4.168",
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"lessThanOrEqual": "5.4.*",
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"status": "unaffected",
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},
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{
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"version": "5.10.88",
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"lessThanOrEqual": "5.10.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.15.11",
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"lessThanOrEqual": "5.15.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.16",
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"lessThanOrEqual": "*",
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"status": "unaffected",
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"versionType": "original_commit_for_fix"
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}
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]
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}
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],
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"references": [
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}
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],
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"content": {
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"timestamp": "2024-06-24T18:10:30.676527Z",
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"id": "CVE-2021-47583",
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"options": [
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