509 lines
23 KiB
JSON
509 lines
23 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-2021-47323",
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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": "2024-05-21T14:28:16.974Z",
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"datePublished": "2024-05-21T14:35:37.181Z",
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"dateUpdated": "2026-05-11T13:52:16.603Z"
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},
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"shortName": "Linux",
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"dateUpdated": "2026-05-11T13:52:16.603Z"
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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\nwatchdog: sc520_wdt: Fix possible use-after-free in wdt_turnoff()\n\nThis module's remove path calls del_timer(). However, that function\ndoes not wait until the timer handler finishes. This means that the\ntimer handler may still be running after the driver's remove function\nhas finished, which would result in a use-after-free.\n\nFix by calling del_timer_sync(), which makes sure the timer handler\nhas finished, and unable to re-schedule itself."
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}
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"drivers/watchdog/sc520_wdt.c"
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],
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{
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},
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{
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"version": "0",
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},
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{
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"version": "4.9.276",
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},
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{
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"status": "unaffected",
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},
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{
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"version": "4.19.198",
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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": "5.4.134",
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},
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{
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"version": "5.10.52",
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"lessThanOrEqual": "5.10.*",
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"status": "unaffected",
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},
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{
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"version": "5.12.19",
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"lessThanOrEqual": "5.12.*",
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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": "5.13.4",
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"lessThanOrEqual": "5.13.*",
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"status": "unaffected",
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},
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{
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"version": "5.14",
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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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"cpeApplicability": [
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"operator": "OR",
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}
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},
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"scope": "UNCHANGED",
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"version": "3.1",
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"attackVector": "NETWORK",
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},
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"timestamp": "2024-05-21T15:36:28.370702Z",
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"id": "CVE-2021-47323",
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"options": [
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"version": "2.0.3"
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}
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}
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],
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"dateUpdated": "2024-08-04T05:32:08.471Z"
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},
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{
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"url": "https://git.kernel.org/stable/c/b3c41ea5bc34d8c7b19e230d80e0e555c6f5057d",
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"tags": [
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"x_transferred"
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]
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},
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{
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"url": "https://git.kernel.org/stable/c/f0feab82f6a0323f54d85e8b512a2be64f83648a",
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|
"tags": [
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"x_transferred"
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]
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},
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{
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|
"url": "https://git.kernel.org/stable/c/90b7c141132244e8e49a34a4c1e445cce33e07f4",
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|
"tags": [
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]
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}
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]
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|
}
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|
]
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|
}
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|
} |