286 lines
13 KiB
JSON
286 lines
13 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-2021-46924",
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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": "2024-02-25T13:45:52.719Z",
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"datePublished": "2024-02-27T09:43:54.792Z",
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"dateUpdated": "2026-05-11T13:44:32.039Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"shortName": "Linux",
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"dateUpdated": "2026-05-11T13:44:32.039Z"
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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\nNFC: st21nfca: Fix memory leak in device probe and remove\n\n'phy->pending_skb' is alloced when device probe, but forgot to free\nin the error handling path and remove path, this cause memory leak\nas follows:\n\nunreferenced object 0xffff88800bc06800 (size 512):\n comm \"8\", pid 11775, jiffies 4295159829 (age 9.032s)\n hex dump (first 32 bytes):\n 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................\n 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................\n backtrace:\n [<00000000d66c09ce>] __kmalloc_node_track_caller+0x1ed/0x450\n [<00000000c93382b3>] kmalloc_reserve+0x37/0xd0\n [<000000005fea522c>] __alloc_skb+0x124/0x380\n [<0000000019f29f9a>] st21nfca_hci_i2c_probe+0x170/0x8f2\n\nFix it by freeing 'pending_skb' in error and remove."
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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/nfc/st21nfca/i2c.c"
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],
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"versions": [
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{
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"lessThan": "38c3e320e7ff46f2dc67bc5045333e63d9f8918d",
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"status": "affected",
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"status": "affected",
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{
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},
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{
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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/nfc/st21nfca/i2c.c"
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],
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"versions": [
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{
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"version": "3.16",
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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": "3.16",
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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": "4.14.261",
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"lessThanOrEqual": "4.14.*",
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"status": "unaffected",
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},
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{
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"version": "4.19.224",
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"lessThanOrEqual": "4.19.*",
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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": "5.4.170",
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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": "5.10.90",
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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": "5.15.13",
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"lessThanOrEqual": "5.15.*",
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"status": "unaffected",
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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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"cpeApplicability": [
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"operator": "OR",
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"cpeMatch": [
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"versionStartIncluding": "3.16",
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}
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],
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"title": "NFC: st21nfca: Fix memory leak in device probe and remove",
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"id": "CVE-2021-46924",
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"role": "CISA Coordinator",
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"options": [
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