164 lines
7.9 KiB
JSON
164 lines
7.9 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-2022-50005",
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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": "2025-06-18T10:57:27.388Z",
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"datePublished": "2025-06-18T11:01:10.610Z",
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"dateUpdated": "2026-05-11T19:10:53.002Z"
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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": "2026-05-11T19:10:53.002Z"
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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: pn533: Fix use-after-free bugs caused by pn532_cmd_timeout\n\nWhen the pn532 uart device is detaching, the pn532_uart_remove()\nis called. But there are no functions in pn532_uart_remove() that\ncould delete the cmd_timeout timer, which will cause use-after-free\nbugs. The process is shown below:\n\n (thread 1) | (thread 2)\n | pn532_uart_send_frame\npn532_uart_remove | mod_timer(&pn532->cmd_timeout,...)\n ... | (wait a time)\n kfree(pn532) //FREE | pn532_cmd_timeout\n | pn532_uart_send_frame\n | pn532->... //USE\n\nThis patch adds del_timer_sync() in pn532_uart_remove() in order to\nprevent the use-after-free bugs. What's more, the pn53x_unregister_nfc()\nis well synchronized, it sets nfc_dev->shutting_down to true and there\nare no syscalls could restart the cmd_timeout timer."
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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/pn533/uart.c"
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],
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"versions": [
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{
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"version": "c656aa4c27b17a8c70da223ed5ab42145800d6b5",
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"lessThan": "50403ee6daddf0d7a14e9d3b51a377c39a08ec8c",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "c656aa4c27b17a8c70da223ed5ab42145800d6b5",
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"lessThan": "9c34c33893db7a80d0e4b55c23d3b65e29609cfb",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "c656aa4c27b17a8c70da223ed5ab42145800d6b5",
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"lessThan": "2c71f5d55a86fd5969428abf525c1ae6b1c7b0f5",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "c656aa4c27b17a8c70da223ed5ab42145800d6b5",
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"lessThan": "f1e941dbf80a9b8bab0bffbc4cbe41cc7f4c6fb6",
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"status": "affected",
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"versionType": "git"
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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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"vendor": "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/nfc/pn533/uart.c"
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],
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"versions": [
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{
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"version": "5.5",
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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": "5.5",
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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": "5.10.140",
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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": "5.15.64",
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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": "5.19.6",
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"lessThanOrEqual": "5.19.*",
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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": "6.0",
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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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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.5",
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"versionEndExcluding": "5.10.140"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.5",
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"versionEndExcluding": "5.15.64"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.5",
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"versionEndExcluding": "5.19.6"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.5",
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"versionEndExcluding": "6.0"
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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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"references": [
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{
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"url": "https://git.kernel.org/stable/c/50403ee6daddf0d7a14e9d3b51a377c39a08ec8c"
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},
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{
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"url": "https://git.kernel.org/stable/c/9c34c33893db7a80d0e4b55c23d3b65e29609cfb"
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},
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{
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"url": "https://git.kernel.org/stable/c/2c71f5d55a86fd5969428abf525c1ae6b1c7b0f5"
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},
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{
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"url": "https://git.kernel.org/stable/c/f1e941dbf80a9b8bab0bffbc4cbe41cc7f4c6fb6"
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}
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],
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"title": "nfc: pn533: Fix use-after-free bugs caused by pn532_cmd_timeout",
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"x_generator": {
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"engine": "bippy-1.2.0"
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}
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}
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}
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} |