298 lines
14 KiB
JSON
298 lines
14 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-2021-47455",
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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": "2024-05-21T14:58:30.833Z",
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"datePublished": "2024-05-22T06:19:44.700Z",
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"dateUpdated": "2026-05-23T15:20:01.562Z"
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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": "2026-05-23T15:20:01.562Z"
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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\nptp: Fix possible memory leak in ptp_clock_register()\n\nI got memory leak as follows when doing fault injection test:\n\nunreferenced object 0xffff88800906c618 (size 8):\n comm \"i2c-idt82p33931\", pid 4421, jiffies 4294948083 (age 13.188s)\n hex dump (first 8 bytes):\n 70 74 70 30 00 00 00 00 ptp0....\n backtrace:\n [<00000000312ed458>] __kmalloc_track_caller+0x19f/0x3a0\n [<0000000079f6e2ff>] kvasprintf+0xb5/0x150\n [<0000000026aae54f>] kvasprintf_const+0x60/0x190\n [<00000000f323a5f7>] kobject_set_name_vargs+0x56/0x150\n [<000000004e35abdd>] dev_set_name+0xc0/0x100\n [<00000000f20cfe25>] ptp_clock_register+0x9f4/0xd30 [ptp]\n [<000000008bb9f0de>] idt82p33_probe.cold+0x8b6/0x1561 [ptp_idt82p33]\n\nWhen posix_clock_register() returns an error, the name allocated\nin dev_set_name() will be leaked, the put_device() should be used\nto give up the device reference, then the name will be freed in\nkobject_cleanup() and other memory will be freed in ptp_clock_release()."
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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/ptp/ptp_clock.c"
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],
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"versions": [
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{
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"version": "a33121e5487b424339636b25c35d3a180eaa5f5e",
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"lessThan": "f1c96d8085588e1b997a96214b409ac3be20b524",
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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": "a33121e5487b424339636b25c35d3a180eaa5f5e",
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"lessThan": "95c0a0c5ec8839f8f21672be786e87a100319ca8",
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"status": "affected",
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},
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{
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"version": "a33121e5487b424339636b25c35d3a180eaa5f5e",
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"lessThan": "4225fea1cb28370086e17e82c0f69bec2779dca0",
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"status": "affected",
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},
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{
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"version": "5230ef61882d2d14deb846eb6b48370694816e4c",
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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": "6f5e3bb7879ee1eb71c6c3cbaaffbb0da6cd7d57",
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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": "89e8fc989feaac00bf1a7f9a766289422e2f5768",
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"status": "affected",
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},
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{
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"version": "2dece4d6d13fe179ee3a5991811712725a56e2f7",
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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": "0393b8720128d5b39db8523e5bfbfc689f18c37c",
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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": "bfa2e0cd3dfda64fde43c3dca3aeba298d2fe7ad",
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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": "3.16.83",
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"lessThan": "3.17",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "4.4.224",
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"lessThan": "4.5",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "4.9.224",
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"lessThan": "4.10",
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"status": "affected",
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},
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{
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"version": "4.14.162",
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"lessThan": "4.15",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "4.19.93",
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"lessThan": "4.20",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "5.4.8",
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"lessThan": "5.5",
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"status": "affected",
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"versionType": "semver"
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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/ptp/ptp_clock.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": "5.10.241",
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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": "5.14.15",
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"lessThanOrEqual": "5.14.*",
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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",
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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": "5.10.241"
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"versionStartIncluding": "3.16.83"
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{
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"url": "https://git.kernel.org/stable/c/f1c96d8085588e1b997a96214b409ac3be20b524"
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},
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{
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"url": "https://git.kernel.org/stable/c/95c0a0c5ec8839f8f21672be786e87a100319ca8"
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{
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"url": "https://git.kernel.org/stable/c/4225fea1cb28370086e17e82c0f69bec2779dca0"
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}
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],
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"title": "ptp: Fix possible memory leak in ptp_clock_register()",
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}
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"content": {
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"timestamp": "2024-06-10T18:55:42.625337Z",
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"id": "CVE-2021-47455",
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"options": [
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{
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"Exploitation": "none"
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{
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"Automatable": "no"
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"role": "CISA Coordinator",
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],
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"dateUpdated": "2024-06-10T18:55:51.518Z"
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}
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},
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{
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"title": "CVE Program Container",
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"references": [
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"url": "https://git.kernel.org/stable/c/95c0a0c5ec8839f8f21672be786e87a100319ca8",
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} |