534 lines
23 KiB
JSON
534 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-2021-47456",
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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": "2024-05-22T06:19:45.363Z",
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"dateUpdated": "2026-05-11T13:55:04.351Z"
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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": "2026-05-11T13:55:04.351Z"
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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\ncan: peak_pci: peak_pci_remove(): fix UAF\n\nWhen remove the module peek_pci, referencing 'chan' again after\nreleasing 'dev' will cause UAF.\n\nFix this by releasing 'dev' later.\n\nThe following log reveals it:\n\n[ 35.961814 ] BUG: KASAN: use-after-free in peak_pci_remove+0x16f/0x270 [peak_pci]\n[ 35.963414 ] Read of size 8 at addr ffff888136998ee8 by task modprobe/5537\n[ 35.965513 ] Call Trace:\n[ 35.965718 ] dump_stack_lvl+0xa8/0xd1\n[ 35.966028 ] print_address_description+0x87/0x3b0\n[ 35.966420 ] kasan_report+0x172/0x1c0\n[ 35.966725 ] ? peak_pci_remove+0x16f/0x270 [peak_pci]\n[ 35.967137 ] ? trace_irq_enable_rcuidle+0x10/0x170\n[ 35.967529 ] ? peak_pci_remove+0x16f/0x270 [peak_pci]\n[ 35.967945 ] __asan_report_load8_noabort+0x14/0x20\n[ 35.968346 ] peak_pci_remove+0x16f/0x270 [peak_pci]\n[ 35.968752 ] pci_device_remove+0xa9/0x250"
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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/net/can/sja1000/peak_pci.c"
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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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}
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},
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{
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"product": "Linux",
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"defaultStatus": "affected",
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"drivers/net/can/sja1000/peak_pci.c"
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],
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"versions": [
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{
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"version": "3.4",
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},
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{
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"version": "0",
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"lessThan": "3.4",
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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": "4.4.290",
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"lessThanOrEqual": "4.4.*",
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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": "4.9.288",
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"lessThanOrEqual": "4.9.*",
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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": "4.14.253",
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"lessThanOrEqual": "4.14.*",
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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": "4.19.214",
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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": "5.4.156",
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"lessThanOrEqual": "5.4.*",
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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": "5.10.76",
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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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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "3.4",
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{
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"url": "https://git.kernel.org/stable/c/447d44cd2f67a20b596ede3ca3cd67086dfd9ca9"
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},
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{
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"url": "https://git.kernel.org/stable/c/34914971bb3244db4ce2be44e9438a9b30c56250"
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},
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{
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"url": "https://git.kernel.org/stable/c/adbda14730aacce41c0d3596415aa39ad63eafd9"
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},
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{
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"url": "https://git.kernel.org/stable/c/1248582e47a9f7ce0ecd156c39fc61f8b6aa3699"
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},
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{
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"url": "https://git.kernel.org/stable/c/28f28e4bc3a5e0051faa963f10b778ab38c1db69"
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{
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"url": "https://git.kernel.org/stable/c/0e5afdc2315b0737edcf55bede4ee1640d2d464d"
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{
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"url": "https://git.kernel.org/stable/c/949fe9b35570361bc6ee2652f89a0561b26eec98"
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}
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],
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"title": "can: peak_pci: peak_pci_remove(): fix UAF",
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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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"adp": [
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{
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"title": "CISA ADP Vulnrichment",
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"metrics": [
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{
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"cvssV3_1": {
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"scope": "UNCHANGED",
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"version": "3.1",
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"baseScore": 8.4,
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"attackVector": "LOCAL",
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"baseSeverity": "HIGH",
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
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"integrityImpact": "HIGH",
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"userInteraction": "NONE",
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"attackComplexity": "LOW",
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"availabilityImpact": "HIGH",
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"privilegesRequired": "NONE",
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"confidentialityImpact": "HIGH"
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}
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},
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{
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"other": {
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"type": "ssvc",
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"content": {
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"id": "CVE-2021-47456",
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"role": "CISA Coordinator",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "total"
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}
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],
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"version": "2.0.3",
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"timestamp": "2024-05-22T14:47:53.013850Z"
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}
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}
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}
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],
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"affected": [
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{
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],
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"vendor": "linux",
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"product": "linux_kernel",
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"versions": [
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{
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"problemTypes": [
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{
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"descriptions": [
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{
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"lang": "en",
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"type": "CWE",
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"cweId": "CWE-416",
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"description": "CWE-416 Use After Free"
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}
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]
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},
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{
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"descriptions": [
|
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{
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"lang": "en",
|
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"type": "CWE",
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"cweId": "CWE-467",
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"description": "CWE-467 Use of sizeof() on a Pointer Type"
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}
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]
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}
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],
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2024-06-04T17:15:08.225Z"
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}
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},
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{
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"providerMetadata": {
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"orgId": "af854a3a-2127-422b-91ae-364da2661108",
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"shortName": "CVE",
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"dateUpdated": "2024-08-04T05:39:59.411Z"
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},
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"title": "CVE Program Container",
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/1c616528ba4aeb1125a06b407572ab7b56acae38",
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