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vuln-cve/data/2021/43xxx/CVE-2021-43997.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"cveMetadata": {
"state": "PUBLISHED",
"cveId": "CVE-2021-43997",
"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"assignerShortName": "mitre",
"dateUpdated": "2024-08-04T04:10:16.905Z",
"dateReserved": "2021-11-17T00:00:00.000Z",
"datePublished": "2021-11-17T00:00:00.000Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"shortName": "mitre",
"dateUpdated": "2022-10-11T00:00:00.000Z"
},
"descriptions": [
{
"lang": "en",
"value": "FreeRTOS versions 10.2.0 through 10.4.5 do not prevent non-kernel code from calling the xPortRaisePrivilege internal function to raise privilege. FreeRTOS versions through 10.4.6 do not prevent a third party that has already independently gained the ability to execute injected code to achieve further privilege escalation by branching directly inside a FreeRTOS MPU API wrapper function with a manually crafted stack frame. These issues affect ARMv7-M MPU ports, and ARMv8-M ports with MPU support enabled (i.e. configENABLE_MPU set to 1). These are fixed in V10.5.0 and in V10.4.3-LTS Patch 3."
}
],
"affected": [
{
"vendor": "n/a",
"product": "n/a",
"versions": [
{
"version": "n/a",
"status": "affected"
}
]
}
],
"references": [
{
"url": "https://github.com/FreeRTOS/FreeRTOS-Kernel/releases/tag/V10.4.3-LTS-Patch-2"
},
{
"url": "https://github.com/FreeRTOS/FreeRTOS-Kernel/releases/tag/V10.4.6"
},
{
"url": "https://github.com/FreeRTOS/FreeRTOS-Kernel/releases/tag/V10.5.0"
},
{
"url": "https://github.com/FreeRTOS/FreeRTOS-Kernel/releases/tag/V10.4.3-LTS-Patch-3"
}
],
"problemTypes": [
{
"descriptions": [
{
"type": "text",
"lang": "en",
"description": "n/a"
}
]
}
]
},
"adp": [
{
"providerMetadata": {
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE",
"dateUpdated": "2024-08-04T04:10:16.905Z"
},
"title": "CVE Program Container",
"references": [
{
"url": "https://github.com/FreeRTOS/FreeRTOS-Kernel/releases/tag/V10.4.3-LTS-Patch-2",
"tags": [
"x_transferred"
]
},
{
"url": "https://github.com/FreeRTOS/FreeRTOS-Kernel/releases/tag/V10.4.6",
"tags": [
"x_transferred"
]
},
{
"url": "https://github.com/FreeRTOS/FreeRTOS-Kernel/releases/tag/V10.5.0",
"tags": [
"x_transferred"
]
},
{
"url": "https://github.com/FreeRTOS/FreeRTOS-Kernel/releases/tag/V10.4.3-LTS-Patch-3",
"tags": [
"x_transferred"
]
}
]
}
]
}
}