{
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    "cveMetadata": {
        "state": "PUBLISHED",
        "cveId": "CVE-2021-4028",
        "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "assignerShortName": "redhat",
        "dateUpdated": "2024-08-03T17:16:04.248Z",
        "dateReserved": "2021-11-29T00:00:00.000Z",
        "datePublished": "2022-08-24T00:00:00.000Z"
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                    "value": "A flaw in the Linux kernel's implementation of RDMA communications manager listener code allowed an attacker with local access to setup a socket to listen on a high port allowing for a list element to be used after free. Given the ability to execute code, a local attacker could leverage this use-after-free to crash the system or possibly escalate privileges on the system."
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            "affected": [
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                    "vendor": "n/a",
                    "product": "kernel",
                    "versions": [
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                            "version": "Fixed in kernel 5.15-rc1",
                            "status": "affected"
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                    "url": "https://lkml.org/lkml/2021/10/4/697"
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                },
                {
                    "url": "https://security.netapp.com/advisory/ntap-20221228-0002/"
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            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "type": "CWE",
                            "lang": "en",
                            "description": "CWE-416 - Use After Free",
                            "cweId": "CWE-416"
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                "title": "CVE Program Container",
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                    {
                        "url": "https://lkml.org/lkml/2021/10/4/697",
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