cvelist/2021/22xxx/CVE-2021-22600.json

{
    "CVE_data_meta": {
        "ASSIGNER": "security@google.com",
        "ID": "CVE-2021-22600",
        "STATE": "PUBLIC",
        "TITLE": "Double Free in net/packet/af_packet.c leading to priviledge escalation"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Kernel",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_value": "5.4.168"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_value": "5.10.88"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_value": "5.15.11"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_value": "5.16-rc6"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "Linux Kernel"
                }
            ]
        }
    },
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "A double free bug in packet_set_ring() in net/packet/af_packet.c can be exploited by a local user through crafted syscalls to escalate privileges or deny service. We recommend upgrading kernel past the effected versions or rebuilding past ec6af094ea28f0f2dda1a6a33b14cd57e36a9755"
            }
        ]
    },
    "generator": {
        "engine": "Vulnogram 0.0.9"
    },
    "impact": {
        "cvss": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 6.6,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:H",
            "version": "3.1"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-415 Double Free"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "refsource": "MISC",
                "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=ec6af094ea28f0f2dda1a6a33b14cd57e36a9755",
                "name": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=ec6af094ea28f0f2dda1a6a33b14cd57e36a9755"
            },
            {
                "refsource": "MLIST",
                "name": "[debian-lts-announce] 20220309 [SECURITY] [DLA 2941-1] linux-4.19 security update",
                "url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html"
            },
            {
                "refsource": "DEBIAN",
                "name": "DSA-5096",
                "url": "https://www.debian.org/security/2022/dsa-5096"
            },
            {
                "refsource": "CONFIRM",
                "name": "https://security.netapp.com/advisory/ntap-20230110-0002/",
                "url": "https://security.netapp.com/advisory/ntap-20230110-0002/"
            }
        ]
    },
    "source": {
        "discovery": "EXTERNAL"
    }
}