{
    "id": "CVE-2021-0920",
    "published": "2021-12-15 19:15:11",
    "last_modified": "2026-06-17 03:30:39",
    "cvss_score": "6.4",
    "cvss_severity": "MEDIUM",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H",
    "cwe": "CWE-362",
    "description": "In unix_scm_to_skb of af_unix.c, there is a possible use after free bug due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-196926917References: Upstream kernel",
    "epss_score": "0.00820",
    "epss_percentile": "0.55527",
    "kev": 1,
    "kev_due": "2022-06-13",
    "has_exploit": 0,
    "updated_at": "2026-09-26 18:28:28",
    "priority": {
        "rank": 1,
        "label": "Patch first",
        "why": "On CISA KEV — known exploited in the wild, due 2022-06-13."
    },
    "products": [
        {
            "vendor": "debian",
            "product": "debian_linux"
        },
        {
            "vendor": "google",
            "product": "android"
        },
        {
            "vendor": "linux",
            "product": "linux_kernel"
        }
    ],
    "kev_detail": {
        "cve_id": "CVE-2021-0920",
        "date_added": "2022-05-23",
        "due_date": "2022-06-13",
        "vendor": "Android",
        "product": "Kernel",
        "name": "Android Kernel Race Condition Vulnerability",
        "ransomware": 0
    },
    "exploits": [],
    "refs_list": [
        "https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html",
        "https://source.android.com/security/bulletin/2021-11-01",
        "https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html",
        "https://source.android.com/security/bulletin/2021-11-01",
        "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-0920"
    ]
}