{"containers": {"cna": {"affected": [{"product": "kernel", "vendor": "n/a", "versions": [{"status": "affected", "version": "NA"}]}], "descriptions": [{"lang": "en", "value": "A flaw was found in the Linux kernel\u2019s implementation of reading the SVC RDMA counters. Reading the counter sysctl panics the system. This flaw allows a local attacker with local access to cause a denial of service while the system reboots. The issue is specific to CentOS/RHEL."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-665", "description": "CWE-665 - Improper Initialization -> CWE-824 - Access of Uninitialized Pointer", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2022-08-24T15:08:25", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://bugs.centos.org/view.php?id=18395"}, {"tags": ["x_refsource_MISC"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2048359"}, {"tags": ["x_refsource_MISC"], "url": "https://access.redhat.com/security/cve/CVE-2021-4218"}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T17:16:04.299Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://bugs.centos.org/view.php?id=18395"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2048359"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://access.redhat.com/security/cve/CVE-2021-4218"}]}]}, "cveMetadata": {"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2021-4218", "datePublished": "2022-08-24T15:08:25", "dateReserved": "2022-02-01T00:00:00", "dateUpdated": "2024-08-03T17:16:04.299Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"bugzilla": {"description": "kernel: sysctl parameter read causes kernel panic ( rpcrdma module )", "id": "2048359", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2048359"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-665->CWE-824", "details": ["A flaw was found in the Linux kernel\u2019s implementation of reading the SVC RDMA counters. Reading the counter sysctl panics the system. This flaw allows a local attacker with local access to cause a denial of service while the system reboots. The issue is specific to CentOS/RHEL.", "A flaw was found in the Linux kernel\u2019s implementation of reading the SVC RDMA counters. Reading the counter sysctl panics the system. This flaw allows a local attacker with local access to cause a denial of service while the system reboots."], "name": "CVE-2021-4218", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2022-01-31T04:32:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-4218\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-4218"], "threat_severity": "Moderate"}