{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2023-3772", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "state": "PUBLISHED", "assignerShortName": "redhat", "dateReserved": "2023-07-19T13:55:07.799Z", "datePublished": "2023-07-25T15:47:40.183Z", "dateUpdated": "2025-11-07T13:03:42.167Z" }, "containers": { "cna": { "title": "Kernel: xfrm: null pointer dereference in xfrm_update_ae_params()", "metrics": [ { "other": { "content": { "value": "Moderate", "namespace": "https://access.redhat.com/security/updates/classification/" }, "type": "Red Hat severity rating" } }, { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1" }, "format": "CVSS" } ], "descriptions": [ { "lang": "en", "value": "A flaw was found in the Linux kernel’s IP framework for transforming packets (XFRM subsystem). This issue may allow a malicious user with CAP_NET_ADMIN privileges to directly dereference a NULL pointer in xfrm_update_ae_params(), leading to a possible kernel crash and denial of service." } ], "affected": [ { "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "kernel-rt", "defaultStatus": "affected", "versions": [ { "version": "0:4.18.0-513.5.1.rt7.307.el8_9", "lessThan": "*", "versionType": "rpm", "status": "unaffected" } ], "cpes": [ "cpe:/a:redhat:enterprise_linux:8::realtime", "cpe:/a:redhat:enterprise_linux:8::nfv" ] }, { "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "kernel", "defaultStatus": "affected", "versions": [ { "version": "0:4.18.0-513.5.1.el8_9", "lessThan": "*", "versionType": "rpm", "status": "unaffected" } ], "cpes": [ "cpe:/o:redhat:enterprise_linux:8::baseos", "cpe:/a:redhat:enterprise_linux:8::crb" ] }, { "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8.6 Extended Update Support", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "kernel", "defaultStatus": "affected", "versions": [ { "version": "0:4.18.0-372.87.1.el8_6", "lessThan": "*", "versionType": "rpm", "status": "unaffected" } ], "cpes": [ "cpe:/o:redhat:rhel_eus:8.6::baseos", "cpe:/a:redhat:rhel_eus:8.6::crb", "cpe:/o:redhat:rhev_hypervisor:4.4::el8" ] }, { "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8.8 Extended Update Support", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "kernel", "defaultStatus": "affected", "versions": [ { "version": "0:4.18.0-477.43.1.el8_8", "lessThan": "*", "versionType": "rpm", "status": "unaffected" } ], "cpes": [ "cpe:/a:redhat:rhel_eus:8.8::crb", "cpe:/o:redhat:rhel_eus:8.8::baseos" ] }, { 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"cpe:/o:redhat:enterprise_linux:9::baseos", "cpe:/a:redhat:enterprise_linux:9::crb", "cpe:/a:redhat:enterprise_linux:9::realtime" ] }, { "vendor": "Red Hat", "product": "Red Hat Virtualization 4 for Red Hat Enterprise Linux 8", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "kernel", "defaultStatus": "affected", "versions": [ { "version": "0:4.18.0-372.87.1.el8_6", "lessThan": "*", "versionType": "rpm", "status": "unaffected" } ], "cpes": [ "cpe:/o:redhat:rhel_eus:8.6::baseos", "cpe:/a:redhat:rhel_eus:8.6::crb", "cpe:/o:redhat:rhev_hypervisor:4.4::el8" ] }, { "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 6", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "kernel", "defaultStatus": "unknown", "cpes": [ "cpe:/o:redhat:enterprise_linux:6" ] }, { "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 7", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "kernel", "defaultStatus": "unknown", "cpes": [ "cpe:/o:redhat:enterprise_linux:7" ] }, { "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 7", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "kernel-rt", "defaultStatus": "unknown", "cpes": [ "cpe:/o:redhat:enterprise_linux:7" ] }, { "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "kernel-rt", "defaultStatus": "affected", "cpes": [ "cpe:/o:redhat:enterprise_linux:9" ] } ], "references": [ { "url": "https://access.redhat.com/errata/RHSA-2023:6583", "name": "RHSA-2023:6583", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ] }, { "url": "https://access.redhat.com/errata/RHSA-2023:6901", "name": "RHSA-2023:6901", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ] }, { "url": "https://access.redhat.com/errata/RHSA-2023:7077", "name": "RHSA-2023:7077", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ] }, { "url": "https://access.redhat.com/errata/RHSA-2024:0412", "name": "RHSA-2024:0412", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ] }, { "url": "https://access.redhat.com/errata/RHSA-2024:0575", "name": "RHSA-2024:0575", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ] }, { "url": "https://access.redhat.com/security/cve/CVE-2023-3772", "tags": [ "vdb-entry", "x_refsource_REDHAT" ] }, { "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2218943", "name": "RHBZ#2218943", "tags": [ "issue-tracking", "x_refsource_REDHAT" ] } ], "datePublic": "2023-07-21T00:00:00.000Z", "problemTypes": [ { "descriptions": [ { "cweId": "CWE-476", "description": "NULL Pointer Dereference", "lang": "en", "type": "CWE" } ] } ], "x_redhatCweChain": "CWE-476: NULL Pointer Dereference", "timeline": [ { "lang": "en", "time": "2023-06-29T00:00:00.000Z", "value": "Reported to Red Hat." }, { "lang": "en", "time": "2023-07-21T00:00:00.000Z", "value": "Made public." } ], "credits": [ { "lang": "en", "value": "Red Hat would like to thank Lin Ma (ZJU & Ant Security Light-Year Lab) for reporting this issue." } ], "providerMetadata": { "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat", "dateUpdated": "2025-11-07T13:03:42.167Z" } }, "adp": [ { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T07:08:49.645Z" }, "title": "CVE Program Container", "references": [ { "url": "http://www.openwall.com/lists/oss-security/2023/08/10/1", "tags": [ "x_transferred" ] }, { "url": "http://www.openwall.com/lists/oss-security/2023/08/10/3", "tags": [ "x_transferred" ] }, { "url": "https://access.redhat.com/errata/RHSA-2023:6583", "name": "RHSA-2023:6583", "tags": [ "vendor-advisory", "x_refsource_REDHAT", "x_transferred" ] }, { "url": "https://access.redhat.com/errata/RHSA-2023:6901", "name": "RHSA-2023:6901", "tags": [ "vendor-advisory", "x_refsource_REDHAT", "x_transferred" ] }, { "url": "https://access.redhat.com/errata/RHSA-2023:7077", "name": "RHSA-2023:7077", "tags": [ "vendor-advisory", "x_refsource_REDHAT", "x_transferred" ] }, { "url": "https://access.redhat.com/errata/RHSA-2024:0412", "name": "RHSA-2024:0412", "tags": [ "vendor-advisory", "x_refsource_REDHAT", "x_transferred" ] }, { "url": "https://access.redhat.com/errata/RHSA-2024:0575", "name": "RHSA-2024:0575", "tags": [ "vendor-advisory", "x_refsource_REDHAT", "x_transferred" ] }, { "url": "https://access.redhat.com/security/cve/CVE-2023-3772", "tags": [ "vdb-entry", "x_refsource_REDHAT", "x_transferred" ] }, { "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2218943", "name": "RHBZ#2218943", "tags": [ "issue-tracking", "x_refsource_REDHAT", "x_transferred" ] }, { "url": "https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html", "tags": [ "x_transferred" ] }, { "url": "https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html", "tags": [ "x_transferred" ] }, { "url": "https://www.debian.org/security/2023/dsa-5492", "tags": [ "x_transferred" ] } ] } ] } }