{ "data_version": "4.0", "data_type": "CVE", "data_format": "MITRE", "CVE_data_meta": { "ID": "CVE-2023-4732", "ASSIGNER": "secalert@redhat.com", "STATE": "PUBLIC" }, "description": { "description_data": [ { "lang": "eng", "value": "A flaw was found in pfn_swap_entry_to_page in memory management subsystem in the Linux Kernel. In this flaw, an attacker with a local user privilege may cause a denial of service problem due to a BUG statement referencing pmd_t x." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "Race Condition within a Thread", "cweId": "CWE-366" } ] } ] }, "affects": { "vendor": { "vendor_data": [ { "vendor_name": "Red Hat", "product": { "product_data": [ { "product_name": "Red Hat Enterprise Linux 8", "version": { "version_data": [ { "version_value": "not down converted", "x_cve_json_5_version_data": { "versions": [ { "version": "0:4.18.0-513.5.1.rt7.307.el8_9", "lessThan": "*", "versionType": "rpm", "status": "unaffected" } ], "defaultStatus": "affected" } }, { "version_value": "not down converted", "x_cve_json_5_version_data": { "versions": [ { "version": "0:4.18.0-513.5.1.el8_9", "lessThan": "*", "versionType": "rpm", "status": "unaffected" } ], "defaultStatus": "affected" } } ] } }, { "product_name": "Red Hat Enterprise Linux 8.6 Extended Update Support", "version": { "version_data": [ { "version_value": "not down converted", "x_cve_json_5_version_data": { "versions": [ { "version": "0:4.18.0-372.87.1.el8_6", "lessThan": "*", "versionType": "rpm", "status": "unaffected" } ], "defaultStatus": "affected" } } ] } }, { "product_name": "Red Hat Enterprise Linux 8.8 Extended Update Support", "version": { "version_data": [ { "version_value": "not down converted", "x_cve_json_5_version_data": { "versions": [ { "version": "0:4.18.0-477.36.1.el8_8", "lessThan": "*", "versionType": "rpm", "status": "unaffected" } ], "defaultStatus": "affected" } } ] } }, { "product_name": "Red Hat Virtualization 4 for Red Hat Enterprise Linux 8", "version": { "version_data": [ { "version_value": "not down converted", "x_cve_json_5_version_data": { "versions": [ { "version": "0:4.18.0-372.87.1.el8_6", "lessThan": "*", "versionType": "rpm", "status": "unaffected" } ], "defaultStatus": "affected" } } ] } }, { "product_name": "Red Hat Enterprise Linux 6", "version": { "version_data": [ { "version_value": "not down converted", "x_cve_json_5_version_data": { "defaultStatus": "unaffected" } } ] } }, { "product_name": "Red Hat Enterprise Linux 7", "version": { "version_data": [ { "version_value": "not down converted", "x_cve_json_5_version_data": { "defaultStatus": "unaffected" } }, { "version_value": "not down converted", "x_cve_json_5_version_data": { "defaultStatus": "unaffected" } } ] } }, { "product_name": "Red Hat Enterprise Linux 9", "version": { "version_data": [ { "version_value": "not down converted", "x_cve_json_5_version_data": { "defaultStatus": "unaffected" } }, { "version_value": "not down converted", "x_cve_json_5_version_data": { "defaultStatus": "unaffected" } } ] } } ] } } ] } }, "references": { "reference_data": [ { "url": "https://access.redhat.com/errata/RHSA-2023:6901", "refsource": "MISC", "name": "https://access.redhat.com/errata/RHSA-2023:6901" }, { "url": "https://access.redhat.com/errata/RHSA-2023:7077", "refsource": "MISC", "name": "https://access.redhat.com/errata/RHSA-2023:7077" }, { "url": "https://access.redhat.com/errata/RHSA-2023:7539", "refsource": "MISC", "name": "https://access.redhat.com/errata/RHSA-2023:7539" }, { "url": "https://access.redhat.com/errata/RHSA-2024:0412", "refsource": "MISC", "name": "https://access.redhat.com/errata/RHSA-2024:0412" }, { "url": "https://access.redhat.com/security/cve/CVE-2023-4732", "refsource": "MISC", "name": "https://access.redhat.com/security/cve/CVE-2023-4732" }, { "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2236982", "refsource": "MISC", "name": "https://bugzilla.redhat.com/show_bug.cgi?id=2236982" } ] }, "work_around": [ { "lang": "en", "value": "A possible workaround is disabling Transparent Hugepage" } ], "impact": { "cvss": [ { "attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 4.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1" } ] } }