{ "data_version": "4.0", "data_type": "CVE", "data_format": "MITRE", "CVE_data_meta": { "ID": "CVE-2023-4389", "ASSIGNER": "secalert@redhat.com", "STATE": "PUBLIC" }, "description": { "description_data": [ { "lang": "eng", "value": "A flaw was found in btrfs_get_root_ref in fs/btrfs/disk-io.c in the btrfs filesystem in the Linux Kernel due to a double decrement of the reference count. This issue may allow a local attacker with user privilege to crash the system or may lead to leaked internal kernel information." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "Double Free", "cweId": "CWE-415" } ] } ] }, "affects": { "vendor": { "vendor_data": [ { "vendor_name": "n/a", "product": { "product_data": [ { "product_name": "Kernel", "version": { "version_data": [ { "version_value": "not down converted", "x_cve_json_5_version_data": { "versions": [ { "version": "5.18-rc3", "status": "unaffected" } ] } } ] } } ] } }, { "vendor_name": "Red Hat", "product": { "product_data": [ { "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 8", "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" } } ] } } ] } }, { "vendor_name": "Fedora", "product": { "product_data": [ { "product_name": "Fedora", "version": { "version_data": [ { "version_value": "not down converted", "x_cve_json_5_version_data": { "defaultStatus": "unaffected" } } ] } } ] } } ] } }, "references": { "reference_data": [ { "url": "https://access.redhat.com/security/cve/CVE-2023-4389", "refsource": "MISC", "name": "https://access.redhat.com/security/cve/CVE-2023-4389" }, { "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2219271", "refsource": "MISC", "name": "https://bugzilla.redhat.com/show_bug.cgi?id=2219271" }, { "url": "https://patchwork.kernel.org/project/linux-btrfs/patch/20220324134454.15192-1-baijiaju1990@gmail.com/", "refsource": "MISC", "name": "https://patchwork.kernel.org/project/linux-btrfs/patch/20220324134454.15192-1-baijiaju1990@gmail.com/" } ] }, "impact": { "cvss": [ { "attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1" } ] } }