{ "data_version": "4.0", "data_type": "CVE", "data_format": "MITRE", "CVE_data_meta": { "ID": "CVE-2023-42752", "ASSIGNER": "secalert@redhat.com", "STATE": "PUBLIC" }, "description": { "description_data": [ { "lang": "eng", "value": "An integer overflow flaw was found in the Linux kernel. This issue leads to the kernel allocating `skb_shared_info` in the userspace, which is exploitable in systems without SMAP protection since `skb_shared_info` contains references to function pointers." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "Integer Overflow or Wraparound", "cweId": "CWE-190" } ] } ] }, "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": "6.6-rc1", "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": "http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html", "refsource": "MISC", "name": "http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html" }, { "url": "https://access.redhat.com/security/cve/CVE-2023-42752", "refsource": "MISC", "name": "https://access.redhat.com/security/cve/CVE-2023-42752" }, { "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2239828", "refsource": "MISC", "name": "https://bugzilla.redhat.com/show_bug.cgi?id=2239828" }, { "url": "https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=915d975b2ffa", "refsource": "MISC", "name": "https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=915d975b2ffa" }, { "url": "https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=c3b704d4a4a2", "refsource": "MISC", "name": "https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=c3b704d4a4a2" } ] }, "impact": { "cvss": [ { "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" } ] } }