{ "data_version": "4.0", "data_type": "CVE", "data_format": "MITRE", "CVE_data_meta": { "ID": "CVE-2023-4244", "ASSIGNER": "security@google.com", "STATE": "PUBLIC" }, "description": { "description_data": [ { "lang": "eng", "value": "A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation.\n\nDue to a race condition between nf_tables netlink control plane transaction and nft_set element garbage collection, it is possible to underflow the reference counter causing a use-after-free vulnerability.\n\nWe recommend upgrading past commit 3e91b0ebd994635df2346353322ac51ce84ce6d8.\n\n" } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-416 Use After Free", "cweId": "CWE-416" } ] } ] }, "affects": { "vendor": { "vendor_data": [ { "vendor_name": "Linux", "product": { "product_data": [ { "product_name": "Kernel", "version": { "version_data": [ { "version_affected": "<", "version_name": "0.0", "version_value": "6.5" } ] } } ] } } ] } }, "references": { "reference_data": [ { "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3e91b0ebd994635df2346353322ac51ce84ce6d8", "refsource": "MISC", "name": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3e91b0ebd994635df2346353322ac51ce84ce6d8" }, { "url": "https://kernel.dance/3e91b0ebd994635df2346353322ac51ce84ce6d8", "refsource": "MISC", "name": "https://kernel.dance/3e91b0ebd994635df2346353322ac51ce84ce6d8" }, { "url": "https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html", "refsource": "MISC", "name": "https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html" }, { "url": "https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html", "refsource": "MISC", "name": "https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html" } ] }, "generator": { "engine": "Vulnogram 0.1.0-dev" }, "source": { "discovery": "EXTERNAL" }, "credits": [ { "lang": "en", "value": "Bien Pham from Team Orca of Sea Security Team" } ], "impact": { "cvss": [ { "version": "3.1", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseSeverity": "HIGH", "baseScore": 7.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H" } ] } }