{"id":"CVE-2023-39197","title":"Kernel: dccp: conntrack out-of-bounds read in nf_conntrack_dccp_packet()","summary":"An out-of-bounds read vulnerability was found in Netfilter Connection Tracking (conntrack) in the Linux kernel. This flaw allows a remote user to disclose sensitive information via the DCCP protocol.","severity":"medium","cvss":4,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N","cvssSource":"cna","cwe":["CWE-125"],"vendor":"Red Hat","product":"kernel","affected":["kernel","kernel","kernel-rt","kernel","kernel-rt","kernel","kernel-rt"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2025-05-08T15:53:09.997061Z"},"published":"2024-01-23","updated":"2026-11-07","sourceUpdated":"2026-11-07T13:41:48.692Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2023-39197","references":[{"url":"https://access.redhat.com/security/cve/CVE-2023-39197"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2218342","label":"RHBZ#2218342"}],"tags":["cve.org"],"epss":0.00976,"epssPercentile":0.62336,"ingestedAt":"2026-11-07T14:18:21.470Z","slug":"CVE-2023-39197","body":"## Overview\n\nAn out-of-bounds read vulnerability was found in Netfilter Connection Tracking (conntrack) in the Linux kernel. This flaw allows a remote user to disclose sensitive information via the DCCP protocol.\n\n## Affected\n\n- `kernel`\n- `kernel`\n- `kernel-rt`\n- `kernel`\n- `kernel-rt`\n- `kernel`\n- `kernel-rt`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":22,"depthScoreParts":{"impact":22,"likelihood":0.2,"exploitation":0,"ransomware":0},"changes":[]}