{"id":"CVE-2023-6932","revision":"e843ae36c1d64f43b184430e3b86315a","records":[{"revision":"e843ae36c1d64f43b184430e3b86315a","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2023-6932","aliases":[],"title":"Use-after-free in Linux kernel's ipv4: igmp component","description":"A use-after-free vulnerability in the Linux kernel's ipv4: igmp component can be exploited to achieve local privilege escalation.\n\nA race condition can be exploited to cause a timer be mistakenly registered on a RCU read locked object which is freed by another thread.\n\nWe recommend upgrading past commit e2b706c691905fe78468c361aaabc719d0a496f1.","state":0,"publishedAt":"2023-12-19T14:09:15.662+00:00","modifiedAt":"2026-10-14T22:15:25.739+00:00","affected":[{"ecosystem":"Vendor product","name":"kernel","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Linux\",\n                    \"product\": \"Kernel\",\n                    \"packageName\": \"kernel\",\n                    \"repo\": \"https://git.kernel.org\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"2.6.12\",\n                            \"lessThan\": \"6.7\",\n                            \"versionType\": \"custom\"\n                        }\n                    ],\n                    \"defaultStatus\": \"unaffected\"\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8,"severity":"HIGH"}],"references":["https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=e2b706c691905fe78468c361aaabc719d0a496f1","https://kernel.dance/e2b706c691905fe78468c361aaabc719d0a496f1","https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html","https://lists.debian.org/debian-lts-announce/2024/01/msg00005.html","http://packetstormsecurity.com/files/177029/Kernel-Live-Patch-Security-Notice-LSN-0100-1.html"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2023-6932","license":"CVE Program Terms of Use","key":"cve-program:CVE-2023-6932","identifiers":["CVE-2023-6932"]},"retained":false,"historicalAffected":[]}],"coverage":[]}