{"id":"CVE-2023-5717","revision":null,"records":[{"revision":"c98ca6ab2951454b979f81c5052375dd","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2023-5717","aliases":[],"title":"Out-of-bounds write in Linux kernel's Linux Kernel Performance Events (perf) component","description":"A heap out-of-bounds write vulnerability in the Linux kernel's Linux Kernel Performance Events (perf) component can be exploited to achieve local privilege escalation.\n\nIf perf_read_group() is called while an event's sibling_list is smaller than its child's sibling_list, it can increment or write to memory locations outside of the allocated buffer.\n\nWe recommend upgrading past commit 32671e3799ca2e4590773fd0e63aaa4229e50c06.","state":0,"publishedAt":"2023-10-25T12:55:06.871+00:00","modifiedAt":"2026-10-14T22:07:12.236+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\": \"4.4\",\n                            \"lessThan\": \"6.6\",\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/kernel/events?id=32671e3799ca2e4590773fd0e63aaa4229e50c06","https://kernel.dance/32671e3799ca2e4590773fd0e63aaa4229e50c06","https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html","https://lists.debian.org/debian-lts-announce/2024/01/msg00005.html"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2023-5717","license":"CVE Program Terms of Use","key":"cve-program:CVE-2023-5717","identifiers":["CVE-2023-5717"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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