{"id":"CVE-2023-31436","revision":"b5a3a784f0f041bc90c301a1a2bf8f67","records":[{"revision":"b5a3a784f0f041bc90c301a1a2bf8f67","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2023-31436","aliases":[],"title":"qfq_change_class in net/sched/sch_qfq.c in the Linux kernel before 6.2.13 allows an out-of-bounds write because lmax can exceed QFQ_MIN_LMAX.","description":"qfq_change_class in net/sched/sch_qfq.c in the Linux kernel before 6.2.13 allows an out-of-bounds write because lmax can exceed QFQ_MIN_LMAX.","state":0,"publishedAt":"2023-04-28T00:00:00+00:00","modifiedAt":"2026-10-14T23:12:32.795+00:00","affected":[{"ecosystem":"Vendor product","name":"n/a","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"n/a\",\n                    \"product\": \"n/a\",\n                    \"versions\": [\n                        {\n                            \"version\": \"n/a\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://github.com/torvalds/linux/commit/3037933448f60f9acb705997eae62013ecb81e0d","https://www.spinics.net/lists/stable-commits/msg294885.html","https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.13","https://www.debian.org/security/2023/dsa-5402","https://lists.debian.org/debian-lts-announce/2023/06/msg00008.html","https://security.netapp.com/advisory/ntap-20230609-0001/","http://packetstormsecurity.com/files/173087/Kernel-Live-Patch-Security-Notice-LSN-0095-1.html","http://packetstormsecurity.com/files/173757/Kernel-Live-Patch-Security-Notice-LSN-0096-1.html","http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2023-31436","license":"CVE Program Terms of Use","key":"cve-program:CVE-2023-31436","identifiers":["CVE-2023-31436"]},"retained":false,"historicalAffected":[]}],"coverage":[]}