{"id":"CVE-2026-93043","revision":"1aa2ca0af5ad4abdbff4d617ccef51d0","records":[{"revision":"1aa2ca0af5ad4abdbff4d617ccef51d0","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-93043","aliases":[],"title":"bpf: Disallow interpreter fallback for gotox insn","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Disallow interpreter fallback for gotox insn\n\nThe interpreter does not recognize the BPF_JMP|BPF_JA|BPF_X insn, which\nis used for insn_array map. Thereafter, it would hit the BUG_ON() in\n___bpf_prog_run() at run time.\n\n[    2.563726] BPF interpreter: unknown opcode 0d (imm: 0x0)\n[    2.564557] ------------[ cut here ]------------\n[    2.565206] kernel BUG at kernel/bpf/core.c:2349!\n[    2.565882] Oops: invalid opcode: 0000 [#1] SMP PTI\n\nSet jit_required as true when insn_array map is used in the prog in\norder to disallow interpreter fallback for gotox insn in\ncore.c::__bpf_prog_select_runtime().","state":0,"publishedAt":"2026-09-17T16:10:35.602+00:00","modifiedAt":"2026-10-19T09:04:38.184+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"kernel/bpf/verifier.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"493d9e0d608339a32f568504d5fd411a261bb0af\",\n                            \"lessThan\": \"17da80d0c7b56579476b6644120bcfea778e531a\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"493d9e0d608339a32f568504d5fd411a261bb0af\",\n                            \"lessThan\": \"905f716362e1186c1a23447ca279e6d21f795cdb\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"kernel/bpf/verifier.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.19\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.19\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.6\",\n                            \"lessThanOrEqual\": \"7.2.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.3\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/17da80d0c7b56579476b6644120bcfea778e531a","https://git.kernel.org/stable/c/905f716362e1186c1a23447ca279e6d21f795cdb"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-93043","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-93043","identifiers":["CVE-2026-93043"]},"retained":false,"historicalAffected":[]}],"coverage":[]}