{"id":"CVE-2026-93043","title":"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","summary":"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 wo…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 493d9e0d608339a32f568504d5fd411a261bb0af < 17da80d0c7b56579476b6644120bcfea778e531a","Linux >= 493d9e0d608339a32f568504d5fd411a261bb0af < 905f716362e1186c1a23447ca279e6d21f795cdb","Linux 6.19"],"published":"2026-09-17","updated":"2026-09-17","sourceUpdated":"2026-09-17T17:17:57.543","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-93043","references":[{"url":"https://git.kernel.org/stable/c/17da80d0c7b56579476b6644120bcfea778e531a","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/905f716362e1186c1a23447ca279e6d21f795cdb","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-09-17T16:21:47.773Z","epss":0.00155,"epssPercentile":0.05098,"slug":"CVE-2026-93043","body":"## Overview\n\nIn 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().\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}