CVE-2026-93043
Description
In the Linux kernel, the following vulnerability has been resolved: bpf: Disallow interpreter fallback for gotox insn The interpreter does not recognize the BPF_JMP|BPF_JA|BPF_X insn, which is used for insn_array map. Thereafter, it would hit the BUG_ON() in ___bpf_prog_run() at run time. [ 2.563726] BPF interpreter: unknown opcode 0d (imm: 0x0) [ 2.564557] ------------[ cut here ]------------ [ 2.565206] kernel BUG at kernel/bpf/core.c:2349! [ 2.565882] Oops: invalid opcode: 0000 [#1] SMP PTI Set jit_required as true when insn_array map is used in the prog in order to disallow interpreter fallback for gotox insn in core.c::__bpf_prog_select_runtime().
How to fix
- Linux Linux17da80d0c7b56579476b6644120bcfea778e531a, 905f716362e1186c1a23447ca279e6d21f795cdb or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | 493d9e0d608339a32f568504d5fd411a261bb0af ≤ v < 17da80d0c7b56579476b6644120bcfea778e531a, 493d9e0d608339a32f568504d5fd411a261bb0af ≤ v < 905f716362e1186c1a23447ca279e6d21f795cdb, 6.19 | 17da80d0c7b56579476b6644120bcfea778e531a, 905f716362e1186c1a23447ca279e6d21f795cdb |
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