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CVE PROGRAM SOURCE RECORDUnscored

CVE-2026-93043

bpf: Disallow interpreter fallback for gotox insn

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Status
Published
Published
Updated
Assigning organization
Linux

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().

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • 493d9e0d608339a32f568504d5fd411a261bb0af to < 17da80d0c7b56579476b6644120bcfea778e531aaffected
  • 493d9e0d608339a32f568504d5fd411a261bb0af to < 905f716362e1186c1a23447ca279e6d21f795cdbaffected

Linux Linux

Default version status: affected

  • 6.19affected
  • 0 to < 6.19unaffected
  • 7.2.6 to ≤ 7.2.*unaffected
  • 7.3 to ≤ *unaffected

References