{
  "affected": [
    {
      "ecosystem_specific": {
        "urgency": "not yet assigned"
      },
      "package": {
        "ecosystem": "Debian:13",
        "name": "linux"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {
        "urgency": "not yet assigned"
      },
      "package": {
        "ecosystem": "Debian:14",
        "name": "linux"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "details": "In the Linux kernel, the following vulnerability has been resolved:  bpf: Disallow interpreter fallback for arena-related insns  Since the interpreter does not support the arena-related insns, interpreter fallback should not be allowed for these insns in core.c::__bpf_prog_select_runtime().  Currently, when the interpreter executes the arena ST/LDX/STX insns, it would hit the BUG_ON() in ___bpf_prog_run() at run time.  [    2.579196] BPF interpreter: unknown opcode a2 (imm: 0x0) [    2.579998] ------------[ cut here ]------------ [    2.580652] kernel BUG at kernel/bpf/core.c:2349! [    2.581314] Oops: invalid opcode: 0000 [#1] SMP PTI  Set jit_required as true when arena map is used in the prog to disallow interpreter fallback for arena-related insns.",
  "id": "DEBIAN-CVE-2026-93044",
  "modified": "2026-09-18T04:47:31.504853659Z",
  "published": "2026-09-17T17:17:57.643Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://security-tracker.debian.org/tracker/CVE-2026-93044"
    }
  ],
  "upstream": [
    "CVE-2026-93044"
  ]
}