{
  "affected": [
    {
      "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:  KVM: arm64: GICv2: Don't WARN on out-of-range GICV_DIR INTID  vgic_v2_deactivate() passes the INTID a guest wrote to GICV_DIR straight to vgic_get_vcpu_irq(), and treats a failed lookup as a \"can't happen\" condition with WARN_ON_ONCE().  The guest can make it happen at will, though: for any INTID outside of the implemented SGI, PPI and SPI ranges the lookup returns NULL, since GICv2 has no LPIs. A guest running with EOImode==1 writing such an INTID to GICV_DIR triggers the WARN, and panics hosts running with panic_on_warn.  Drop the WARN and ignore failed lookups.",
  "id": "DEBIAN-CVE-2026-89727",
  "modified": "2026-09-12T08:47:22.617143023Z",
  "published": "2026-09-11T20:20:03.027Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://security-tracker.debian.org/tracker/CVE-2026-89727"
    }
  ],
  "upstream": [
    "CVE-2026-89727"
  ]
}