{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "a75460547e13c99762c2f9dbfcdd13ad416f91c5"
            },
            {
              "fixed": "3e4cae9f1472ba3c9fe87edee24074618b51f537"
            },
            {
              "fixed": "a2508b8855acc96abe69be73b41b672f1ef12516"
            },
            {
              "fixed": "e79934064be85fc9a3a6434da857307d8b78e33d"
            },
            {
              "fixed": "4761493dd663443f7353c184e6fa16e1cb3ac5a1"
            },
            {
              "fixed": "ab233119a19716b8f33e73ea7e092e0eb353cfbf"
            },
            {
              "fixed": "c8a911b3b07baa0aeb3dbc4e16a4670bd21bed40"
            },
            {
              "fixed": "e61654fbc3bc5d07ec9fafe29f33e19b2b5d0fd5"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.15.0"
            },
            {
              "fixed": "5.10.271"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.222"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.189"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.158"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.111"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.53"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98877.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nirqchip/gic-v4: Don't advertise VLPIs if no ITS is probed\n\nWhen accidentally setting “kvm-arm.vgic_v4_enable=1” on a system that has\nno MSI controller device tree node and GICv4, it results a panic as\n“gic_domain” is NULL and the kernel attempts to access it.\n\n    Unable to handle kernel NULL pointer dereference at virtual address 0000000000000028\n    Mem abort info:\n      ESR = 0x0000000096000006\n\n    CPU: 1 UID: 0 PID: 295 Comm: lkvm-static Not tainted 7.1.0-rc4-ge3f15ad3970e #5 PREEMPT\n    Hardware name: linux,dummy-virt (DT)\n    pstate: 81402005 (Nzcv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--)\n    pc : __irq_domain_instantiate+0x1d4/0x578\n    lr : __irq_domain_instantiate+0x1cc/0x578\n\nSet vLPI support to false at init time if the host has no ITS, so it\npropagates properly to kvm_vgic_global_state.has_gicv4.",
  "id": "CVE-2026-98877",
  "modified": "2026-10-28T02:30:28.164388510Z",
  "published": "2026-10-23T11:37:23.678Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3e4cae9f1472ba3c9fe87edee24074618b51f537"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4761493dd663443f7353c184e6fa16e1cb3ac5a1"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a2508b8855acc96abe69be73b41b672f1ef12516"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ab233119a19716b8f33e73ea7e092e0eb353cfbf"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c8a911b3b07baa0aeb3dbc4e16a4670bd21bed40"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e61654fbc3bc5d07ec9fafe29f33e19b2b5d0fd5"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e79934064be85fc9a3a6434da857307d8b78e33d"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98877.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-98877"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.2",
  "summary": "irqchip/gic-v4: Don't advertise VLPIs if no ITS is probed"
}