{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-98877",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-09-25T10:25:14.377Z",
        "datePublished": "2026-10-23T11:37:23.678Z",
        "dateUpdated": "2026-10-26T06:55:59.697Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-26T06:55:59.697Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "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."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/irqchip/irq-gic-v3-its.c"
                    ],
                    "versions": [
                        {
                            "version": "a75460547e13c99762c2f9dbfcdd13ad416f91c5",
                            "lessThan": "3e4cae9f1472ba3c9fe87edee24074618b51f537",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a75460547e13c99762c2f9dbfcdd13ad416f91c5",
                            "lessThan": "a2508b8855acc96abe69be73b41b672f1ef12516",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a75460547e13c99762c2f9dbfcdd13ad416f91c5",
                            "lessThan": "e79934064be85fc9a3a6434da857307d8b78e33d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a75460547e13c99762c2f9dbfcdd13ad416f91c5",
                            "lessThan": "4761493dd663443f7353c184e6fa16e1cb3ac5a1",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a75460547e13c99762c2f9dbfcdd13ad416f91c5",
                            "lessThan": "ab233119a19716b8f33e73ea7e092e0eb353cfbf",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a75460547e13c99762c2f9dbfcdd13ad416f91c5",
                            "lessThan": "c8a911b3b07baa0aeb3dbc4e16a4670bd21bed40",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a75460547e13c99762c2f9dbfcdd13ad416f91c5",
                            "lessThan": "e61654fbc3bc5d07ec9fafe29f33e19b2b5d0fd5",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/irqchip/irq-gic-v3-its.c"
                    ],
                    "versions": [
                        {
                            "version": "4.15",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.15",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.271",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.222",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.189",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.158",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.111",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.53",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.15",
                                    "versionEndExcluding": "5.10.271"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.15",
                                    "versionEndExcluding": "5.15.222"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.15",
                                    "versionEndExcluding": "6.1.189"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.15",
                                    "versionEndExcluding": "6.6.158"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.15",
                                    "versionEndExcluding": "6.12.111"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.15",
                                    "versionEndExcluding": "6.18.53"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.15",
                                    "versionEndExcluding": "7.2"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/3e4cae9f1472ba3c9fe87edee24074618b51f537"
                },
                {
                    "url": "https://git.kernel.org/stable/c/a2508b8855acc96abe69be73b41b672f1ef12516"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e79934064be85fc9a3a6434da857307d8b78e33d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/4761493dd663443f7353c184e6fa16e1cb3ac5a1"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ab233119a19716b8f33e73ea7e092e0eb353cfbf"
                },
                {
                    "url": "https://git.kernel.org/stable/c/c8a911b3b07baa0aeb3dbc4e16a4670bd21bed40"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e61654fbc3bc5d07ec9fafe29f33e19b2b5d0fd5"
                }
            ],
            "title": "irqchip/gic-v4: Don't advertise VLPIs if no ITS is probed",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}