{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-80647",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-08-26T14:34:25.779Z",
        "datePublished": "2026-08-28T06:48:56.879Z",
        "dateUpdated": "2026-08-28T06:48:56.879Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-08-28T06:48:56.879Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/hns: Fix warning in poll cq direct mode\n\nCQs allocated by ib_alloc_cq() always have a comp_handler. Though\nin direct mode this handler is never expected to be called, it\nis still called when the driver is reset, triggering the following\nWARN_ONCE():\n\nCall trace:\nib_cq_completion_direct+0x38/0x60\nhns_roce_cq_completion+0x54/0x90 (hns_roce_hw_v2]\nhns_roce_handle_device_err+Ox1c8/0x340 [hns_roce_hw_v2]\nhns_roce_hw_v2_uninit_instance.constprop.0+0x34/0x70 [hns_roce_hw_v2]\nhns_roce_hw_v2_reset_notify+0xc4/0xe0 [hns_roce_hw_v2]\nhclge_notify_roce_client+0x60/0xbc [hclge]\nhclge_reset_rebuild+0x48/0x34c [hclge]\nhclge_reset_subtask+0xcc/0xec [hclge]\nhclge_reset_service_task+0x80/0x160 [hclge]\nhclge_service_task+0x50/0x80 (hclge]\nprocess_one_work+0x1cc/0x4d0\nworker_thread+0x154/0x414\nkthread+0x104/0x144\nret_from_fork+0x10/0x18"
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/infiniband/hw/hns/hns_roce_main.c"
                    ],
                    "versions": [
                        {
                            "version": "f295e4cece5cb4c60715fed539abcd62468f9ef1",
                            "lessThan": "95b2e44bc1e5c5d93bb58e178d914dd99a3baa6f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f295e4cece5cb4c60715fed539abcd62468f9ef1",
                            "lessThan": "e7d363c0ffa836ac1d89657686cad241392c5eb2",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f295e4cece5cb4c60715fed539abcd62468f9ef1",
                            "lessThan": "c028c1977b6e61eee26bb69332453efb6513f83b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f295e4cece5cb4c60715fed539abcd62468f9ef1",
                            "lessThan": "a075a7acd155ffdd058e72eb3f4cce1207ebafa1",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f295e4cece5cb4c60715fed539abcd62468f9ef1",
                            "lessThan": "9f05319149c14acedb83e2c2842ec4b38992ad9f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f295e4cece5cb4c60715fed539abcd62468f9ef1",
                            "lessThan": "16138ea9833d6bb1bed37a3321f282242704bf02",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f295e4cece5cb4c60715fed539abcd62468f9ef1",
                            "lessThan": "1e56f8886d64288cf88d80af44c7b9148aeaa98b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f295e4cece5cb4c60715fed539abcd62468f9ef1",
                            "lessThan": "3f19c2a3852e6ba75f3e92dd5edc4e07f3d07f4a",
                            "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/infiniband/hw/hns/hns_roce_main.c"
                    ],
                    "versions": [
                        {
                            "version": "5.5",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.5",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.261",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.212",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.178",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.145",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.97",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.40",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1.5",
                            "lessThanOrEqual": "7.1.*",
                            "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": "5.5",
                                    "versionEndExcluding": "5.10.261"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.5",
                                    "versionEndExcluding": "5.15.212"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.5",
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                                    "versionStartIncluding": "5.5",
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                                {
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                                    "versionStartIncluding": "5.5",
                                    "versionEndExcluding": "7.1.5"
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                                    "versionStartIncluding": "5.5",
                                    "versionEndExcluding": "7.2"
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            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/95b2e44bc1e5c5d93bb58e178d914dd99a3baa6f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e7d363c0ffa836ac1d89657686cad241392c5eb2"
                },
                {
                    "url": "https://git.kernel.org/stable/c/c028c1977b6e61eee26bb69332453efb6513f83b"
                },
                {
                    "url": "https://git.kernel.org/stable/c/a075a7acd155ffdd058e72eb3f4cce1207ebafa1"
                },
                {
                    "url": "https://git.kernel.org/stable/c/9f05319149c14acedb83e2c2842ec4b38992ad9f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/16138ea9833d6bb1bed37a3321f282242704bf02"
                },
                {
                    "url": "https://git.kernel.org/stable/c/1e56f8886d64288cf88d80af44c7b9148aeaa98b"
                },
                {
                    "url": "https://git.kernel.org/stable/c/3f19c2a3852e6ba75f3e92dd5edc4e07f3d07f4a"
                }
            ],
            "title": "RDMA/hns: Fix warning in poll cq direct mode",
            "x_generator": {
                "engine": "bippy-1.2.0"
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    }
}