{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-43440",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-05-01T14:12:56.009Z",
        "datePublished": "2026-05-08T14:22:09.334Z",
        "dateUpdated": "2026-05-11T22:24:37.924Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T22:24:37.924Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/mana: Null service_wq on setup error to prevent double destroy\n\nIn mana_gd_setup() error path, set gc->service_wq to NULL after\ndestroy_workqueue() to match the cleanup in mana_gd_cleanup().\nThis prevents a use-after-free if the workqueue pointer is checked\nafter a failed setup."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/ethernet/microsoft/mana/gdma_main.c"
                    ],
                    "versions": [
                        {
                            "version": "fa3c2f8d9152344a478abb847081c1b5f84a94f5",
                            "lessThan": "59489ce60d7412ed82fb1d8002faa3102dcd4916",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a9a7c3203fdc4d4a8d8a7a3b1ed05d2bb4c6e77e",
                            "lessThan": "6c92392602b451e3869f15ab685f8f650e942b13",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f975a0955276579e2176a134366ed586071c7c6a",
                            "lessThan": "87c2302813abc55c46485711a678e3c312b00666",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/ethernet/microsoft/mana/gdma_main.c"
                    ],
                    "versions": [
                        {
                            "version": "6.18.16",
                            "lessThan": "6.18.19",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.19.6",
                            "lessThan": "6.19.9",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.18.16",
                                    "versionEndExcluding": "6.18.19"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.19.6",
                                    "versionEndExcluding": "6.19.9"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/59489ce60d7412ed82fb1d8002faa3102dcd4916"
                },
                {
                    "url": "https://git.kernel.org/stable/c/6c92392602b451e3869f15ab685f8f650e942b13"
                },
                {
                    "url": "https://git.kernel.org/stable/c/87c2302813abc55c46485711a678e3c312b00666"
                }
            ],
            "title": "net/mana: Null service_wq on setup error to prevent double destroy",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}