{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-46047",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-05-13T15:03:33.094Z",
        "datePublished": "2026-05-27T12:57:03.471Z",
        "dateUpdated": "2026-06-14T17:50:30.115Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-06-14T17:50:30.115Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: qrtr: ns: Fix use-after-free in driver remove()\n\nIn the remove callback, if a packet arrives after destroy_workqueue() is\ncalled, but before sock_release(), the qrtr_ns_data_ready() callback will\ntry to queue the work, causing use-after-free issue.\n\nFix this issue by saving the default 'sk_data_ready' callback during\nqrtr_ns_init() and use it to replace the qrtr_ns_data_ready() callback at\nthe start of remove(). This ensures that even if a packet arrives after\ndestroy_workqueue(), the work struct will not be dereferenced.\n\nNote that it is also required to ensure that the RX threads are completed\nbefore destroying the workqueue, because the threads could be using the\nqrtr_ns_data_ready() callback."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/qrtr/ns.c"
                    ],
                    "versions": [
                        {
                            "version": "0c2204a4ad710d95d348ea006f14ba926e842ffd",
                            "lessThan": "65168712c216584ff482a7d1a67589f2079b2634",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0c2204a4ad710d95d348ea006f14ba926e842ffd",
                            "lessThan": "dff081c3602f2fd810f69ef47945a226980dd05d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0c2204a4ad710d95d348ea006f14ba926e842ffd",
                            "lessThan": "4ae0bd51bf7079e9c2a06b5de0ae04ba70d10167",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0c2204a4ad710d95d348ea006f14ba926e842ffd",
                            "lessThan": "0f313eb6a8f6dffa491373cf3afab979fa1c02f4",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0c2204a4ad710d95d348ea006f14ba926e842ffd",
                            "lessThan": "db3c60ec772de30acae92d560dfcc5258e58dbe8",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0c2204a4ad710d95d348ea006f14ba926e842ffd",
                            "lessThan": "2e127ceb1c415e246076d8e09e23e443a7a2038f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0c2204a4ad710d95d348ea006f14ba926e842ffd",
                            "lessThan": "f96779e916576e81430ebb326baff6e433fef8ae",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0c2204a4ad710d95d348ea006f14ba926e842ffd",
                            "lessThan": "7809fea20c9404bfcfa6112ec08d1fe1d3520beb",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/qrtr/ns.c"
                    ],
                    "versions": [
                        {
                            "version": "5.7",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.7",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.258",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.209",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.175",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.140",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.86",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.27",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0.4",
                            "lessThanOrEqual": "7.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1",
                            "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": "5.7",
                                    "versionEndExcluding": "5.10.258"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                                },
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                                    "versionStartIncluding": "5.7",
                                    "versionEndExcluding": "7.1"
                                }
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                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/65168712c216584ff482a7d1a67589f2079b2634"
                },
                {
                    "url": "https://git.kernel.org/stable/c/dff081c3602f2fd810f69ef47945a226980dd05d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/4ae0bd51bf7079e9c2a06b5de0ae04ba70d10167"
                },
                {
                    "url": "https://git.kernel.org/stable/c/0f313eb6a8f6dffa491373cf3afab979fa1c02f4"
                },
                {
                    "url": "https://git.kernel.org/stable/c/db3c60ec772de30acae92d560dfcc5258e58dbe8"
                },
                {
                    "url": "https://git.kernel.org/stable/c/2e127ceb1c415e246076d8e09e23e443a7a2038f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f96779e916576e81430ebb326baff6e433fef8ae"
                },
                {
                    "url": "https://git.kernel.org/stable/c/7809fea20c9404bfcfa6112ec08d1fe1d3520beb"
                }
            ],
            "title": "net: qrtr: ns: Fix use-after-free in driver remove()",
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}