{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-46214",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-05-13T15:03:33.105Z",
        "datePublished": "2026-05-28T09:40:31.245Z",
        "dateUpdated": "2026-06-14T18:03:15.809Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-06-14T18:03:15.809Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nvsock/virtio: fix accept queue count leak on transport mismatch\n\nvirtio_transport_recv_listen() calls sk_acceptq_added() before\nvsock_assign_transport(). If vsock_assign_transport() fails or\nselects a different transport, the error path returns without\ncalling sk_acceptq_removed(), permanently incrementing\nsk_ack_backlog.\n\nAfter approximately backlog+1 such failures, sk_acceptq_is_full()\nreturns true, causing the listener to reject all new connections.\n\nFix by moving sk_acceptq_added() to after the transport validation,\nmatching the pattern used by vmci_transport and hyperv_transport."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/vmw_vsock/virtio_transport_common.c"
                    ],
                    "versions": [
                        {
                            "version": "c0cfa2d8a788fcf45df5bf4070ab2474c88d543a",
                            "lessThan": "2ea5d2c79edcc99c7dbe0bb7518f5e1ee2a2391f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c0cfa2d8a788fcf45df5bf4070ab2474c88d543a",
                            "lessThan": "fd51e810affa38d735d04261e673b2a5fe9c8665",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c0cfa2d8a788fcf45df5bf4070ab2474c88d543a",
                            "lessThan": "f66c7904fb6f0e420a654bc90909e64a25d00896",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c0cfa2d8a788fcf45df5bf4070ab2474c88d543a",
                            "lessThan": "65c484726e74013a2ec7ba67a34d87760ae8f390",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c0cfa2d8a788fcf45df5bf4070ab2474c88d543a",
                            "lessThan": "29371f3cc83e2a92265b4768014a30b80234112f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c0cfa2d8a788fcf45df5bf4070ab2474c88d543a",
                            "lessThan": "e9edf9893cf26d060705c910a9b62d8cc96ed56a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c0cfa2d8a788fcf45df5bf4070ab2474c88d543a",
                            "lessThan": "6d3275fc4ed968938e1d556c344798046776668d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c0cfa2d8a788fcf45df5bf4070ab2474c88d543a",
                            "lessThan": "52bcb57a4e8a0865a76c587c2451906342ae1b2d",
                            "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/vmw_vsock/virtio_transport_common.c"
                    ],
                    "versions": [
                        {
                            "version": "5.5",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.5",
                            "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": "6.12.90",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.32",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0.9",
                            "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": "5.5",
                                    "versionEndExcluding": "5.10.258"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                                    "versionEndExcluding": "7.1"
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            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/2ea5d2c79edcc99c7dbe0bb7518f5e1ee2a2391f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/fd51e810affa38d735d04261e673b2a5fe9c8665"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f66c7904fb6f0e420a654bc90909e64a25d00896"
                },
                {
                    "url": "https://git.kernel.org/stable/c/65c484726e74013a2ec7ba67a34d87760ae8f390"
                },
                {
                    "url": "https://git.kernel.org/stable/c/29371f3cc83e2a92265b4768014a30b80234112f"
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                {
                    "url": "https://git.kernel.org/stable/c/e9edf9893cf26d060705c910a9b62d8cc96ed56a"
                },
                {
                    "url": "https://git.kernel.org/stable/c/6d3275fc4ed968938e1d556c344798046776668d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/52bcb57a4e8a0865a76c587c2451906342ae1b2d"
                }
            ],
            "title": "vsock/virtio: fix accept queue count leak on transport mismatch",
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}