{
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    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2025-39718",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-04-16T07:20:57.117Z",
        "datePublished": "2025-09-05T17:21:25.959Z",
        "dateUpdated": "2026-05-23T16:00:32.869Z"
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                "dateUpdated": "2026-05-23T16:00:32.869Z"
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                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nvsock/virtio: Validate length in packet header before skb_put()\n\nWhen receiving a vsock packet in the guest, only the virtqueue buffer\nsize is validated prior to virtio_vsock_skb_rx_put(). Unfortunately,\nvirtio_vsock_skb_rx_put() uses the length from the packet header as the\nlength argument to skb_put(), potentially resulting in SKB overflow if\nthe host has gone wonky.\n\nValidate the length as advertised by the packet header before calling\nvirtio_vsock_skb_rx_put()."
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                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/vmw_vsock/virtio_transport.c"
                    ],
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                            "lessThan": "969b06bd8b7560efb100a34227619e7d318fbe05",
                            "status": "affected",
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                            "lessThan": "676f03760ca1d69c2470cef36c44dc152494b47c",
                            "status": "affected",
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                        {
                            "version": "71dc9ec9ac7d3eee785cdc986c3daeb821381e20",
                            "lessThan": "0dab92484474587b82e8e0455839eaf5ac7bf894",
                            "status": "affected",
                            "versionType": "git"
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                            "version": "6.1.63",
                            "lessThan": "6.1.149",
                            "status": "affected",
                            "versionType": "semver"
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                    ]
                },
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                    "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.c"
                    ],
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                            "status": "affected"
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                        {
                            "version": "0",
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                            "status": "unaffected",
                            "versionType": "semver"
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                        {
                            "version": "6.1.149",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
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                        {
                            "version": "6.6.103",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
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                            "version": "6.12.44",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
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                        {
                            "version": "6.16.4",
                            "lessThanOrEqual": "6.16.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.17",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
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                }
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                            "negate": false,
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                                    "vulnerable": true,
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                                    "versionStartIncluding": "6.1.63",
                                    "versionEndExcluding": "6.1.149"
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                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/969b06bd8b7560efb100a34227619e7d318fbe05"
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                },
                {
                    "url": "https://git.kernel.org/stable/c/0dab92484474587b82e8e0455839eaf5ac7bf894"
                }
            ],
            "title": "vsock/virtio: Validate length in packet header before skb_put()",
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        },
        "adp": [
            {
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"
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                    "dateUpdated": "2025-11-03T17:42:44.024Z"
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                    "shortName": "siemens-SADP",
                    "dateUpdated": "2026-05-12T12:06:34.737Z"
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                "affected": [
                    {
                        "vendor": "Siemens",
                        "product": "SIMATIC CN 4100",
                        "versions": [
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                                "version": "0",
                                "lessThan": "V5.0",
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                    {
                        "url": "https://cert-portal.siemens.com/productcert/html/ssa-032379.html"
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