{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2024-49948",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2024-10-21T12:17:06.045Z",
        "datePublished": "2024-10-21T18:02:05.121Z",
        "dateUpdated": "2024-10-22T13:38:49.499Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2024-10-21T18:02:05.121Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: add more sanity checks to qdisc_pkt_len_init()\n\nOne path takes care of SKB_GSO_DODGY, assuming\nskb->len is bigger than hdr_len.\n\nvirtio_net_hdr_to_skb() does not fully dissect TCP headers,\nit only make sure it is at least 20 bytes.\n\nIt is possible for an user to provide a malicious 'GSO' packet,\ntotal length of 80 bytes.\n\n- 20 bytes of IPv4 header\n- 60 bytes TCP header\n- a small gso_size like 8\n\nvirtio_net_hdr_to_skb() would declare this packet as a normal\nGSO packet, because it would see 40 bytes of payload,\nbigger than gso_size.\n\nWe need to make detect this case to not underflow\nqdisc_skb_cb(skb)->pkt_len."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/core/dev.c"
                    ],
                    "versions": [
                        {
                            "version": "1def9238d4aa",
                            "lessThan": "566a931a1436",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "1def9238d4aa",
                            "lessThan": "2415f465730e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "1def9238d4aa",
                            "lessThan": "27a8fabc54d2",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "1def9238d4aa",
                            "lessThan": "9b0ee571d20a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "1def9238d4aa",
                            "lessThan": "ff1c3cadcf40",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "1def9238d4aa",
                            "lessThan": "1eebe602a8d8",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "1def9238d4aa",
                            "lessThan": "ab9a9a9e9647",
                            "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/core/dev.c"
                    ],
                    "versions": [
                        {
                            "version": "3.9",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "3.9",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "5.10.227",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "5.15.168",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.1.113",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.6.55",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.10.14",
                            "lessThanOrEqual": "6.10.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.11.3",
                            "lessThanOrEqual": "6.11.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.12-rc2",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/566a931a1436d0e0ad13708ea55479b95426213c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/2415f465730e48b6e38da1c7c097317bf5dd2d20"
                },
                {
                    "url": "https://git.kernel.org/stable/c/27a8fabc54d2f960d47bdfbebf2bdc6e8a92a4c4"
                },
                {
                    "url": "https://git.kernel.org/stable/c/9b0ee571d20a238a22722126abdfde61f1b2bdd0"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ff1c3cadcf405ab37dd91418a62a7acecf3bc5e2"
                },
                {
                    "url": "https://git.kernel.org/stable/c/1eebe602a8d8264a12e35e39d0645fa88dbbacdd"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ab9a9a9e9647392a19e7a885b08000e89c86b535"
                }
            ],
            "title": "net: add more sanity checks to qdisc_pkt_len_init()",
            "x_generator": {
                "engine": "bippy-c9c4e1df01b2"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "id": "CVE-2024-49948",
                                "role": "CISA Coordinator",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "version": "2.0.3",
                                "timestamp": "2024-10-22T13:36:47.619949Z"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2024-10-22T13:38:49.499Z"
                }
            }
        ]
    }
}