{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-49066",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-02-26T01:49:39.244Z",
        "datePublished": "2025-02-26T01:54:34.395Z",
        "dateUpdated": "2026-05-11T18:52:22.189Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T18:52:22.189Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nveth: Ensure eth header is in skb's linear part\n\nAfter feeding a decapsulated packet to a veth device with act_mirred,\nskb_headlen() may be 0. But veth_xmit() calls __dev_forward_skb(),\nwhich expects at least ETH_HLEN byte of linear data (as\n__dev_forward_skb2() calls eth_type_trans(), which pulls ETH_HLEN bytes\nunconditionally).\n\nUse pskb_may_pull() to ensure veth_xmit() respects this constraint.\n\nkernel BUG at include/linux/skbuff.h:2328!\nRIP: 0010:eth_type_trans+0xcf/0x140\nCall Trace:\n <IRQ>\n __dev_forward_skb2+0xe3/0x160\n veth_xmit+0x6e/0x250 [veth]\n dev_hard_start_xmit+0xc7/0x200\n __dev_queue_xmit+0x47f/0x520\n ? skb_ensure_writable+0x85/0xa0\n ? skb_mpls_pop+0x98/0x1c0\n tcf_mirred_act+0x442/0x47e [act_mirred]\n tcf_action_exec+0x86/0x140\n fl_classify+0x1d8/0x1e0 [cls_flower]\n ? dma_pte_clear_level+0x129/0x1a0\n ? dma_pte_clear_level+0x129/0x1a0\n ? prb_fill_curr_block+0x2f/0xc0\n ? skb_copy_bits+0x11a/0x220\n __tcf_classify+0x58/0x110\n tcf_classify_ingress+0x6b/0x140\n __netif_receive_skb_core.constprop.0+0x47d/0xfd0\n ? __iommu_dma_unmap_swiotlb+0x44/0x90\n __netif_receive_skb_one_core+0x3d/0xa0\n netif_receive_skb+0x116/0x170\n be_process_rx+0x22f/0x330 [be2net]\n be_poll+0x13c/0x370 [be2net]\n __napi_poll+0x2a/0x170\n net_rx_action+0x22f/0x2f0\n __do_softirq+0xca/0x2a8\n __irq_exit_rcu+0xc1/0xe0\n common_interrupt+0x83/0xa0"
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/veth.c"
                    ],
                    "versions": [
                        {
                            "version": "e314dbdc1c0dc6a548ecf0afce28ecfd538ff568",
                            "lessThan": "3de2a02b60a4ef0ab76263216f08c7d095fc7c42",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e314dbdc1c0dc6a548ecf0afce28ecfd538ff568",
                            "lessThan": "d417a859221f127e8edf09c14b76ab50f825e171",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e314dbdc1c0dc6a548ecf0afce28ecfd538ff568",
                            "lessThan": "1ef0088e43af1de4e3b365218c4d3179d9a37eec",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e314dbdc1c0dc6a548ecf0afce28ecfd538ff568",
                            "lessThan": "2fd90b86dff413fbf8128780c04ea9c6849c16e2",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e314dbdc1c0dc6a548ecf0afce28ecfd538ff568",
                            "lessThan": "d67c900f1947d64ba8a64f693504bcaab8d9000c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e314dbdc1c0dc6a548ecf0afce28ecfd538ff568",
                            "lessThan": "93940fc4cb81840dc0fa202de48cccb949a0261d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e314dbdc1c0dc6a548ecf0afce28ecfd538ff568",
                            "lessThan": "46bc359fec0c6d87b70d7a008bcd9a5e30dd6f27",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e314dbdc1c0dc6a548ecf0afce28ecfd538ff568",
                            "lessThan": "726e2c5929de841fdcef4e2bf995680688ae1b87",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/veth.c"
                    ],
                    "versions": [
                        {
                            "version": "2.6.24",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "2.6.24",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.9.311",
                            "lessThanOrEqual": "4.9.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.14.276",
                            "lessThanOrEqual": "4.14.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.19.239",
                            "lessThanOrEqual": "4.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.190",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.112",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.35",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.17.4",
                            "lessThanOrEqual": "5.17.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.18",
                            "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": "2.6.24",
                                    "versionEndExcluding": "4.9.311"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.24",
                                    "versionEndExcluding": "4.14.276"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.24",
                                    "versionEndExcluding": "4.19.239"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.24",
                                    "versionEndExcluding": "5.4.190"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.24",
                                    "versionEndExcluding": "5.10.112"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.24",
                                    "versionEndExcluding": "5.15.35"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.24",
                                    "versionEndExcluding": "5.17.4"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.24",
                                    "versionEndExcluding": "5.18"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/3de2a02b60a4ef0ab76263216f08c7d095fc7c42"
                },
                {
                    "url": "https://git.kernel.org/stable/c/d417a859221f127e8edf09c14b76ab50f825e171"
                },
                {
                    "url": "https://git.kernel.org/stable/c/1ef0088e43af1de4e3b365218c4d3179d9a37eec"
                },
                {
                    "url": "https://git.kernel.org/stable/c/2fd90b86dff413fbf8128780c04ea9c6849c16e2"
                },
                {
                    "url": "https://git.kernel.org/stable/c/d67c900f1947d64ba8a64f693504bcaab8d9000c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/93940fc4cb81840dc0fa202de48cccb949a0261d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/46bc359fec0c6d87b70d7a008bcd9a5e30dd6f27"
                },
                {
                    "url": "https://git.kernel.org/stable/c/726e2c5929de841fdcef4e2bf995680688ae1b87"
                }
            ],
            "title": "veth: Ensure eth header is in skb's linear part",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}