{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2024-44984",
        "ASSIGNER": "cve@kernel.org",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbnxt_en: Fix double DMA unmapping for XDP_REDIRECT\n\nRemove the dma_unmap_page_attrs() call in the driver's XDP_REDIRECT\ncode path.  This should have been removed when we let the page pool\nhandle the DMA mapping.  This bug causes the warning:\n\nWARNING: CPU: 7 PID: 59 at drivers/iommu/dma-iommu.c:1198 iommu_dma_unmap_page+0xd5/0x100\nCPU: 7 PID: 59 Comm: ksoftirqd/7 Tainted: G        W          6.8.0-1010-gcp #11-Ubuntu\nHardware name: Dell Inc. PowerEdge R7525/0PYVT1, BIOS 2.15.2 04/02/2024\nRIP: 0010:iommu_dma_unmap_page+0xd5/0x100\nCode: 89 ee 48 89 df e8 cb f2 69 ff 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d 31 c0 31 d2 31 c9 31 f6 31 ff 45 31 c0 e9 ab 17 71 00 <0f> 0b 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d 31 c0 31 d2 31 c9\nRSP: 0018:ffffab1fc0597a48 EFLAGS: 00010246\nRAX: 0000000000000000 RBX: ffff99ff838280c8 RCX: 0000000000000000\nRDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000\nRBP: ffffab1fc0597a78 R08: 0000000000000002 R09: ffffab1fc0597c1c\nR10: ffffab1fc0597cd3 R11: ffff99ffe375acd8 R12: 00000000e65b9000\nR13: 0000000000000050 R14: 0000000000001000 R15: 0000000000000002\nFS:  0000000000000000(0000) GS:ffff9a06efb80000(0000) knlGS:0000000000000000\nCS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 0000565c34c37210 CR3: 00000005c7e3e000 CR4: 0000000000350ef0\n? show_regs+0x6d/0x80\n? __warn+0x89/0x150\n? iommu_dma_unmap_page+0xd5/0x100\n? report_bug+0x16a/0x190\n? handle_bug+0x51/0xa0\n? exc_invalid_op+0x18/0x80\n? iommu_dma_unmap_page+0xd5/0x100\n? iommu_dma_unmap_page+0x35/0x100\ndma_unmap_page_attrs+0x55/0x220\n? bpf_prog_4d7e87c0d30db711_xdp_dispatcher+0x64/0x9f\nbnxt_rx_xdp+0x237/0x520 [bnxt_en]\nbnxt_rx_pkt+0x640/0xdd0 [bnxt_en]\n__bnxt_poll_work+0x1a1/0x3d0 [bnxt_en]\nbnxt_poll+0xaa/0x1e0 [bnxt_en]\n__napi_poll+0x33/0x1e0\nnet_rx_action+0x18a/0x2f0"
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "Linux",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Linux",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_name": "578fcfd26e2a",
                                            "version_value": "fa4e6ae38574"
                                        },
                                        {
                                            "version_value": "not down converted",
                                            "x_cve_json_5_version_data": {
                                                "versions": [
                                                    {
                                                        "version": "6.6",
                                                        "status": "affected"
                                                    },
                                                    {
                                                        "version": "0",
                                                        "lessThan": "6.6",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "6.6.48",
                                                        "lessThanOrEqual": "6.6.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "6.10.7",
                                                        "lessThanOrEqual": "6.10.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "6.11",
                                                        "lessThanOrEqual": "*",
                                                        "status": "unaffected",
                                                        "versionType": "original_commit_for_fix"
                                                    }
                                                ],
                                                "defaultStatus": "affected"
                                            }
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://git.kernel.org/stable/c/fa4e6ae38574d0fc5596272bee64727d8ab7052b",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/fa4e6ae38574d0fc5596272bee64727d8ab7052b"
            },
            {
                "url": "https://git.kernel.org/stable/c/95a305ba259b685780ed62ea2295aa2feb2d6c0c",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/95a305ba259b685780ed62ea2295aa2feb2d6c0c"
            },
            {
                "url": "https://git.kernel.org/stable/c/8baeef7616d5194045c5a6b97fd1246b87c55b13",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/8baeef7616d5194045c5a6b97fd1246b87c55b13"
            }
        ]
    },
    "generator": {
        "engine": "bippy-9e1c9544281a"
    }
}