cvelist/2024/46xxx/CVE-2024-46774.json

{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2024-46774",
        "ASSIGNER": "cve@kernel.org",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "In the Linux kernel, the following vulnerability has been resolved:\n\npowerpc/rtas: Prevent Spectre v1 gadget construction in sys_rtas()\n\nSmatch warns:\n\n  arch/powerpc/kernel/rtas.c:1932 __do_sys_rtas() warn: potential\n  spectre issue 'args.args' [r] (local cap)\n\nThe 'nargs' and 'nret' locals come directly from a user-supplied\nbuffer and are used as indexes into a small stack-based array and as\ninputs to copy_to_user() after they are subject to bounds checks.\n\nUse array_index_nospec() after the bounds checks to clamp these values\nfor speculative execution."
            }
        ]
    },
    "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": "1da177e4c3f4",
                                            "version_value": "68d815648094"
                                        },
                                        {
                                            "version_value": "not down converted",
                                            "x_cve_json_5_version_data": {
                                                "versions": [
                                                    {
                                                        "version": "6.10.10",
                                                        "lessThanOrEqual": "6.10.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "6.11",
                                                        "lessThanOrEqual": "*",
                                                        "status": "unaffected",
                                                        "versionType": "original_commit_for_fix"
                                                    }
                                                ],
                                                "defaultStatus": "affected"
                                            }
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://git.kernel.org/stable/c/68d8156480940b79227d58865ec5d2947b9384a8",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/68d8156480940b79227d58865ec5d2947b9384a8"
            },
            {
                "url": "https://git.kernel.org/stable/c/0974d03eb479384466d828d65637814bee6b26d7",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/0974d03eb479384466d828d65637814bee6b26d7"
            }
        ]
    },
    "generator": {
        "engine": "bippy-c9c4e1df01b2"
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}