cvelist/2024/41xxx/CVE-2024-41083.json

{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2024-41083",
        "ASSIGNER": "cve@kernel.org",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfs: Fix netfs_page_mkwrite() to check folio->mapping is valid\n\nFix netfs_page_mkwrite() to check that folio->mapping is valid once it has\ntaken the folio lock (as filemap_page_mkwrite() does).  Without this,\ngeneric/247 occasionally oopses with something like the following:\n\n    BUG: kernel NULL pointer dereference, address: 0000000000000000\n    #PF: supervisor read access in kernel mode\n    #PF: error_code(0x0000) - not-present page\n\n    RIP: 0010:trace_event_raw_event_netfs_folio+0x61/0xc0\n    ...\n    Call Trace:\n     <TASK>\n     ? __die_body+0x1a/0x60\n     ? page_fault_oops+0x6e/0xa0\n     ? exc_page_fault+0xc2/0xe0\n     ? asm_exc_page_fault+0x22/0x30\n     ? trace_event_raw_event_netfs_folio+0x61/0xc0\n     trace_netfs_folio+0x39/0x40\n     netfs_page_mkwrite+0x14c/0x1d0\n     do_page_mkwrite+0x50/0x90\n     do_pte_missing+0x184/0x200\n     __handle_mm_fault+0x42d/0x500\n     handle_mm_fault+0x121/0x1f0\n     do_user_addr_fault+0x23e/0x3c0\n     exc_page_fault+0xc2/0xe0\n     asm_exc_page_fault+0x22/0x30\n\nThis is due to the invalidate_inode_pages2_range() issued at the end of the\nDIO write interfering with the mmap'd writes."
            }
        ]
    },
    "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": "102a7e2c598c",
                                            "version_value": "3473eb87afd4"
                                        },
                                        {
                                            "version_value": "not down converted",
                                            "x_cve_json_5_version_data": {
                                                "versions": [
                                                    {
                                                        "version": "6.8",
                                                        "status": "affected"
                                                    },
                                                    {
                                                        "version": "0",
                                                        "lessThan": "6.8",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "6.9.8",
                                                        "lessThanOrEqual": "6.9.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "6.10",
                                                        "lessThanOrEqual": "*",
                                                        "status": "unaffected",
                                                        "versionType": "original_commit_for_fix"
                                                    }
                                                ],
                                                "defaultStatus": "affected"
                                            }
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://git.kernel.org/stable/c/3473eb87afd402e415a8ca885b284ea0420dde25",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/3473eb87afd402e415a8ca885b284ea0420dde25"
            },
            {
                "url": "https://git.kernel.org/stable/c/a81c98bfa40c11f8ea79b5a9b3f5fda73bfbb4d2",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/a81c98bfa40c11f8ea79b5a9b3f5fda73bfbb4d2"
            }
        ]
    },
    "generator": {
        "engine": "bippy-9e1c9544281a"
    }
}