cvelist/2024/43xxx/CVE-2024-43859.json

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    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2024-43859",
        "ASSIGNER": "cve@kernel.org",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: fix to truncate preallocated blocks in f2fs_file_open()\n\nchenyuwen reports a f2fs bug as below:\n\nUnable to handle kernel NULL pointer dereference at virtual address 0000000000000011\n fscrypt_set_bio_crypt_ctx+0x78/0x1e8\n f2fs_grab_read_bio+0x78/0x208\n f2fs_submit_page_read+0x44/0x154\n f2fs_get_read_data_page+0x288/0x5f4\n f2fs_get_lock_data_page+0x60/0x190\n truncate_partial_data_page+0x108/0x4fc\n f2fs_do_truncate_blocks+0x344/0x5f0\n f2fs_truncate_blocks+0x6c/0x134\n f2fs_truncate+0xd8/0x200\n f2fs_iget+0x20c/0x5ac\n do_garbage_collect+0x5d0/0xf6c\n f2fs_gc+0x22c/0x6a4\n f2fs_disable_checkpoint+0xc8/0x310\n f2fs_fill_super+0x14bc/0x1764\n mount_bdev+0x1b4/0x21c\n f2fs_mount+0x20/0x30\n legacy_get_tree+0x50/0xbc\n vfs_get_tree+0x5c/0x1b0\n do_new_mount+0x298/0x4cc\n path_mount+0x33c/0x5fc\n __arm64_sys_mount+0xcc/0x15c\n invoke_syscall+0x60/0x150\n el0_svc_common+0xb8/0xf8\n do_el0_svc+0x28/0xa0\n el0_svc+0x24/0x84\n el0t_64_sync_handler+0x88/0xec\n\nIt is because inode.i_crypt_info is not initialized during below path:\n- mount\n - f2fs_fill_super\n  - f2fs_disable_checkpoint\n   - f2fs_gc\n    - f2fs_iget\n     - f2fs_truncate\n\nSo, let's relocate truncation of preallocated blocks to f2fs_file_open(),\nafter fscrypt_file_open()."
            }
        ]
    },
    "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": "d4dd19ec1ea0",
                                            "version_value": "5f04969136db"
                                        },
                                        {
                                            "version_value": "not down converted",
                                            "x_cve_json_5_version_data": {
                                                "versions": [
                                                    {
                                                        "version": "5.17",
                                                        "status": "affected"
                                                    },
                                                    {
                                                        "version": "0",
                                                        "lessThan": "5.17",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "6.1.109",
                                                        "lessThanOrEqual": "6.1.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "6.6.44",
                                                        "lessThanOrEqual": "6.6.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "6.10.3",
                                                        "lessThanOrEqual": "6.10.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "6.11",
                                                        "lessThanOrEqual": "*",
                                                        "status": "unaffected",
                                                        "versionType": "original_commit_for_fix"
                                                    }
                                                ],
                                                "defaultStatus": "affected"
                                            }
                                        }
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                                }
                            }
                        ]
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                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://git.kernel.org/stable/c/5f04969136db674f133781626e0b692c5f2bf2f0",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/5f04969136db674f133781626e0b692c5f2bf2f0"
            },
            {
                "url": "https://git.kernel.org/stable/c/f44a25a8bfe0c15d33244539696cd9119cf44d18",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/f44a25a8bfe0c15d33244539696cd9119cf44d18"
            },
            {
                "url": "https://git.kernel.org/stable/c/3ba0ae885215b325605ff7ebf6de12ac2adf204d",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/3ba0ae885215b325605ff7ebf6de12ac2adf204d"
            },
            {
                "url": "https://git.kernel.org/stable/c/298b1e4182d657c3e388adcc29477904e9600ed5",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/298b1e4182d657c3e388adcc29477904e9600ed5"
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