{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2024-42297",
        "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 don't dirty inode for readonly filesystem\n\nsyzbot reports f2fs bug as below:\n\nkernel BUG at fs/f2fs/inode.c:933!\nRIP: 0010:f2fs_evict_inode+0x1576/0x1590 fs/f2fs/inode.c:933\nCall Trace:\n evict+0x2a4/0x620 fs/inode.c:664\n dispose_list fs/inode.c:697 [inline]\n evict_inodes+0x5f8/0x690 fs/inode.c:747\n generic_shutdown_super+0x9d/0x2c0 fs/super.c:675\n kill_block_super+0x44/0x90 fs/super.c:1667\n kill_f2fs_super+0x303/0x3b0 fs/f2fs/super.c:4894\n deactivate_locked_super+0xc1/0x130 fs/super.c:484\n cleanup_mnt+0x426/0x4c0 fs/namespace.c:1256\n task_work_run+0x24a/0x300 kernel/task_work.c:180\n ptrace_notify+0x2cd/0x380 kernel/signal.c:2399\n ptrace_report_syscall include/linux/ptrace.h:411 [inline]\n ptrace_report_syscall_exit include/linux/ptrace.h:473 [inline]\n syscall_exit_work kernel/entry/common.c:251 [inline]\n syscall_exit_to_user_mode_prepare kernel/entry/common.c:278 [inline]\n __syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline]\n syscall_exit_to_user_mode+0x15c/0x280 kernel/entry/common.c:296\n do_syscall_64+0x50/0x110 arch/x86/entry/common.c:88\n entry_SYSCALL_64_after_hwframe+0x63/0x6b\n\nThe root cause is:\n- do_sys_open\n - f2fs_lookup\n  - __f2fs_find_entry\n   - f2fs_i_depth_write\n    - f2fs_mark_inode_dirty_sync\n     - f2fs_dirty_inode\n      - set_inode_flag(inode, FI_DIRTY_INODE)\n\n- umount\n - kill_f2fs_super\n  - kill_block_super\n   - generic_shutdown_super\n    - sync_filesystem\n    : sb is readonly, skip sync_filesystem()\n    - evict_inodes\n     - iput\n      - f2fs_evict_inode\n       - f2fs_bug_on(sbi, is_inode_flag_set(inode, FI_DIRTY_INODE))\n       : trigger kernel panic\n\nWhen we try to repair i_current_depth in readonly filesystem, let's\nskip dirty inode to avoid panic in later f2fs_evict_inode()."
            }
        ]
    },
    "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": "2d2916516577"
                                        },
                                        {
                                            "version_value": "not down converted",
                                            "x_cve_json_5_version_data": {
                                                "versions": [
                                                    {
                                                        "version": "4.19.320",
                                                        "lessThanOrEqual": "4.19.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "5.4.282",
                                                        "lessThanOrEqual": "5.4.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "5.10.224",
                                                        "lessThanOrEqual": "5.10.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "5.15.165",
                                                        "lessThanOrEqual": "5.15.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "6.1.103",
                                                        "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"
                                                    }
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                                                "defaultStatus": "affected"
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    "references": {
        "reference_data": [
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                "url": "https://git.kernel.org/stable/c/2d2916516577f2239b3377d9e8d12da5e6ccdfcf",
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                "name": "https://git.kernel.org/stable/c/e62ff092a42f4a1bae3b310cf46673b4f3aac3b5"
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                "name": "https://git.kernel.org/stable/c/2434344559f6743efb3ac15d11af9a0db9543bd3"
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                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/192b8fb8d1c8ca3c87366ebbef599fa80bb626b8"
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