{"id":"CVE-2024-53221","summary":"f2fs: fix null-ptr-deref in f2fs_submit_page_bio()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: fix null-ptr-deref in f2fs_submit_page_bio()\n\nThere's issue as follows when concurrently installing the f2fs.ko\nmodule and mounting the f2fs file system:\nKASAN: null-ptr-deref in range [0x0000000000000020-0x0000000000000027]\nRIP: 0010:__bio_alloc+0x2fb/0x6c0 [f2fs]\nCall Trace:\n \u003cTASK\u003e\n f2fs_submit_page_bio+0x126/0x8b0 [f2fs]\n __get_meta_page+0x1d4/0x920 [f2fs]\n get_checkpoint_version.constprop.0+0x2b/0x3c0 [f2fs]\n validate_checkpoint+0xac/0x290 [f2fs]\n f2fs_get_valid_checkpoint+0x207/0x950 [f2fs]\n f2fs_fill_super+0x1007/0x39b0 [f2fs]\n mount_bdev+0x183/0x250\n legacy_get_tree+0xf4/0x1e0\n vfs_get_tree+0x88/0x340\n do_new_mount+0x283/0x5e0\n path_mount+0x2b2/0x15b0\n __x64_sys_mount+0x1fe/0x270\n do_syscall_64+0x5f/0x170\n entry_SYSCALL_64_after_hwframe+0x76/0x7e\n\nAbove issue happens as the biset of the f2fs file system is not\ninitialized before register \"f2fs_fs_type\".\nTo address above issue just register \"f2fs_fs_type\" at the last in\ninit_f2fs_fs(). Ensure that all f2fs file system resources are\ninitialized.","modified":"2026-04-02T12:23:01.764888Z","published":"2024-12-27T13:50:06.309Z","related":["USN-7276-1","USN-7277-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/53xxx/CVE-2024-53221.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/32f5e291b7677495f98246eec573767430321c08"},{"type":"WEB","url":"https://git.kernel.org/stable/c/8dddc12d03248755d9f709bc1eb9e3ea2bf1b322"},{"type":"WEB","url":"https://git.kernel.org/stable/c/9e11b1d5fda972f6be60ab732976a7c8e064cd56"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b7d0a97b28083084ebdd8e5c6bccd12e6ec18faa"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/53xxx/CVE-2024-53221.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-53221"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"f543805fcd60f3f9a491cfa2f2dc9284d2569c28"},{"fixed":"8dddc12d03248755d9f709bc1eb9e3ea2bf1b322"},{"fixed":"32f5e291b7677495f98246eec573767430321c08"},{"fixed":"9e11b1d5fda972f6be60ab732976a7c8e064cd56"},{"fixed":"b7d0a97b28083084ebdd8e5c6bccd12e6ec18faa"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-53221.json"}}],"schema_version":"1.7.5"}