{"id":"CVE-2023-53301","summary":"f2fs: fix kernel crash due to null io-\u003ebio","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: fix kernel crash due to null io-\u003ebio\n\nWe should return when io-\u003ebio is null before doing anything. Otherwise, panic.\n\nBUG: kernel NULL pointer dereference, address: 0000000000000010\nRIP: 0010:__submit_merged_write_cond+0x164/0x240 [f2fs]\nCall Trace:\n \u003cTASK\u003e\n f2fs_submit_merged_write+0x1d/0x30 [f2fs]\n commit_checkpoint+0x110/0x1e0 [f2fs]\n f2fs_write_checkpoint+0x9f7/0xf00 [f2fs]\n ? __pfx_issue_checkpoint_thread+0x10/0x10 [f2fs]\n __checkpoint_and_complete_reqs+0x84/0x190 [f2fs]\n ? preempt_count_add+0x82/0xc0\n ? __pfx_issue_checkpoint_thread+0x10/0x10 [f2fs]\n issue_checkpoint_thread+0x4c/0xf0 [f2fs]\n ? __pfx_autoremove_wake_function+0x10/0x10\n kthread+0xff/0x130\n ? __pfx_kthread+0x10/0x10\n ret_from_fork+0x2c/0x50\n \u003c/TASK\u003e","modified":"2026-08-12T03:51:18.560543628Z","published":"2025-09-16T08:11:32.344Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53301.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/267c159f9c7bcb7009dae16889b880c5ed8759a8"},{"type":"WEB","url":"https://git.kernel.org/stable/c/83dbb9a1bd5ef2eea73275906fc50b2fdda39cd5"},{"type":"WEB","url":"https://git.kernel.org/stable/c/eb52f13c6093ac761dbeaa459c810fc0253209fc"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53301.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-53301"},{"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":"64bf0eef0171912f7c2f3ea30ee6ad7a2ad0a511"},{"fixed":"83dbb9a1bd5ef2eea73275906fc50b2fdda39cd5"},{"fixed":"eb52f13c6093ac761dbeaa459c810fc0253209fc"},{"fixed":"267c159f9c7bcb7009dae16889b880c5ed8759a8"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-53301.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.18.0"},{"fixed":"6.1.16"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.2.3"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-53301.json"}}],"schema_version":"1.9.0"}