{"id":70234,"date":"2025-09-16T12:31:55","date_gmt":"2025-09-16T09:01:55","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2023-53301-f2fs-fix-kernel-crash-due-to-null-io-bio\/"},"modified":"2025-09-16T12:31:55","modified_gmt":"2025-09-16T09:01:55","slug":"cve-2023-53301-f2fs-fix-kernel-crash-due-to-null-io-bio","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2023-53301-f2fs-fix-kernel-crash-due-to-null-io-bio\/","title":{"rendered":"CVE-2023-53301 &#8211; f2fs: fix kernel crash due to null io-&gt;bio"},"content":{"rendered":"<p><strong>CVE ID : <\/strong>CVE-2023-53301<br \/>\n<br \/>\n<strong>Published : <\/strong> Sept. 16, 2025, 8:11 a.m. | 44\u00a0minutes ago<br \/>\n<br \/>\n<strong>Description : <\/strong>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>f2fs: fix kernel crash due to null io-&gt;bio<\/p>\n<p>We should return when io-&gt;bio is null before doing anything. Otherwise, panic.<\/p>\n<p>BUG: kernel NULL pointer dereference, address: 0000000000000010<br \/>\nRIP: 0010:__submit_merged_write_cond+0x164\/0x240 [f2fs]\nCall Trace:<\/p>\n<p> 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<br \/>\n ? __pfx_issue_checkpoint_thread+0x10\/0x10 [f2fs]\n issue_checkpoint_thread+0x4c\/0xf0 [f2fs]\n ? __pfx_autoremove_wake_function+0x10\/0x10<br \/>\n kthread+0xff\/0x130<br \/>\n ? __pfx_kthread+0x10\/0x10<br \/>\n ret_from_fork+0x2c\/0x50<\/p>\n<p>\n<strong>Severity:<\/strong> 0.0 | NA<br \/>\n<br \/>\nVisit the link for more details, such as CVSS details, affected products, timeline, and more&#8230;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>CVE ID : CVE-2023-53301 Published : Sept. 16, 2025, 8:11 a.m. | 44\u00a0minutes ago Description : In the Linux kernel, the following vulnerability has been resolved: f2fs: fix kernel crash due to null io-&gt;bio We should return when io-&gt;bio is null before doing anything. Otherwise, panic. BUG: kernel NULL pointer dereference, address: 0000000000000010 RIP: 0010:__submit_merged_write_cond+0x164\/0x240 &hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"class_list":["post-70234","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/70234","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/comments?post=70234"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/70234\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=70234"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=70234"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=70234"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}