{"id":33314,"date":"2026-10-06T20:31:44","date_gmt":"2026-10-06T12:31:44","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-98245"},"modified":"2026-10-06T20:31:44","modified_gmt":"2026-10-06T12:31:44","slug":"cve-2026-98245","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-98245","title":{"rendered":"CVE-2026-98245 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: take commit ro"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>btrfs: take commit root semaphore when iterating in mark_block_group_to_copy()<\/p>\n<p>mark_block_group_to_copy() iterates over the commit root with<br \/>\nskip_locking=true. A concurrent transaction commit can swap and free<br \/>\nthe commit root during iteration, causing use-after-free when<br \/>\naccessing extent buffers.<\/p>\n<p>Fix it by using path-&gt;need_commit_sem to protect the commit root search.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>btrfs: take commit root semaphore when iterating in mark_block_group_to_copy()<\/p>\n<p>mark_block_group_to_copy() iterates over the commit<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-33314","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/33314","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln"}],"about":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/types\/vuln"}],"wp:attachment":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=33314"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=33314"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=33314"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}