{"id":29327,"date":"2026-09-26T00:32:26","date_gmt":"2026-09-25T16:32:26","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-100073"},"modified":"2026-09-26T00:32:26","modified_gmt":"2026-09-25T16:32:26","slug":"cve-2026-100073","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-100073","title":{"rendered":"CVE-2026-100073 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\next4: fix transaction"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>ext4: fix transaction overflow during writeback<\/p>\n<p>Commit 95ad8ee45cdb (&#8220;ext4: correct the reserved credits for extent<br \/>\nconversion&#8221;) was correct to note that we need to reserve enough credits<br \/>\nfor all extents possibly underlying a large folio. However it was too<br \/>\neager to reduce the number of reserved credits. Extent conversion may<br \/>\nnot only need to touch several leaf extent blocks, it may also need to<br \/>\nsplit extents &#8211; for example a single large unwritten extent may need to<br \/>\nbe split into many small written ones in case of sparse folio dirtying.<br \/>\nThis can thus result not only in extent leaf modifications but also in a<br \/>\nneed to allocate new extent tree nodes. As a result the reserved<br \/>\ntransaction credits were not sufficient in some corner cases. Use<br \/>\next4_meta_trans_blocks() for correct upper bound credit estimate.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>ext4: fix transaction overflow during writeback<\/p>\n<p>Commit 95ad8ee45cdb (&#8220;ext4: correct the reserved credits for extent<br \/>\nconversion&#8221;) w<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-29327","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/29327","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=29327"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=29327"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=29327"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}