{"id":21290,"date":"2026-09-12T04:30:59","date_gmt":"2026-09-11T20:30:59","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-80957"},"modified":"2026-09-12T04:30:59","modified_gmt":"2026-09-11T20:30:59","slug":"cve-2026-80957","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-80957","title":{"rendered":"CVE-2026-80957 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\ndm-pcache: detect a c"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>dm-pcache: detect a cycle in the last-kset chain during replay<\/p>\n<p>cache_replay() follows the on-media last-kset chain by next_cache_seg_id<br \/>\nwith no cond_resched(). A forged chain that points back into a segment it<br \/>\nhas already visited makes the replay loop follow it forever.<\/p>\n<p>Cap the last-kset hops at cache-&gt;n_segs; a valid chain visits each segment<br \/>\nat most once.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>dm-pcache: detect a cycle in the last-kset chain during replay<\/p>\n<p>cache_replay() follows the on-media last-kset chain by next_cache_s<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-21290","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/21290","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=21290"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=21290"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=21290"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}