{"id":41340,"date":"2026-10-19T00:33:19","date_gmt":"2026-10-18T16:33:19","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-98868"},"modified":"2026-10-19T00:33:19","modified_gmt":"2026-10-18T16:33:19","slug":"cve-2026-98868","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-98868","title":{"rendered":"CVE-2026-98868 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\ndm-pcache: reject a k"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>dm-pcache: reject a kset that overruns its segment<\/p>\n<p>cache_replay(), the writeback worker and the GC worker read a kset of<br \/>\nget_kset_onmedia_size() bytes and advance the position by it. A forged<br \/>\nkey_num makes that size exceed the segment&#8217;s remaining space, so the<br \/>\nadvance walks past the segment and trips the cache_pos_advance() BUG_ON.<\/p>\n<p>Reject a kset whose on-media size exceeds cache_seg_remain() before use.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>dm-pcache: reject a kset that overruns its segment<\/p>\n<p>cache_replay(), the writeback worker and the GC worker read a kset of<br \/>\nget_kset_<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-41340","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/41340","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=41340"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=41340"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=41340"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}