{"id":21292,"date":"2026-09-12T04:30:59","date_gmt":"2026-09-11T20:30:59","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-80959"},"modified":"2026-09-12T04:30:59","modified_gmt":"2026-09-11T20:30:59","slug":"cve-2026-80959","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-80959","title":{"rendered":"CVE-2026-80959 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\ndm-pcache: bound the"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>dm-pcache: bound the persisted tail-position offset<\/p>\n<p>cache_pos_decode() takes the persisted key_tail and dirty_tail seg_off from<br \/>\nthe cache device and addresses within the segment with it. A seg_off at or<br \/>\npast the segment data_size, controllable by whoever supplies the device<br \/>\n(CAP_SYS_ADMIN), reads past the segment data.<\/p>\n<p>Reject a decoded seg_off that is not below the segment data_size.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>dm-pcache: bound the persisted tail-position offset<\/p>\n<p>cache_pos_decode() takes the persisted key_tail and dirty_tail seg_off from<br \/>\nth<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-21292","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/21292","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=21292"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=21292"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=21292"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}