{"id":21291,"date":"2026-09-12T04:30:59","date_gmt":"2026-09-11T20:30:59","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-80958"},"modified":"2026-09-12T04:30:59","modified_gmt":"2026-09-11T20:30:59","slug":"cve-2026-80958","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-80958","title":{"rendered":"CVE-2026-80958 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\ndm-pcache: clamp the"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>dm-pcache: clamp the tail kset read to the segment data region<\/p>\n<p>The tail-kset read in cache_replay(), the writeback worker and the GC<br \/>\nworker bounds its length by PCACHE_SEG_SIZE &#8211; seg_off, the raw segment<br \/>\nsize rather than the data region. A tail near the segment end reads past<br \/>\nthe segment data into the following control area.<\/p>\n<p>Clamp the read to cache_seg_remain(), the data region.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>dm-pcache: clamp the tail kset read to the segment data region<\/p>\n<p>The tail-kset read in cache_replay(), the writeback worker and the <\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-21291","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/21291","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=21291"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=21291"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=21291"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}