{"id":21530,"date":"2026-09-12T04:31:18","date_gmt":"2026-09-11T20:31:18","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-89608"},"modified":"2026-09-12T04:31:18","modified_gmt":"2026-09-11T20:31:18","slug":"cve-2026-89608","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-89608","title":{"rendered":"CVE-2026-89608 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\necryptfs: pass packet"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>ecryptfs: pass packet set buffer size to parser<\/p>\n<p>ecryptfs_parse_packet_set() receives a pointer into the file header, but<br \/>\nit calculates the remaining packet buffer size from PAGE_SIZE &#8211; 8.  For<br \/>\nversion 1 headers the packet set starts later in the header, so this can<br \/>\noverstate the available buffer.<\/p>\n<p>Pass the actual packet set buffer length from the caller and calculate<br \/>\nper-packet limits from the remaining bytes in that buffer.  Recompute the<br \/>\nremaining length after consuming a tag 3 packet before parsing the<br \/>\nfollowing tag 11 packet.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>ecryptfs: pass packet set buffer size to parser<\/p>\n<p>ecryptfs_parse_packet_set() receives a pointer into the file header, but<br \/>\nit calcul<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-21530","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/21530","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=21530"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=21530"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=21530"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}