{"id":13444,"date":"2026-09-04T19:00:44","date_gmt":"2026-09-04T11:00:44","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-53363"},"modified":"2026-09-04T19:00:44","modified_gmt":"2026-09-04T11:00:44","slug":"cve-2026-53363","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-53363","title":{"rendered":"CVE-2026-53363 [CRITICAL] &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nxfrm: iptfs: preserve"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>xfrm: iptfs: preserve shared-frag marker in iptfs_consume_frags()<\/p>\n<p>iptfs_consume_frags() transfers paged fragments from one socket buffer<br \/>\nto another but fails to propagate the SKBFL_SHARED_FRAG flag. This is<br \/>\nthe same class of bug that was fixed in skb_try_coalesce() for<br \/>\nCVE-2026-46300: when fragments backed by read-only page-cache pages are<br \/>\nmerged, the marker indicating their shared nature must be preserved so<br \/>\nthat ESP can decide correctly whether in-place encryption is safe.<\/p>\n<p>Apply the same two-line fix used in skb_try_coalesce() to<br \/>\niptfs_consume_frags().<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>xfrm: iptfs: preserve shared-frag marker in iptfs_consume_frags()<\/p>\n<p>iptfs_consume_frags() transfers paged fragments from one socket <\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-13444","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/13444","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=13444"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=13444"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=13444"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}