{"id":5351,"date":"2026-09-04T18:47:46","date_gmt":"2026-09-04T10:47:46","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-68144"},"modified":"2026-09-04T18:47:46","modified_gmt":"2026-09-04T10:47:46","slug":"cve-2026-68144","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-68144","title":{"rendered":"CVE-2026-68144 [CRITICAL] &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nphonet: pep: fix use-"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>phonet: pep: fix use-after-free in pep_get_sb()<\/p>\n<p>pep_get_sb() doesn&#8217;t consider that pskb_may_pull() might have relocated<br \/>\nthe skb data, and continue to access the older pointer, causing UAF.<\/p>\n<p>Reproduced under KASAN:<\/p>\n<p>  BUG: KASAN: slab-use-after-free in pep_get_sb+0x234\/0x3b0<br \/>\n  Read of size 1 at addr ff11000105510f50 by task repro\/157<br \/>\n   pep_get_sb+0x234\/0x3b0<br \/>\n   pipe_handler_do_rcv+0x5f7\/0xa10<br \/>\n   pep_do_rcv+0x203\/0x410<br \/>\n   __sk_receive_skb+0x471\/0x4a0<br \/>\n   phonet_rcv+0x5b3\/0x6c0<br \/>\n   __netif_receive_skb+0xcc\/0x1d0<\/p>\n<p>Refetch the header with skb_header_pointer() after pskb_may_pull(), so<br \/>\nthe possibly stale pointer is no longer dereferenced. There are better<br \/>\nways to solve this, but, this is the less instrusive one.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>phonet: pep: fix use-after-free in pep_get_sb()<\/p>\n<p>pep_get_sb() doesn&#8217;t consider that pskb_may_pull() might have relocated<br \/>\nthe skb da<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-5351","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/5351","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=5351"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5351"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5351"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}