In the Linux kernel, the following vulnerability has been resolved:<\/p>\n
llc: fix skb UAF and leaks on llc_mac_hdr_init() failure<\/p>\n
In llc_conn_ac_resend_i_xxx_x_set_0_or_send_rr(), if llc_mac_hdr_init()
\nfails, kfree_skb(skb) is called instead of kfree_skb(nskb). This leaks
\nthe newly allocated nskb, reads from the freed skb via LLC_I_GET_NR(pdu),
\nand double-frees skb when llc_conn_state_process() drops its reference.<\/p>\n
In llc_sap_action_send_xid_r() and llc_sap_action_send_test_r(), nskb is
\nleaked if llc_mac_hdr_init() returns an error.<\/p>\n
Free nskb in all three error paths.<\/p>\n","protected":false},"excerpt":{"rendered":"
In the Linux kernel, the following vulnerability has been resolved:<\/p>\n
llc: fix skb UAF and leaks on llc_mac_hdr_init() failure<\/p>\n
In llc_conn_ac_resend_i_xxx_x_set_0_or_send_rr(), if llc_mac_hdr_init()
\nf<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-41027","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/41027","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=41027"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=41027"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=41027"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}