In the Linux kernel, the following vulnerability has been resolved:<\/p>\n
vxlan: use pskb_network_may_pull() for transmit path header pulls<\/p>\n
In vxlan_xmit(), arp_reduce(), and vxlan_mdb_entry_skb_get(), pskb_may_pull() was
\nbeing called to verify the availability of network layer headers (ARP, IPv6\/ND,
\nIP\/IPv6 MDB keys).<\/p>\n
However, during transmit skb->data points to the MAC header, so skb_network_offset(skb)
\nis ETH_HLEN (14 bytes). Using pskb_may_pull(skb, len) only checks len bytes from skb->data
\nrather than skb_network_offset(skb) + len, which can leave part of the network header
\nin non-linear frags.<\/p>\n
Replace these remaining pskb_may_pull() calls with pskb_network_may_pull() to properly
\naccount for the MAC header offset.<\/p>\n","protected":false},"excerpt":{"rendered":"
In the Linux kernel, the following vulnerability has been resolved:<\/p>\n
vxlan: use pskb_network_may_pull() for transmit path header pulls<\/p>\n
In vxlan_xmit(), arp_reduce(), and vxlan_mdb_entry_skb_get(), ps<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-8742","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/8742","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=8742"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=8742"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=8742"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}