In the Linux kernel, the following vulnerability has been resolved:<\/p>\n
net: sit: require CAP_NET_ADMIN in the device netns for changelink<\/p>\n
ipip6_changelink() operates on at most two netns, dev_net(dev) and the
\ntunnel link netns t->net. They differ once the device is created in or
\nmoved to a netns other than the one the request runs in. The rtnl
\nchangelink path checks CAP_NET_ADMIN only against dev_net(dev), so a
\ncaller privileged there but not in t->net can rewrite a tunnel that
\nlives in t->net.<\/p>\n
Gate ipip6_changelink() on rtnl_dev_link_net_capable() at its top,
\nbefore any attribute is parsed. sit was the one tunnel type not covered
\nby the recent series that added this check to the other changelink()
\nhandlers.<\/p>\n","protected":false},"excerpt":{"rendered":"
In the Linux kernel, the following vulnerability has been resolved:<\/p>\n
net: sit: require CAP_NET_ADMIN in the device netns for changelink<\/p>\n
ipip6_changelink() operates on at most two netns, dev_net(dev) <\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-6753","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/6753","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=6753"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6753"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6753"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}