{"id":"CVE-2026-72052","summary":"net: ip6_gre: require CAP_NET_ADMIN in the device netns for changelink","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: ip6_gre: require CAP_NET_ADMIN in the device netns for changelink\n\nip6gre_changelink() and ip6erspan_changelink() operate on at most two\nnetns, dev_net(dev) and the tunnel link netns t-\u003enet. They differ once\nthe device is created in or moved to a netns other than the one the\nrequest runs in. The rtnl changelink path checks CAP_NET_ADMIN only\nagainst dev_net(dev), so a caller privileged there but not in t-\u003enet can\nrewrite a tunnel that lives in t-\u003enet.\n\nGate both ops on rtnl_dev_link_net_capable() at their top, before any\nattribute is parsed.","modified":"2026-10-24T02:30:42.333645223Z","published":"2026-08-15T05:52:09.194Z","related":["ALSA-2026:75746","ALSA-2026:75747","ALSA-2026:76738","SUSE-SU-2026:23881-1","SUSE-SU-2026:23887-1","SUSE-SU-2026:23897-1","SUSE-SU-2026:23902-1","SUSE-SU-2026:24181-1","SUSE-SU-2026:24182-1","SUSE-SU-2026:4640-1","SUSE-SU-2026:4660-1","SUSE-SU-2026:4665-1","SUSE-SU-2026:4666-1","SUSE-SU-2026:4667-1","SUSE-SU-2026:4668-1","SUSE-SU-2026:4687-1","SUSE-SU-2026:4706-1","openSUSE-SU-2026:21910-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72052.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/03d8843b143ebbbfaf48511922abc6e886575a61"},{"type":"WEB","url":"https://git.kernel.org/stable/c/0caa9f348f8b5356900de77b0bb89a697c4aff20"},{"type":"WEB","url":"https://git.kernel.org/stable/c/129f8939e5af683cec3a1a5edcb40a64636ad81e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/1d4d8ee002083ca4ead5353662bf8362428af57f"},{"type":"WEB","url":"https://git.kernel.org/stable/c/220162c9fedbe992da70d70f50a10da4f45f914c"},{"type":"WEB","url":"https://git.kernel.org/stable/c/c38c8b0db3c65b597e7ece317b6cb59de3d15e69"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e3724dedf57761c6de52f4d604ec74f66fd61611"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f00a50876d2818bd6dc86fa98b3ef360884c53c8"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72052.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-72052"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"690afc165bb314354667f67157c1a1aea7dc797a"},{"fixed":"129f8939e5af683cec3a1a5edcb40a64636ad81e"},{"fixed":"e3724dedf57761c6de52f4d604ec74f66fd61611"},{"fixed":"220162c9fedbe992da70d70f50a10da4f45f914c"},{"fixed":"1d4d8ee002083ca4ead5353662bf8362428af57f"},{"fixed":"0caa9f348f8b5356900de77b0bb89a697c4aff20"},{"fixed":"03d8843b143ebbbfaf48511922abc6e886575a61"},{"fixed":"c38c8b0db3c65b597e7ece317b6cb59de3d15e69"},{"fixed":"f00a50876d2818bd6dc86fa98b3ef360884c53c8"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"4.19.100"},{"fixed":"4.20"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"5.4.16"},{"fixed":"5.5"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"d0201d2405dac8d9b16773e97709925e397552d0"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"7943bb0f06365cf5e32f3cf8a6b29eeae981fb8a"}]}],"versions":["v4.19.325","v4.19.324","v4.19.323","v4.19.322","v4.19.321","v4.19.320","v4.19.319","v4.19.318","v4.19.317","v4.19.316","v4.19.315","v4.19.314","v4.19.313","v4.19.312","v4.19.311","v4.19.310","v4.19.309","v4.19.308","v4.19.307","v4.19.306","v4.19.305","v4.19.304","v4.19.303","v4.19.302","v4.19.301","v4.19.300","v4.19.299","v4.19.298","v4.19.297","v4.19.296","v4.19.295","v4.19.294","v4.19.293","v4.19.292","v4.19.291","v4.19.290","v4.19.289","v4.19.288","v4.19.287","v4.19.286","v4.19.285","v4.19.284","v4.19.283","v4.19.282","v4.19.281","v4.19.280","v4.19.279","v4.19.278","v4.19.277","v4.19.276","v4.19.275","v4.19.274","v4.19.273","v4.19.272","v4.19.271","v4.19.270","v4.19.269","v4.19.268","v4.19.267","v4.19.266","v4.19.265","v4.19.264","v4.19.263","v4.19.262","v4.19.261","v4.19.260","v4.19.259","v4.19.258","v4.19.257","v4.19.256","v4.19.255","v4.19.254","v4.19.253","v4.19.252","v4.19.251","v4.19.250","v4.19.249","v4.19.248","v4.19.247","v4.19.246","v4.19.245","v4.19.244","v4.19.243","v4.19.242","v4.19.241","v4.19.240","v4.19.239","v4.19.238","v4.19.237","v4.19.236","v4.19.235","v4.19.234","v4.19.233","v4.19.232","v4.19.231","v4.19.230","v4.19.229","v4.19.228","v4.19.227","v4.19.226","v4.19.225","v4.19.224","v4.19.223","v4.19.222","v4.19.221","v4.19.220","v4.19.219","v4.19.218","v4.19.217","v4.19.216","v4.19.215","v4.19.214","v4.19.213","v4.19.212","v4.19.211","v4.19.210","v4.19.209","v4.19.208","v4.19.207","v4.19.206","v4.19.205","v4.19.204","v4.19.203","v4.19.202","v4.19.201","v4.19.200","v4.19.199","v4.19.198","v4.19.197","v4.19.196","v4.19.195","v4.19.194","v4.19.193","v4.19.192","v4.19.191","v4.19.190","v4.19.189","v4.19.188","v4.19.187","v4.19.186","v4.19.185","v4.19.184","v4.19.183","v4.19.182","v4.19.181","v4.19.180","v4.19.179","v4.19.178","v4.19.177","v4.19.176","v4.19.175","v4.19.174","v4.19.173","v4.19.172","v4.19.171","v4.19.170","v4.19.169","v4.19.168","v4.19.167","v4.19.166","v4.19.165","v4.19.164","v4.19.163","v4.19.162","v4.19.161","v4.19.160","v4.19.159","v4.19.158","v4.19.157","v4.19.156","v4.19.155","v4.19.154","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