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Vulnerability Change Records for CVE-2026-72136

Change History

New CVE Received from kernel.org 8/15/2026 2:21:31 AM

Action Type Old Value New Value
Added Description

                  
                
              
In the Linux kernel, the following vulnerability has been resolved:

xfrm: xfrm_interface: require CAP_NET_ADMIN in the device netns for changelink

xfrmi_changelink() operates on at most two netns, dev_net(dev) and the
interface link netns xi->net. They differ once the device is created in
or moved to a netns other than the one the request runs in. The rtnl
changelink path checks CAP_NET_ADMIN only against dev_net(dev), so a
caller privileged there but not in xi->net can rewrite an interface that
lives in xi->net.

Gate xfrmi_changelink() on rtnl_dev_link_net_capable() at its top,
before any attribute is parsed.
Added Reference

                  
                
              
https://git.kernel.org/stable/c/04c1aa57d08471b1953bf27c84ac9b3d78d71831
Added Reference

                  
                
              
https://git.kernel.org/stable/c/095515d89b19b6cc19dfcdc846f97403ed1ebce3
Added Reference

                  
                
              
https://git.kernel.org/stable/c/37b61946d278c7deb0d40ba8f2b6fc0478d61dab
Added Reference

                  
                
              
https://git.kernel.org/stable/c/3ba2b2ef7d6a63b190f15cfc2b4ba0fba59928ea
Added Reference

                  
                
              
https://git.kernel.org/stable/c/80ec68bba11f7f387c0e4099c2d7b2c84943eb99
Added Reference

                  
                
              
https://git.kernel.org/stable/c/8ca2a19a987a7d1cb4c916ed9723a1c6993b4276
Added Reference

                  
                
              
https://git.kernel.org/stable/c/bdfd1c21d90e628a58a9de79e024cdfcbedfa15c
Added Reference

                  
                
              
https://git.kernel.org/stable/c/e9c90756f10da334fb31552e52c61f1dba69f491
Added Affected

                  
                
              
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