CVE-2022-48910

In the Linux kernel, the following vulnerability has been resolved: net: ipv6: ensure we call ipv6mcdown at most once There are two reasons for addrconfnotify to be called with NETDEVDOWN: either the network device is actually going down, or IPv6 was disabled on the interface. If either of them...

CVE-2022-48910

The CVE-2022-48910 case concerns the Linux kernel IPv6 addrconf path: when NETDEV_DOWN is triggered for reasons other than actual interface down, repeated calls can leak one ifmcaddr6 per multicast group by leaking idev->mc_tomb. The fix is to ensure ipv6_mc_down() runs at most once per state ...