CVE-2021-47555

Summary (supported by provided docs): In the Linux kernel, the VLAN real_dev refcnt underflow was fixed. The issue occurred when an error was injected before dev_hold(real_dev) in register_vlan_dev(), causing the real_dev refcount to underflow and triggering a warning and an endless wait-loop dur...

CVE-2021-47222 net: bridge: fix vlan tunnel dst refcnt when egressing

In the Linux kernel, the following vulnerability has been resolved: net: bridge: fix vlan tunnel dst refcnt when egressing The egress tunnel code uses dstclone and directly sets the result which is wrong because the entry might have 0 refcnt or be already deleted, causing number of problems. It...