In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Fix null deref accessing lag dev It could be the lag dev is null so stop processing the event. In bond_enslave() the active/backup slave being set before setting the upper dev so first event is without an upper dev. After setting the upper dev with bond_master_upper_dev_link() there is a second event and in that event we have an upper dev. CREATE(Triage):(User=admin) CVE-2021-47164 (https://nvd.nist.gov/vuln/detail/CVE-2021-47164)
