Wind River Support Network


LIN1021-7868 : Security Advisory - linux - CVE-2021-47164

Created: Mar 25, 2024    Updated: May 23, 2024
Resolved Date: May 22, 2024
Found In Version:
Fix Version:
Severity: Standard
Applicable for: Wind River Linux LTS 21
Component/s: Kernel


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 (


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