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CVE-2021-47164

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CVE-2021-47164

Published: Mar 25, 2024

Modified: May 11, 2026

PUBLISHED

Description

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.

VendorProductVersions

Linux

Linux

affected
7e51891a237f9ea319f53f9beb83afb0077d88e6 - < 2e4b0b95a489259f9d35a3db17023061f8f3d587
affected
7e51891a237f9ea319f53f9beb83afb0077d88e6 - < bdfd3593a8248eea6ecfcbf7b47b56b86515672d
affected
7e51891a237f9ea319f53f9beb83afb0077d88e6 - < 83026d83186bc48bb41ee4872f339b83f31dfc55

Linux

Linux

affected
5.8
unaffected
0 - < 5.8
unaffected
5.10.42 - <= 5.10.*
unaffected
5.12.9 - <= 5.12.*
unaffected
5.13 - <= *

References

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