CVE-2021-47164

high

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.

References

https://git.kernel.org/stable/c/bdfd3593a8248eea6ecfcbf7b47b56b86515672d

https://git.kernel.org/stable/c/83026d83186bc48bb41ee4872f339b83f31dfc55

https://git.kernel.org/stable/c/2e4b0b95a489259f9d35a3db17023061f8f3d587

Details

Source: Mitre, NVD

Published: 2024-03-25

Updated: 2024-03-25

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High