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CVE-2021-47164

UNKNOWN
Published 2024-03-25T09:16:17.592Z
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No CVSS data available

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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Linux

Linux

Affected Versions:

7e51891a237f9ea319f53f9beb83afb0077d88e6 7e51891a237f9ea319f53f9beb83afb0077d88e6 7e51891a237f9ea319f53f9beb83afb0077d88e6
Linux

Linux

Affected Versions:

5.8 0 5.10.42 5.12.9 5.13

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed MODERATE

GHSA-vf6v-52pq-2h8v

Advisory Details

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.

CVSS Scoring

CVSS Score

5.0

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2021-47164
WEB https://git.kernel.org/stable/c/2e4b0b95a489259f9d35a3db17023061f8f3d587
WEB https://git.kernel.org/stable/c/83026d83186bc48bb41ee4872f339b83f31dfc55
WEB https://git.kernel.org/stable/c/bdfd3593a8248eea6ecfcbf7b47b56b86515672d

Advisory provided by GitHub Security Advisory Database. Published: March 25, 2024, Modified: May 23, 2024

References

https://git.kernel.org/stable/c/2e4b0b95a489259f9d35a3db17023061f8f3d587
https://git.kernel.org/stable/c/bdfd3593a8248eea6ecfcbf7b47b56b86515672d
https://git.kernel.org/stable/c/83026d83186bc48bb41ee4872f339b83f31dfc55
Published: 2024-03-25T09:16:17.592Z
Last Modified: 2025-05-04T07:05:23.324Z
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