SB20240713122 - Input validation error in Linux kernel core lag driver
Published: July 13, 2024 Updated: May 13, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2024-40940)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the mlx5_lag_create_port_sel_table() function in drivers/net/ethernet/mellanox/mlx5/core/lag/port_sel.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/531eab2da27dd42d68dfb841d82e987f4a6738b8
- https://git.kernel.org/stable/c/d857df86837ac1c30592e8a068204d16feac9930
- https://git.kernel.org/stable/c/a03a3fa12769e25f4385bee587afe1445aee7f7a
- https://git.kernel.org/stable/c/229bedbf62b13af5aba6525ad10b62ad38d9ccb5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.95
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.35