NULL pointer dereference in Linux kernel mlx5 core driver



| Updated: 2025-05-12
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2024-50146
CWE-ID CWE-476
Exploitation vector Local
Public exploit N/A
Vulnerable software
 Linux kernel
Operating systems & Components / Operating system

Vendor Linux Foundation

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) NULL pointer dereference

EUVDB-ID: #VU100071

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-50146

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to NULL pointer dereference within the _mlx5e_remove() function in drivers/net/ethernet/mellanox/mlx5/core/en_main.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: 6.1 - 6.11.5

CPE2.3 External links

https://git.kernel.org/stable/c/3955b77494c3c7d14873b1db67e7e00c46a714db
https://git.kernel.org/stable/c/4dbc1d1a9f39c3711ad2a40addca04d07d9ab5d0
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.123
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.6
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.80


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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