#VU102118 NULL pointer dereference in Linux kernel - CVE-2024-56660

Vulnerability identifier: #VU102118

Vulnerability 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-2024-56660

CWE-ID: CWE-476

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor: Linux Foundation

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 dr_domain_add_vport_cap() function in drivers/net/ethernet/mellanox/mlx5/core/steering/sws/dr_domain.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: All versions

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External links
https://git.kernel.org/stable/c/11776cff0b563c8b8a4fa76cab620bfb633a8cb8
https://git.kernel.org/stable/c/325cf73a1b449fea3158ab99d03a7a717aad1618
https://git.kernel.org/stable/c/61f720e801443d4e2a3c0261eda4ad8431458dca
https://git.kernel.org/stable/c/a59c61a1869ceefc65ef02886f91e8cd0062211f

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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.