#VU94254 NULL pointer dereference in Linux kernel - CVE-2024-40919

Vulnerability identifier: #VU94254

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-2024-40919

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 __hwrm_send() function in drivers/net/ethernet/broadcom/bnxt/bnxt_hwrm.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/cde177fa235cd36f981012504a6376315bac03c9
https://git.kernel.org/stable/c/ca6660c956242623b4cfe9be2a1abc67907c44bf
https://git.kernel.org/stable/c/8b65eaeae88d4e9f999e806e196dd887b90bfed9
https://git.kernel.org/stable/c/a9b9741854a9fe9df948af49ca5514e0ed0429df

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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.