#VU102134 NULL pointer dereference in Linux kernel - CVE-2024-53209

Vulnerability identifier: #VU102134

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-2024-53209

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 bnxt_set_rx_skb_mode() and bnxt_change_mtu() functions in drivers/net/ethernet/broadcom/bnxt/bnxt.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/3051a77a09dfe3022aa012071346937fdf059033
https://git.kernel.org/stable/c/84353386762a0a16dd444ead76c012e167d89b41
https://git.kernel.org/stable/c/bf54a7660fc8d2166f41ff1d67a643b15d8b2250

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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.