NULL pointer dereference in Linux kernel - CVE-2023-3359

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Main Vulnerability Database Vulnerabilities #VU78785

NULL pointer dereference in Linux kernel - CVE-2023-3359

Published: July 31, 2023


Vulnerability identifier: #VU78785
CSH Severity: Low
CVSS v4: 6.8 [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]
CVE-ID: CVE-2023-3359
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due to a NULL pointer dereference error within the brcm_nvram_parse() function in drivers/nvmem/brcm_nvram.c. A local user can pass specially crafted data to the system and perform a denial of service (DoS) attack.


Affected software

Linux kernel
Amazon Linux AMI
kernel

How to mitigate CVE-2023-3359

Install updates from vendor's website.

kernel - update to 6.1.12-17.42

External References

Related Security Bulletins