#VU111514 NULL pointer dereference in Linux kernel - CVE-2022-49956

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Main Vulnerability Database Vulnerabilities #VU111514

#VU111514 NULL pointer dereference in Linux kernel - CVE-2022-49956

Published: June 19, 2025 / Updated: June 21, 2025


Vulnerability identifier: #VU111514
Vulnerability risk: Low
CVSSv4.0: 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-2022-49956
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Linux kernel
Software 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 r871x_internal_cmd_hdl() and cmd_hdl_filter() functions in drivers/staging/rtl8712/rtl8712_cmd.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's repository.

External links