SB20240531518 - NULL pointer dereference in Linux kernel tty serial driver

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Main Vulnerability Database SB20240531518

SB20240531518 - NULL pointer dereference in Linux kernel tty serial driver

Published: May 31, 2024 Updated: May 14, 2025

Security Bulletin ID SB20240531518
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) NULL pointer dereference (CVE-ID: CVE-2021-47169)

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

The vulnerability exists due to NULL pointer dereference within the RP_ID(), rp2_remove_ports(), rp2_fw_cb(), rp2_probe() and rp2_remove() functions in drivers/tty/serial/rp2.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References