SB2024091364 - NULL pointer dereference in Linux kernel power supply driver



SB2024091364 - NULL pointer dereference in Linux kernel power supply driver

Published: September 13, 2024 Updated: May 12, 2025

Security Bulletin ID SB2024091364
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-2024-46693)

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

The vulnerability exists due to NULL pointer dereference within the pmic_glink_ucsi_probe() function in drivers/usb/typec/ucsi/ucsi_glink.c, within the pmic_glink_altmode_probe() function in drivers/soc/qcom/pmic_glink_altmode.c, within the _devm_pmic_glink_release_client() and devm_pmic_glink_register_client() functions in drivers/soc/qcom/pmic_glink.c, within the qcom_battmgr_probe() function in drivers/power/supply/qcom_battmgr.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.