SB2024091364 - NULL pointer dereference in Linux kernel power supply driver
Published: September 13, 2024 Updated: May 12, 2025
Breakdown by Severity
- 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.
References
- https://git.kernel.org/stable/c/1efdbf5323c9360e05066049b97414405e94e087
- https://git.kernel.org/stable/c/943b0e7cc646a624bb20a68080f8f1a4a55df41c
- https://git.kernel.org/stable/c/3568affcddd68743e25aa3ec1647d9b82797757b
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.49