SB2024091363 - NULL pointer dereference in Linux kernel soc qcom driver

Description

This security bulletin contains information about 1 vulnerability.

1) NULL pointer dereference (CVE-ID: CVE-2024-46691)

CWE-ID: CWE-476 - NULL Pointer Dereference

CVSSv4: 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

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_notify(), pmic_glink_ucsi_callback() and pmic_glink_ucsi_probe() functions in drivers/usb/typec/ucsi/ucsi_glink.c, within the EXPORT_SYMBOL_GPL() function in drivers/soc/qcom/pmic_glink.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/095b0001aefddcd9361097c971b7debc84e72714
• https://git.kernel.org/stable/c/11bb2ffb679399f99041540cf662409905179e3a
• 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