SB20240621104 - NULL pointer dereference in Linux kernel dpll driver

Description

This security bulletin contains information about 1 vulnerability.

1) NULL pointer dereference (CVE-ID: CVE-2024-36002)

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 dpll_device_get_by_id(), dpll_pin_registration_find(), dpll_xa_ref_pin_add(), dpll_xa_ref_pin_del(), dpll_xa_ref_dpll_add(), dpll_xa_ref_dpll_del(), EXPORT_SYMBOL_GPL(), __dpll_pin_register(), dpll_pin_register(), dpll_pin_unregister(), dpll_pin_on_pin_register() and dpll_pin_on_pin_unregister() functions in drivers/dpll/dpll_core.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/f3e1cf62d18220a3aa97e084e7a3552debece9fc
• https://git.kernel.org/stable/c/38d7b94e81d068b8d8c8392f421cfd2c3bbfd1a6