#VU93055 NULL pointer dereference in Linux kernel - CVE-2024-36002

Vulnerability identifier: #VU93055

Vulnerability risk: Low

CVSSv4.0: 4.3 [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]

CVE-ID: CVE-2024-36002

CWE-ID: CWE-476

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor: Linux Foundation

Description

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.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: All versions

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External links
https://git.kernel.org/stable/c/f3e1cf62d18220a3aa97e084e7a3552debece9fc
https://git.kernel.org/stable/c/38d7b94e81d068b8d8c8392f421cfd2c3bbfd1a6

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.