#VU102144 NULL pointer dereference in Linux kernel - CVE-2024-53231

Vulnerability identifier: #VU102144

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-2024-53231

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 cppc_get_cpu_power() function in drivers/cpufreq/cppc_cpufreq.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/65fe2f7fdafe2698a343661800434b3f2e51041e
https://git.kernel.org/stable/c/a357b63fd21e4b2791008c2175ba7a8c235ebce1
https://git.kernel.org/stable/c/a78e7207564258db6e373e86294a85f9d646d35a
https://git.kernel.org/stable/c/e07570a8f2cfc51260c6266cb8e1bd4777a610d6
https://git.kernel.org/stable/c/e9b39f1924b76abc18881e4ce899fb232dd23d12

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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.