#VU102143 NULL pointer dereference in Linux kernel - CVE-2024-53230

Vulnerability identifier: #VU102143

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-2024-53230

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_cost() 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

---

External links
https://git.kernel.org/stable/c/1975b481f644f8f841d9c188e3c214fce187f18b
https://git.kernel.org/stable/c/1a1374bb8c5926674973d849feed500bc61ad535
https://git.kernel.org/stable/c/6be57617a38b3f33266acecdb3c063c1c079aaf7
https://git.kernel.org/stable/c/afd22d9839359829776abb55cc9bc4946e888704
https://git.kernel.org/stable/c/f05ef81db63889f6f14eb77fd140dac6cedb6f7f

---

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.