CVE-2024-50009

kernel: cpufreq: amd-pstate: add check for cpufreq_cpu_get's return value

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · October 21, 2024

Updated · October 29, 2026

Description

A flaw was found in the Linux kernel's AMD P-State processor frequency driver. A local user could exploit this flaw to cause a Denial of Service (DoS) by crashing the system. This issue occurs because the driver fails to validate the return value of an internal CPU lookup function, leading to a null-pointer dereference.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-476 · NULL Pointer Dereference