CVE-2024-38573

high

Description

In the Linux kernel, the following vulnerability has been resolved: cppc_cpufreq: Fix possible null pointer dereference cppc_cpufreq_get_rate() and hisi_cppc_cpufreq_get_rate() can be called from different places with various parameters. So cpufreq_cpu_get() can return null as 'policy' in some circumstances. Fix this bug by adding null return check. Found by Linux Verification Center (linuxtesting.org) with SVACE.

References

https://git.kernel.org/stable/c/f84b9b25d045e67a7eee5e73f21278c8ab06713c

https://git.kernel.org/stable/c/dfec15222529d22b15e5b0d63572a9e39570cab4

https://git.kernel.org/stable/c/cf7de25878a1f4508c69dc9f6819c21ba177dbfe

https://git.kernel.org/stable/c/b18daa4ec727c0266de5bfc78e818d168cc4aedf

https://git.kernel.org/stable/c/9a185cc5a79ba408e1c73375706630662304f618

https://git.kernel.org/stable/c/769c4f355b7962895205b86ad35617873feef9a5

Details

Source: Mitre, NVD

Published: 2024-06-19

Updated: 2024-07-03

Risk Information

CVSS v2

Base Score: 4.6

Vector: CVSS2#AV:L/AC:L/Au:S/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High