CVE-2021-47313

cpufreq: CPPC: Fix potential memleak in cppc_cpufreq_cpu_init

State: Published
Severity: 8.4 High
Published: May 21, 2024
Updated: May 11, 2026
Reserved: May 21, 2024

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Description

In the Linux kernel, the following vulnerability has been resolved:

cpufreq: CPPC: Fix potential memleak in cppc_cpufreq_cpu_init

It's a classic example of memleak, we allocate something, we fail and never free the resources.

Make sure we free all resources on policy ->init() failures.

Scores

CVSS	Score	Vector	Source
3.1	8.4 High	CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	CISA-ADP

Weaknesses

CWE-400 Uncontrolled Resource Consumption

Affected Products

Product	Versions
LinuxLinux	a28b2bfc099c6b9caa6ef697660408e076a32019 to before b775383355755885b19d2acef977f1ca132e80a3Affected a28b2bfc099c6b9caa6ef697660408e076a32019 to before e1b2b2b61d30d7ce057ec17237c217d152ed97f2Affected a28b2bfc099c6b9caa6ef697660408e076a32019 to before fe2535a44904a77615a3af8e8fd7dafb98fb0e1bAffected
LinuxLinux	5.11Affected before 5.11Not affected 5.12.19 through 5.12.Not affected 5.13.4 through 5.13.Not affected 5.14 and laterNot affected

References

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