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CVE-2026-43328

kernel: cpufreq: governor: fix double free in cpufreq_dbs_governor_init() error path

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Severity

Moderate

Red Hat Product Security

7

CVSS 3.1

Review impact separately from score.

Published · May 8, 2026

Updated · June 28, 2026

Description

A flaw was found in the Linux kernel's cpufreq governor. An error in the cpufreq_dbs_governor_init() function's cleanup path, specifically when kobject_init_and_add() fails, causes a double free of memory. This memory corruption vulnerability can be exploited by a local attacker, potentially leading to system instability or a denial of service (DoS).

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 · 7
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE-763 · Release of Invalid Pointer or Reference