CVE Database›Document archive›CVE-2022-48881

CVE-2022-48881

kernel: platform/x86/amd: Fix refcount leak in amd_pmc_probe

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Severity

Important

Red Hat Product Security

7.1

CVSS 3.1

Review impact separately from score.

Published · August 21, 2024

Updated · November 21, 2025

Description

A vulnerability was found in the amd_pmc_probe() function in the Linux kernel's AMD PMC driver, where a reference count leak can occur because the function does not properly release the reference count obtained by pci_get_domain_bus_and_slot(). Over time, this could lead to memory exhaustion.

Statement

Red Hat Enterprise Linux is not impacted by this CVE, as this vulnerability does not affect the specific versions or configurations of the Linux kernel used in its distributions. This ensures that users of Red Hat Enterprise Linux are not exposed to the potential risks associated with this issue and no further action or mitigation is necessary for systems running this operating system.

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

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

CVSS / CWE

CVSS 3.1 · 7.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

CWE-401 · Missing Release of Memory after Effective Lifetime