CVE Database›Document archive›CVE-2021-47614

CVE-2021-47614

kernel: RDMA/irdma: Fix a user-after-free in add_pble_prm

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Severity

Moderate

Red Hat Product Security

7.8

CVSS 3.1

Review impact separately from score.

Published · June 19, 2024

Updated · August 5, 2026

Description

A vulnerability was found in the Linux kernel's RDMA/irdma driver. Improper memory management in the add_pble_prm function fails to manage memory correctly, resulting in a user-after-free condition that can lead to exploitation. This flaw allows an attacker to manipulate memory access potentially, resulting in data corruption or system crashes.

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 · 7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE-416 · Use After Free