CVE-2021-47614
kernel: RDMA/irdma: Fix a user-after-free in add_pble_prm
Severity
ModerateRed Hat Product Security
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 · 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-416 · Use After Free