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CVE-2021-45480

kernel: memory leak in the __rds_conn_create() in net/rds/connection.c

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · December 14, 2021

Updated · November 22, 2025

Description

A memory leak flaw was found in the Reliable Datagram Socket (RDS) in TCP in the Linux kernel. A local attacker, with user privileges, could cause a denial of service on the system. The issue results from the code cleanup in __rds_conn_create in net/rds/connection.c.

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 don't 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 · 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-401 · Missing Release of Memory after Effective Lifetime