CVE-2023-54055
kernel: Linux kernel: Memory leak in RDMA/irdma subsystem leads to Denial of Service
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · December 24, 2025
Updated · July 22, 2026
Description
A flaw was found in the Linux kernel's RDMA/irdma subsystem. When the irdma module is unloaded, certain memory objects (PBLEs) are not properly released, leading to a memory leak. A local attacker could repeatedly trigger this condition, causing system memory to be exhausted and resulting in 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 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-772 · Missing Release of Resource after Effective Lifetime