🛡️ UBUNTU-CVE-2021-4028
⚪ Unknown ✅ No Known Exploit OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

A flaw in the Linux kernel's implementation of RDMA communications manager listener code allowed an attacker with local access to setup a socket to listen on a high port allowing for a list element to be used after free. Given the ability to execute code, a local attacker could leverage this use-after-free to crash the system or possibly escalate privileges on the system.

Details

Severity Unknown
CVSS Score N/A
CVSS Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2022-08-24
Updated 2026-06-08
Modified 2025-10-24
Fix URL N/A

Affected Packages

Software From version Fixed in
linux-aws-5.0 — —
linux-aws-5.11 — 5.11.0-1023.24~20.04.1
linux-aws-5.3 — —
linux-aws-5.8 — —
linux-azure — —
linux-azure-5.11 — 5.11.0-1023.24~20.04.1
linux-azure-5.3 — —
linux-azure-5.8 — —
linux-azure-edge — —
linux-gcp — —
linux-gcp-5.11 — 5.11.0-1024.26~20.04.1
linux-gcp-5.3 — —
linux-gcp-5.8 — —
linux-gke-4.15 — —
linux-hwe — —
linux-hwe-5.11 — —
linux-hwe-5.13 — 5.13.0-23.23~20.04.2
linux-hwe-5.8 — —
linux-hwe-edge — —
linux-intel-5.13 — —
linux-oem — —
linux-oem-5.10 — 5.10.0-1051.53
linux-oem-5.13 — 5.13.0-1026.32
linux-oem-5.14 — 5.14.0-1007.7
linux-oem-5.6 — —
linux-oracle-5.0 — —
linux-oracle-5.11 — 5.11.0-1023.24~20.04.1
linux-oracle-5.3 — —
linux-oracle-5.8 — —
linux-raspi2 — —
linux-riscv — —
linux-riscv-5.11 — 5.11.0-1024.25~20.04.1
linux-riscv-5.8 — —

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