7.8
CVSSv3

CVE-2021-4028

Published: 24/08/2022 Updated: 10/02/2023
CVSS v3 Base Score: 7.8 | Impact Score: 5.9 | Exploitability Score: 1.8
VMScore: 0

Vulnerability Summary

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.

Vulnerability Trend

Vulnerable Product Search on Vulmon Subscribe to Product

linux linux kernel

suse linux enterprise 15.0

Vendor Advisories

Synopsis Important: kernel security update Type/Severity Security Advisory: Important Red Hat Insights patch analysis Identify and remediate systems affected by this advisory View affected systems Topic An update for kernel is now available for Red Hat Enterprise Linux 74 Advanced Update SupportRed Hat Product Security has rated ...
Synopsis Important: kpatch-patch security update Type/Severity Security Advisory: Important Red Hat Insights patch analysis Identify and remediate systems affected by this advisory View affected systems Topic An update is now available for Red Hat Enterprise Linux 77 Update Services for SAP SolutionsRed Hat Product Security has r ...
Synopsis Important: kernel-rt security and bug fix update Type/Severity Security Advisory: Important Red Hat Insights patch analysis Identify and remediate systems affected by this advisory View affected systems Topic An update for kernel-rt is now available for Red Hat Enterprise Linux 7Red Hat Product Security has rated this upd ...
Synopsis Important: kernel security, bug fix, and enhancement update Type/Severity Security Advisory: Important Red Hat Insights patch analysis Identify and remediate systems affected by this advisory View affected systems Topic An update for kernel is now available for Red Hat Enterprise Linux 7Red Hat Product Security has rated ...
Synopsis Important: kernel security, bug fix, and enhancement update Type/Severity Security Advisory: Important Red Hat Insights patch analysis Identify and remediate systems affected by this advisory View affected systems Topic An update for kernel is now available for Red Hat Enterprise Linux 84 Extended Update SupportRed Hat P ...
Synopsis Important: kpatch-patch security update Type/Severity Security Advisory: Important Red Hat Insights patch analysis Identify and remediate systems affected by this advisory View affected systems Topic An update for kpatch-patch is now available for Red Hat Enterprise Linux 7Red Hat Product Security has rated this update as ...
Synopsis Important: kpatch-patch security update Type/Severity Security Advisory: Important Red Hat Insights patch analysis Identify and remediate systems affected by this advisory View affected systems Topic An update is now available for Red Hat Enterprise Linux 82 Extended Update SupportRed Hat Product Security has rated this ...
Synopsis Important: RHV-H security update (redhat-virtualization-host) 4322 Type/Severity Security Advisory: Important Red Hat Insights patch analysis Identify and remediate systems affected by this advisory View affected systems Topic An update for redhat-release-virtualization-host and redhat-virtualization-host is now availabl ...
Synopsis Moderate: Red Hat OpenShift Logging Security and Bug update Release 537 Type/Severity Security Advisory: Moderate Topic Openshift Logging Bug Fix Release (537)Red Hat Product Security has rated this update as having a security impact of Moderate A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed seve ...
Synopsis Moderate: Red Hat OpenShift Logging Security and Bug update Release 541 Type/Severity Security Advisory: Moderate Topic Logging Subsystem 541 - Red Hat OpenShiftRed Hat Product Security has rated this update as having a security impact of Moderate A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed se ...
Synopsis Important: kernel security and bug fix update Type/Severity Security Advisory: Important Red Hat Insights patch analysis Identify and remediate systems affected by this advisory View affected systems Topic An update for kernel is now available for Red Hat Enterprise Linux 77 Advanced Update Support, Red Hat Enterprise Lin ...
Synopsis Important: kernel security and bug fix update Type/Severity Security Advisory: Important Red Hat Insights patch analysis Identify and remediate systems affected by this advisory View affected systems Topic An update for kernel is now available for Red Hat Enterprise Linux 82 Extended Update SupportRed Hat Product Securit ...
Synopsis Moderate: Migration Toolkit for Containers (MTC) 171 security and bug fix update Type/Severity Security Advisory: Moderate Topic The Migration Toolkit for Containers (MTC) 171 is now availableRed Hat Product Security has rated this update as having a security impactof Moderate A Common Vulnerability Scoring System (CVSS) base s ...
Synopsis Moderate: Openshift Logging Security and Bug update Release (5210) Type/Severity Security Advisory: Moderate Topic Openshift Logging Bug Fix Release (5210)Red Hat Product Security has rated this update as having a security impact of Moderate A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity ...
Synopsis Important: kernel-rt security and bug fix update Type/Severity Security Advisory: Important Topic An update for kernel-rt is now available for Red Hat Enterprise Linux 8Red Hat Product Security has rated this update as having a security impact of Important A Common Vulnerability Scoring System (CVSS) base score, which gives a detai ...
Synopsis Moderate: Red Hat Advanced Cluster Management 244 security updates and bug fixes Type/Severity Security Advisory: Moderate Topic Red Hat Advanced Cluster Management for Kubernetes 244 GeneralAvailability release images This update provides security fixes, bug fixes, and updates container imagesRed Hat Product Security has rated ...
Synopsis Important: kernel security update Type/Severity Security Advisory: Important Red Hat Insights patch analysis Identify and remediate systems affected by this advisory View affected systems Topic An update for kernel is now available for Red Hat Enterprise Linux 73 Advanced Update SupportRed Hat Product Security has rated ...
Synopsis Important: kpatch-patch security update Type/Severity Security Advisory: Important Red Hat Insights patch analysis Identify and remediate systems affected by this advisory View affected systems Topic An update for kpatch-patch is now available for Red Hat Enterprise Linux 81 Update Services for SAP SolutionsRed Hat Produ ...
Synopsis Important: kpatch-patch security update Type/Severity Security Advisory: Important Red Hat Insights patch analysis Identify and remediate systems affected by this advisory View affected systems Topic An update for kpatch-patch is now available for Red Hat Enterprise Linux 7Red Hat Product Security has rated this update as ...
Synopsis Important: kernel security and bug fix update Type/Severity Security Advisory: Important Red Hat Insights patch analysis Identify and remediate systems affected by this advisory View affected systems Topic An update for kernel is now available for Red Hat Enterprise Linux 76 Advanced Update Support, Red Hat Enterprise Lin ...
Synopsis Moderate: Red Hat Advanced Cluster Management 2310 security updates and bug fixes Type/Severity Security Advisory: Moderate Topic Red Hat Advanced Cluster Management for Kubernetes 2310 GeneralAvailability release images, which provide security updates and bug fixesRed Hat Product Security has rated this update as having a secur ...
Synopsis Important: kernel-rt security and bug fix update Type/Severity Security Advisory: Important Red Hat Insights patch analysis Identify and remediate systems affected by this advisory View affected systems Topic An update for kernel-rt is now available for Red Hat Enterprise Linux 82 Extended Update SupportRed Hat Product S ...
Synopsis Important: kpatch-patch security update Type/Severity Security Advisory: Important Red Hat Insights patch analysis Identify and remediate systems affected by this advisory View affected systems Topic An update for kpatch-patch is now available for Red Hat Enterprise Linux 84 Extended Update SupportRed Hat Product Securit ...
Synopsis Important: kernel-rt security and bug fix update Type/Severity Security Advisory: Important Red Hat Insights patch analysis Identify and remediate systems affected by this advisory View affected systems Topic An update for kernel-rt is now available for Red Hat Enterprise Linux 84 Extended Update SupportRed Hat Product S ...
Synopsis Important: kpatch-patch-4_18_0-147_58_1 security and bug fix update Type/Severity Security Advisory: Important Red Hat Insights patch analysis Identify and remediate systems affected by this advisory View affected systems Topic An update for kpatch-patch-4_18_0-147_58_1 is now available for Red Hat Enterprise Linux 81 Upd ...
Synopsis Important: kernel security update Type/Severity Security Advisory: Important Red Hat Insights patch analysis Identify and remediate systems affected by this advisory View affected systems Topic An update for kernel is now available for Red Hat Enterprise Linux 81 Update Services for SAP SolutionsRed Hat Product Security ...
A security issue in the Linux kernel's implementation of RDMA communications manager listener code allowed an attacker with local access to setup 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 esc ...