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CVE-2021-4154

Status Candidate

Overview

A use-after-free flaw was found in cgroup1_parse_param in kernel/cgroup/cgroup-v1.c in the Linux kernel's cgroup v1 parser. A local attacker with a user privilege could cause a privilege escalation by exploiting the fsconfig syscall parameter leading to a container breakout and a denial of service on the system.

Related Files

Red Hat Security Advisory 2022-1476-01
Posted Apr 21, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-1476-01 - Red Hat Advanced Cluster Management for Kubernetes 2.4.3 images Red Hat Advanced Cluster Management for Kubernetes provides the capabilities to address common challenges that administrators and site reliability engineers face as they work across a range of public and private cloud environments. Clusters and applications are all visible and managed from a single console—with security policy built in. This advisory contains the container images for Red Hat Advanced Cluster Management for Kubernetes, which provide some security fixes and bug fixes. Issues addressed include an information leakage vulnerability.

tags | advisory
systems | linux, redhat
advisories | CVE-2021-0920, CVE-2021-23177, CVE-2021-23566, CVE-2021-31566, CVE-2021-3999, CVE-2021-41190, CVE-2021-4154, CVE-2021-43565, CVE-2021-45960, CVE-2021-46143, CVE-2022-0144, CVE-2022-0155, CVE-2022-0235, CVE-2022-0261, CVE-2022-0318, CVE-2022-0330, CVE-2022-0359, CVE-2022-0361, CVE-2022-0392, CVE-2022-0413, CVE-2022-0435, CVE-2022-0492, CVE-2022-0516, CVE-2022-0536, CVE-2022-0778, CVE-2022-0811, CVE-2022-0847, CVE-2022-22822
SHA-256 | 518f87bfae6ff4f29f3572832aa384efe8f2162ebac11f7d53caab2d6df42933
Red Hat Security Advisory 2022-1083-01
Posted Mar 29, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-1083-01 - Red Hat Advanced Cluster Management for Kubernetes 2.3.8 images Red Hat Advanced Cluster Management for Kubernetes provides the capabilities to address common challenges that administrators and site reliability engineers face as they work across a range of public and private cloud environments. Clusters and applications are all visible and managed from a single console—with security policy built in. This advisory contains the container images for Red Hat Advanced Cluster Management for Kubernetes, which fix several bugs. Issues addressed include an information leakage vulnerability.

tags | advisory
systems | linux, redhat
advisories | CVE-2021-0920, CVE-2021-23177, CVE-2021-23566, CVE-2021-31566, CVE-2021-3999, CVE-2021-4154, CVE-2021-45960, CVE-2021-46143, CVE-2022-0144, CVE-2022-0155, CVE-2022-0235, CVE-2022-0261, CVE-2022-0318, CVE-2022-0330, CVE-2022-0359, CVE-2022-0361, CVE-2022-0392, CVE-2022-0413, CVE-2022-0435, CVE-2022-0492, CVE-2022-0516, CVE-2022-0536, CVE-2022-0847, CVE-2022-22822, CVE-2022-22823, CVE-2022-22824, CVE-2022-22825
SHA-256 | 9442197180deeb5f25977efd08ace4909b97f3f5729b4b0b9f276d27f078ba23
Red Hat Security Advisory 2022-0841-01
Posted Mar 14, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-0841-01 - The redhat-virtualization-host packages provide the Red Hat Virtualization Host. These packages include redhat-release-virtualization-host, ovirt-node, and rhev-hypervisor. Red Hat Virtualization Hosts are installed using a special build of Red Hat Enterprise Linux with only the packages required to host virtual machines. RHVH features a Cockpit user interface for monitoring the host's resources and performing administrative tasks. Issues addressed include denial of service, privilege escalation, and use-after-free vulnerabilities.

tags | advisory, denial of service, vulnerability
systems | linux, redhat
advisories | CVE-2021-0920, CVE-2021-4154, CVE-2022-0330, CVE-2022-0435, CVE-2022-0847, CVE-2022-22942, CVE-2022-24407
SHA-256 | d8e691511ec95c6712d5b2ac8c7111abb2e3b0ca1e1e4ad849509a36d93009f7
Red Hat Security Advisory 2022-0849-01
Posted Mar 14, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-0849-01 - This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel. Issues addressed include denial of service, privilege escalation, and use-after-free vulnerabilities.

tags | advisory, denial of service, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2021-0920, CVE-2021-4154, CVE-2022-0330, CVE-2022-0435, CVE-2022-0492, CVE-2022-22942
SHA-256 | 7d884788b05abd4a2b6a60bc812ed1a5f8309c33180d125e5ddcd7c5c0bcb9ea
Red Hat Security Advisory 2022-0825-01
Posted Mar 11, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-0825-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include denial of service, double free, memory leak, privilege escalation, and use-after-free vulnerabilities.

tags | advisory, denial of service, kernel, vulnerability, memory leak
systems | linux, redhat
advisories | CVE-2021-0920, CVE-2021-4154, CVE-2022-0330, CVE-2022-0435, CVE-2022-0492, CVE-2022-0516, CVE-2022-0847, CVE-2022-22942
SHA-256 | cd051e2031af30a587c15745a78e420087827cc43e9816ee9464a705769fe3fc
Red Hat Security Advisory 2022-0819-01
Posted Mar 11, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-0819-01 - The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Issues addressed include denial of service, privilege escalation, and use-after-free vulnerabilities.

tags | advisory, denial of service, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2021-0920, CVE-2021-4154, CVE-2022-0330, CVE-2022-0435, CVE-2022-0492, CVE-2022-0847, CVE-2022-22942
SHA-256 | 6c22f59ce55a46e592201df43c337f26bfb2fadec28c6e89b3f37a34c7213005
Red Hat Security Advisory 2022-0283-04
Posted Feb 3, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-0283-04 - Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments. This advisory contains the container images for Red Hat OpenShift Container Platform 4.7.42.

tags | advisory
systems | linux, redhat
advisories | CVE-2021-3121, CVE-2021-4154, CVE-2021-4155, CVE-2022-0185, CVE-2022-21248, CVE-2022-21277, CVE-2022-21282, CVE-2022-21283, CVE-2022-21291, CVE-2022-21293, CVE-2022-21294, CVE-2022-21296, CVE-2022-21299, CVE-2022-21305, CVE-2022-21340, CVE-2022-21341, CVE-2022-21360, CVE-2022-21365, CVE-2022-21366
SHA-256 | b534dd4b6617fbc93a6f5689f9254fa1f24dd599e91f50c3815185d89fde9713
Red Hat Security Advisory 2022-0231-03
Posted Jan 24, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-0231-03 - This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel. Issues addressed include heap overflow and privilege escalation vulnerabilities.

tags | advisory, overflow, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2021-4154, CVE-2021-4155, CVE-2022-0185
SHA-256 | 57770ee1c33dbd8dba6dacf04547cf9e17773b3c538fd57af340bf40ac1aa736
Red Hat Security Advisory 2022-0186-07
Posted Jan 20, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-0186-07 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include heap overflow and privilege escalation vulnerabilities.

tags | advisory, overflow, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2021-4154, CVE-2021-4155, CVE-2022-0185
SHA-256 | 255bbad280ff777117f481929995d0e8be22db96c27a7cbab200dab6e85e611d
Red Hat Security Advisory 2022-0187-04
Posted Jan 20, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-0187-04 - The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Issues addressed include heap overflow and privilege escalation vulnerabilities.

tags | advisory, overflow, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2021-4154, CVE-2021-4155, CVE-2022-0185
SHA-256 | 027360ba53dd866197d83e94c2fa0af7a9631774a89b45f9aad23660f6067bd1
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