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CVE-2021-36084

Status Candidate

Overview

The CIL compiler in SELinux 3.2 has a use-after-free in __cil_verify_classperms (called from __cil_verify_classpermission and __cil_pre_verify_helper).

Related Files

Red Hat Security Advisory 2023-4053-01
Posted Jul 19, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-4053-01 - 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 4.11.45. Issues addressed include a code execution vulnerability.

tags | advisory, code execution
systems | linux, redhat
advisories | CVE-2019-17594, CVE-2019-17595, CVE-2019-18218, CVE-2019-20838, CVE-2020-14155, CVE-2020-24370, CVE-2020-35525, CVE-2020-35527, CVE-2021-20231, CVE-2021-20232, CVE-2021-23177, CVE-2021-31566, CVE-2021-3580, CVE-2021-36084
SHA-256 | 3bcde00c10f50e0c04e8bb156e955aa18c0b0fde3d60fb4c86dca74a55ed295e
Red Hat Security Advisory 2022-5840-01
Posted Aug 4, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-5840-01 - The Migration Toolkit for Containers enables you to migrate Kubernetes resources, persistent volume data, and internal container images between OpenShift Container Platform clusters, using the MTC web console or the Kubernetes API.

tags | advisory, web
systems | linux, redhat
advisories | CVE-2018-1000858, CVE-2018-25032, CVE-2019-13050, CVE-2019-17594, CVE-2019-17595, CVE-2019-18218, CVE-2019-20838, CVE-2020-14155, CVE-2020-28915, CVE-2020-29361, CVE-2020-29362, CVE-2020-29363, CVE-2021-36084, CVE-2021-36085
SHA-256 | 42e01a6d5bc88185e1a2422b06a068eb5eb39518221abce55975738768ed0e4a
Ubuntu Security Notice USN-5391-1
Posted Apr 27, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5391-1 - Nicolas Iooss discovered that libsepol incorrectly handled memory when handling policies. An attacker could possibly use this issue to cause a crash, resulting in a denial of service, or possibly execute arbitrary code. It was discovered that libsepol incorrectly handled memory when handling policies. An attacker could possibly use this issue to cause a crash, resulting in a denial of service, or possibly execute arbitrary code.

tags | advisory, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2021-36084, CVE-2021-36085, CVE-2021-36086, CVE-2021-36087
SHA-256 | 2b9f7839558bf9b6e3a4ce82cbaf448f90f226607ae4646b89d7394b329a6c7b
Red Hat Security Advisory 2022-1081-01
Posted Mar 28, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-1081-01 - Gatekeeper Operator v0.2 Gatekeeper is an open source project that applies the OPA Constraint Framework to enforce policies on your Kubernetes clusters. This advisory contains the container images for Gatekeeper that include security updates, and container upgrades. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link in the References section.

tags | advisory
systems | linux, redhat
advisories | CVE-2019-13750, CVE-2019-13751, CVE-2019-17594, CVE-2019-17595, CVE-2019-18218, CVE-2019-19603, CVE-2019-20838, CVE-2019-5827, CVE-2020-12762, CVE-2020-13435, CVE-2020-14155, CVE-2020-16135, CVE-2020-24370, CVE-2021-20231, CVE-2021-20232, CVE-2021-22876, CVE-2021-22898, CVE-2021-22925, CVE-2021-23177, CVE-2021-28153, CVE-2021-31566, CVE-2021-3200, CVE-2021-33560, CVE-2021-3445, CVE-2021-3521, CVE-2021-3580, CVE-2021-36084
SHA-256 | 35e0984360562b4b8fbf9fe40fae589355479f6f0de58360c9bbc860cb6a290e
Red Hat Security Advisory 2021-4513-03
Posted Nov 10, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-4513-03 - The libsepol library provides an API for the manipulation of SELinux binary policies. It is used by checkpolicy and similar tools, as well as by programs like load_policy that need to perform specific transformations on binary policies. Issues addressed include buffer overflow and use-after-free vulnerabilities.

tags | advisory, overflow, vulnerability
systems | linux, redhat
advisories | CVE-2021-36084, CVE-2021-36085, CVE-2021-36086, CVE-2021-36087
SHA-256 | 723c79f7c2e2f7ecfab3483a6c8e832cb7b8b79beef456fe34c35e2810324945
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