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CVE-2021-27645

Status Candidate

Overview

The nameserver caching daemon (nscd) in the GNU C Library (aka glibc or libc6) 2.29 through 2.33, when processing a request for netgroup lookup, may crash due to a double-free, potentially resulting in degraded service or Denial of Service on the local system. This is related to netgroupcache.c.

Related Files

Red Hat Security Advisory 2022-0856-01
Posted Mar 15, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-0856-01 - Red Hat Advanced Cluster Management for Kubernetes 2.2.11 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 security fixes, bug fixes and container upgrades. Issues addressed include a bypass vulnerability.

tags | advisory, bypass
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-2020-0465, CVE-2020-0466, CVE-2020-12762, CVE-2020-13435, CVE-2020-14155, CVE-2020-16135, CVE-2020-24370, CVE-2020-25709, CVE-2020-25710, CVE-2021-0920, CVE-2021-20231, CVE-2021-20232, CVE-2021-22876, CVE-2021-22898, CVE-2021-22925, CVE-2021-23434, CVE-2021-25214, CVE-2021-27645, CVE-2021-28153
SHA-256 | 9d0db7328025daa790592d6c412ef4759f15b7dc4e7abefad1619ea7ee5f214b
Red Hat Security Advisory 2022-0842-01
Posted Mar 15, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-0842-01 - Red Hat OpenStack Platform 16.2 (Train) director Operator containers are available for technology preview. A security fix for golang was added.

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-2021-27645, CVE-2021-28153, CVE-2021-3200, CVE-2021-33560, CVE-2021-33574, CVE-2021-3426, CVE-2021-3445, CVE-2021-3521, CVE-2021-3572
SHA-256 | 80b74ed477449b078e64bfe4b351cf3ae8952086a5b337aeaac32eb932f1b39e
Ubuntu Security Notice USN-5310-1
Posted Mar 2, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5310-1 - Jan Engelhardt, Tavis Ormandy, and others discovered that the GNU C Library iconv feature incorrectly handled certain input sequences. An attacker could possibly use this issue to cause the GNU C Library to hang or crash, resulting in a denial of service. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. Jason Royes and Samuel Dytrych discovered that the GNU C Library incorrectly handled signed comparisons on ARMv7 targets. A remote attacker could use this issue to cause the GNU C Library to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS.

tags | advisory, remote, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2016-10228, CVE-2020-29562, CVE-2020-6096, CVE-2021-27645, CVE-2021-3326, CVE-2021-35942, CVE-2021-3998, CVE-2021-3999, CVE-2022-23219
SHA-256 | 0c11352a9e9620a9d78b56edf5a195481c3c772b41e829e66010783e0ca89f70
Red Hat Security Advisory 2022-0580-01
Posted Feb 18, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-0580-01 - Red Hat Openshift GitOps is a declarative way to implement continuous deployment for cloud native applications. Issues addressed include a traversal vulnerability.

tags | advisory
systems | linux, redhat
advisories | CVE-2016-4658, 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-2020-14145, CVE-2020-14155, CVE-2020-16135, CVE-2020-24370, CVE-2021-20231, CVE-2021-20232, CVE-2021-20271, CVE-2021-22876, CVE-2021-22898, CVE-2021-22925, CVE-2021-27645, CVE-2021-28153, CVE-2021-3200, CVE-2021-33560, CVE-2021-33574
SHA-256 | 14e508f8b5ba4605bd8db42f72278f20a3b7e049cd664a90973860fae75556f7
Red Hat Security Advisory 2022-0434-05
Posted Feb 4, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-0434-05 - This version of the OpenShift Serverless Operator is supported on Red Hat OpenShift Container Platform versions 4.6, 4.7, 4.8, and 4.9, and includes security and bug fixes and enhancements. For more information, see the documentation listed in the References section. Issues addressed include a memory exhaustion vulnerability.

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-2021-20266, CVE-2021-22876, CVE-2021-22898, CVE-2021-22925, CVE-2021-27645, CVE-2021-28153, CVE-2021-29923, CVE-2021-3200, CVE-2021-33560, CVE-2021-33574, CVE-2021-3445, CVE-2021-3580
SHA-256 | 14491b7281705745bd03aadc7664ab3c3eb0abe1d341718c8e9103905c3784c3
Red Hat Security Advisory 2022-0318-06
Posted Jan 28, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-0318-06 - An update is now available for Red Hat Openshift distributed tracing 2.1.

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-2021-20266, CVE-2021-22876, CVE-2021-22898, CVE-2021-22925, CVE-2021-27645, CVE-2021-28153, CVE-2021-29923, CVE-2021-3200, CVE-2021-33560, CVE-2021-33574, CVE-2021-3426, CVE-2021-3445
SHA-256 | 95488ca2caa7c12ad10f5f7f0dc4422f0de507352639644a064fa20f4e8371c8
Red Hat Security Advisory 2021-4902-06
Posted Dec 2, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-4902-06 - The release of RHACS 3.67 provides the following new features, bug fixes, security patches and system changes: OpenShift Dedicated support RHACS 3.67 is thoroughly tested and supported on OpenShift Dedicated on Amazon Web Services and Google Cloud Platform. 1. Use OpenShift OAuth server as an identity provider If you are using RHACS with OpenShift, you can now configure the built-in OpenShift OAuth server as an identity provider for RHACS. Issues addressed include denial of service, information leakage, memory exhaustion, remote shell upload, and traversal vulnerabilities.

tags | advisory, remote, web, denial of service, shell, vulnerability
systems | linux, redhat
advisories | CVE-2018-20673, 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-2020-27304, CVE-2021-20231, CVE-2021-20232, CVE-2021-20266, CVE-2021-22876, CVE-2021-22898, CVE-2021-22925, CVE-2021-23343, CVE-2021-23840, CVE-2021-23841, CVE-2021-27645, CVE-2021-28153
SHA-256 | 16dee4f5e0086cb542abff81a08f987124ff16a3f3637cd31b0568fd6f07ae13
Red Hat Security Advisory 2021-4845-05
Posted Nov 29, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-4845-05 - Red Hat OpenShift Container Storage is software-defined storage integrated with and optimized for the Red Hat OpenShift Container Platform. Red Hat OpenShift Container Storage is highly scalable, production-grade persistent storage for stateful applications running in the Red Hat OpenShift Container Platform. Issues addressed include a code execution vulnerability.

tags | advisory, code execution
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-2020-26301, CVE-2020-28493, CVE-2020-8037, CVE-2021-20095, CVE-2021-20231, CVE-2021-20232, CVE-2021-20266, CVE-2021-22876, CVE-2021-22898, CVE-2021-22925, CVE-2021-23840, CVE-2021-23841, CVE-2021-27645
SHA-256 | bd99ec51cad85f3c9c41b87c768abf6cf973e23f96461a729a58645e519e2a99
Red Hat Security Advisory 2021-4032-01
Posted Nov 17, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-4032-01 - Openshift Logging Bug Fix Release. Issues addressed include a code execution vulnerability.

tags | advisory, code execution
systems | linux, redhat
advisories | CVE-2018-20673, 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-2021-20266, CVE-2021-22876, CVE-2021-22898, CVE-2021-22925, CVE-2021-23369, CVE-2021-23383, CVE-2021-23840, CVE-2021-23841, CVE-2021-27645, CVE-2021-28153
SHA-256 | 14f971ee6ac97f93b8de4d06c668c3a26b4bb107cba2ed6ee7eacb091fa3dcc7
Red Hat Security Advisory 2021-4358-03
Posted Nov 10, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-4358-03 - The glibc packages provide the standard C libraries, POSIX thread libraries, standard math libraries, and the name service cache daemon used by multiple programs on the system. Without these libraries, the Linux system cannot function correctly. Issues addressed include a use-after-free vulnerability.

tags | advisory
systems | linux, redhat, osx
advisories | CVE-2021-27645, CVE-2021-33574, CVE-2021-35942
SHA-256 | 16dc38d5ed172ddc59367e5e6576ecbccd33c10e1ecf8067de90c8efc671ea91
Gentoo Linux Security Advisory 202107-07
Posted Jul 6, 2021
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 202107-7 - Multiple vulnerabilities in glibc could result in Denial of Service. Versions less than 2.33-r1 are affected.

tags | advisory, denial of service, vulnerability
systems | linux, gentoo
advisories | CVE-2019-25013, CVE-2020-27618, CVE-2021-27645, CVE-2021-3326, CVE-2021-33574
SHA-256 | 9d60657275624af14715f6075a0d46a7510a50f1fd520ca6d4eee786935259e1
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