Jann Horn discovered that the tty subsystem of the Linux kernel did not use consistent locking in some situations, leading to a read-after-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly expose sensitive information (kernel memory). De4dCr0w of 360 Alpha Lab discovered that the BPF verifier in the Linux kernel did not properly handle mod32 destination register truncation when the source register was known to be 0. A local attacker could use this to expose sensitive information (kernel memory) or possibly execute arbitrary code. Various other vulnerabilities were also addressed.
290911e1c3d235e6f7627baffb0541ecRed Hat Security Advisory 2021-4618-01 - Red Hat Advanced Cluster Management for Kubernetes 2.4.0 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 and security issues. Issues addressed include buffer overflow, denial of service, information leakage, integer overflow, out of bounds read, and path sanitization vulnerabilities.
622019ce8af50b9e6b49c8f96cfcb87dAbsoluteTelnet version 11.24 suffers from multiple denial of service vulnerabilities.
c4916606f4a527de1d97ff6c1c0f4553Red Hat Security Advisory 2021-4613-01 - Red Hat JBoss Core Services is a set of supplementary software for Red Hat JBoss middleware products. This software, such as Apache HTTP Server, is common to multiple JBoss middleware products, and is packaged under Red Hat JBoss Core Services to allow for faster distribution of updates, and for a more consistent update experience. This release adds the new Apache HTTP Server 2.4.37 Service Pack 10 packages that are part of the JBoss Core Services offering. This release serves as a replacement for Red Hat JBoss Core Services Apache HTTP Server 2.4.37 Service Pack 9 and includes bug fixes and enhancements. Issues addressed include buffer over-read, heap overflow, integer overflow, and null pointer vulnerabilities.
60b8783c0dce857d10c4d42badcdec44Red Hat Security Advisory 2021-4614-01 - This release adds the new Apache HTTP Server 2.4.37 Service Pack 10 packages that are part of the JBoss Core Services offering. This release serves as a replacement for Red Hat JBoss Core Services Apache HTTP Server 2.4.37 Service Pack 9 and includes bug fixes and enhancements. Issues addressed include buffer over-read, heap overflow, integer overflow, and null pointer vulnerabilities.
66fbc345a9902dd7e5c3c63775ec5f1aRed Hat Security Advisory 2021-4605-03 - Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. This update upgrades Firefox to version 91.3.0 ESR. Issues addressed include bypass, spoofing, and use-after-free vulnerabilities.
64fc963e74da0e8bb6c13efa56bfc3a7Red Hat Security Advisory 2021-4607-03 - Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. This update upgrades Firefox to version 91.3.0 ESR. Issues addressed include bypass, spoofing, and use-after-free vulnerabilities.
fbe336c1d9cfbf5234cce44e1368bfcfRed Hat Security Advisory 2021-4235-03 - JasPer is an implementation of Part 1 of the JPEG 2000 image compression standard. Issues addressed include buffer over-read, buffer overflow, null pointer, and out of bounds read vulnerabilities.
38a98f47aa02219b02c1bc9a98b2c6d2Red Hat Security Advisory 2021-4198-03 - EDK is a project to enable UEFI support for Virtual Machines. This package contains a sample 64-bit UEFI firmware for QEMU and KVM. Issues addressed include integer overflow and null pointer vulnerabilities.
2adbe11da939e5553a5ee34ad4f119beRed Hat Security Advisory 2021-4424-03 - OpenSSL is a toolkit that implements the Secure Sockets Layer and Transport Layer Security protocols, as well as a full-strength general-purpose cryptography library. Issues addressed include integer overflow and null pointer vulnerabilities.
f60b1e76b72b45c284ea433b673d7bf2Red Hat Security Advisory 2021-4173-03 - Exiv2 is a C++ library to access image metadata, supporting read and write access to the Exif, IPTC and XMP metadata, Exif MakerNote support, extract and delete methods for Exif thumbnails, classes to access Ifd, and support for various image formats. Issues addressed include buffer overflow, denial of service, information leakage, integer overflow, and out of bounds read vulnerabilities.
4aac36effd0f104e438c1bbdee4c08e6Red Hat Security Advisory 2021-4142-02 - The pcs packages provide a command-line configuration system for the Pacemaker and Corosync utilities. Issues addressed include code execution and cross site scripting vulnerabilities.
c16b0a284d0b0aa7f3ad83efa6ce6464Red Hat Security Advisory 2021-4241-03 - The libtiff packages contain a library of functions for manipulating Tagged Image File Format files. Issues addressed include buffer overflow and integer overflow vulnerabilities.
5bfb7370a2b63a236f83770d3cf46171Red Hat Security Advisory 2021-4382-02 - JSON-C implements a reference counting object model that allows users to easily construct JavaScript Object Notation objects in C, output them as JSON formatted strings, and parse JSON formatted strings back into the C representation of JSON objects. Issues addressed include integer overflow and out of bounds write vulnerabilities.
72291b28432041ece5a44066969bf351Red Hat Security Advisory 2021-4140-02 - The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Issues addressed include buffer overflow, bypass, denial of service, double free, heap overflow, information leakage, null pointer, out of bounds read, and use-after-free vulnerabilities.
079c6c1769544376cbb35c9f98bef974Red Hat Security Advisory 2021-4151-06 - Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems. Issues addressed include code execution, cross site scripting, denial of service, and traversal vulnerabilities.
bbdcbb8a6e7f541b1f1df6973fbaec39Red Hat Security Advisory 2021-4381-05 - GNOME is the default desktop environment of Red Hat Enterprise Linux. Issues addressed include buffer overflow, code execution, cross site scripting, information leakage, integer overflow, traversal, and use-after-free vulnerabilities.
49bf29744211debc57d852a60c82121fRed Hat Security Advisory 2021-4149-03 - The python-pillow packages contain a Python image processing library that provides extensive file format support, an efficient internal representation, and powerful image-processing capabilities. Issues addressed include buffer over-read, buffer overflow, denial of service, and out of bounds read vulnerabilities.
f9aa161b895ce30b107ea4f4e2b59cf8Red Hat Security Advisory 2021-4319-03 - Exiv2 is a C++ library to access image metadata, supporting read and write access to the Exif, IPTC and XMP metadata, Exif MakerNote support, extract and delete methods for Exif thumbnails, classes to access Ifd, and support for various image formats. Issues addressed include buffer overflow, denial of service, integer overflow, and out of bounds read vulnerabilities.
c79f386ba086631df82f476b138615e7Red Hat Security Advisory 2021-4517-03 - Vim is an updated and improved version of the vi editor. Issues addressed include buffer overflow and use-after-free vulnerabilities.
d69b24bd51a25fb3cecce29b4a6abad6Red Hat Security Advisory 2021-4191-03 - Kernel-based Virtual Machine offers a full virtualization solution for Linux on numerous hardware platforms. The virt:rhel module contains packages which provide user-space components used to run virtual machines using KVM. The packages also provide APIs for managing and interacting with the virtualized systems. Issues addressed include information leakage and use-after-free vulnerabilities.
0b99c9b361e6c7d3b98a960c6c6ae6feRed Hat Security Advisory 2021-4292-02 - Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects. Issues addressed include denial of service and integer overflow vulnerabilities.
17c5f6823890d502656a5f264bb66c6fRed Hat Security Advisory 2021-4160-03 - Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems. Issues addressed include cross site scripting, denial of service, and information leakage vulnerabilities.
48557f611f5f0e158c885a3630b6563cRed 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.
94db1bd19ab684d99ec2390cb36ad5e5Red Hat Security Advisory 2021-4251-04 - OpenJPEG is an open source library for reading and writing image files in JPEG2000 format. Issues addressed include buffer overflow, code execution, denial of service, double free, integer overflow, null pointer, out of bounds read, out of bounds write, and use-after-free vulnerabilities.
7a80ac7d3d66e51f184a31f8a3306097
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