CVE-2021-20295

It was discovered that the update for the virt:rhel module in the RHSA-2020:4676 https://access.redhat.com/errata/RHSA-2020:4676 erratum released as part of Red Hat Enterprise Linux 8.3 failed to include the fix for the qemu-kvm component issue CVE-2020-10756, which was previously corrected in...

CVE-2021-20294

A flaw was found in binutils' readelf program. An attacker who is able to convince a victim using readelf to read a crafted file, could trigger a stack buffer overflow, out-of-bounds write of arbitrary data supplied by the attacker. The highest impact of this flaw is to confidentiality, integrity...

CVE-2021-3449

A flaw was found in openssl. A server crash and denial of service attack could occur if a client sends a TLSv1.2 renegotiation ClientHello and omits the signaturealgorithms extension but includes a signaturealgorithmscert extension. The highest threat from this vulnerability is to system...

RHEL 8 : thunderbird (RHSA-2021:0994)

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2021:0994 advisory. Mozilla Thunderbird is a standalone mail and newsgroup client. This update upgrades Thunderbird to version 78.9.0. Security Fixes: Mozilla:...

RHEL 8 : firefox (RHSA-2021:0991)

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2021:0991 advisory. Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. This update upgrades Firefox...

RHEL 8 : firefox (RHSA-2021:0990)

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2021:0990 advisory. Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. This update upgrades Firefox...

CVE-2021-3444

An out-of-bounds access flaw was found in the Linux kernel's implementation of the eBPF code verifier in the way a user running the eBPF script uses mod32 destination register truncation when the source register was known to be 0. This flaw allows a local user to crash the system or possibly...

Updates to Citrix VM Tools for Linux - For Citrix Hypervisor 8.2 CU 1

Who Should Read This Article? This information is for customers using Citrix Hypervisor 8.2 Cumulative Update 1 who have the Citrix VM Tools for Linux installed on their Linux VMs. The following table lists the latest version of the Citrix VM Tools for Linux for Citrix Hypervisor 8.2 Cumulative...

CVE-2019-9517

A vulnerability was found in HTTP/2. An attacker can open a HTTP/2 window so the peer can send without constraint. The TCP window remains closed so the peer cannot write the bytes on the wire. The attacker then sends a stream of requests for a large response object. Depending on how the server's...

CVE-2020-27170

A flaw was found in the Linux kernels eBPF verification code. By default accessing the eBPF verifier is only accessible to privileged users with CAPSYSADMIN. A local user with the ability to insert eBPF instructions can use the eBPF verifier to abuse a spectre like flaw where they can infer all...

RHEL 7 : openvswitch2.11 and ovn2.11 (RHSA-2021:0931)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:0931 advisory. Open vSwitch provides standard network bridging functions and support for the OpenFlow protocol for remote per-flow control of traffic. OVN,...

RHEL 7 : kpatch-patch (RHSA-2021:0940)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2021:0940 advisory. 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. Security Fixe...

RHEL 7 : rubygem-em-http-request (RHSA-2021:0937)

The remote Redhat Enterprise Linux 7 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2021:0937 advisory. EventMachine based, async HTTP Request client. Security Fixes: missing SSL hostname validation allows MITM CVE-2020-13482 For more details about the...

RHEL 7 : qemu-kvm-rhev (RHSA-2021:0934)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:0934 advisory. KVM Kernel-based Virtual Machine is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm-rhev packages provi...

RHEL 8 : bind (RHSA-2021:0922)

"The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2021:0922 advisory. The Berkeley Internet Name Domain BIND is an implementation of the Domain Name System DNS protocols. BIND includes a DNS server named C Tenable, Inc...

RHEL 7 : python (RHSA-2021:0881)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2021:0881 advisory. Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic dat...

RHEL 7 : kpatch-patch (RHSA-2021:0862)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:0862 advisory. 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...

Vulnerabilities fixed in Red Hat kernel

Vulnerabilities have been fixed in the kernel of Red Hat Enterprise Linux 7. The vulnerabilities allow a malicious person to perform attacks that result in the following categories of damage: Denial-of-Service DoS. Manipulation of data Circumvention of security measure Remote code execution User...

RHEL 7 : curl (RHSA-2021:0877)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2021:0877 advisory. The curl packages provide the libcurl library and the curl utility for downloading files from servers using various protocols, including HTTP, FTP, a...

RHEL 7 : perl (RHSA-2021:0883)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:0883 advisory. Perl is a high-level programming language that is commonly used for system administration utilities and web programming. Security Fixes: per...