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Operating System: Linux

Ubuntu Security Notice USN-5085-1
Posted Sep 22, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5085-1 - It was discovered that SQL parse incorrectly handled certain regular expression. An attacker could possibly use this issue to cause a denial of service.

tags | advisory, denial of service
systems | linux, ubuntu
advisories | CVE-2021-32839
MD5 | cdd7570b2e91691826b3eb59b9ef014e
Red Hat Security Advisory 2021-3638-01
Posted Sep 22, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-3638-01 - Node.js is a software development platform for building fast and scalable network applications in the JavaScript programming language. Issues addressed include denial of service, information leakage, out of bounds read, path sanitization, and use-after-free vulnerabilities.

tags | advisory, denial of service, javascript, vulnerability
systems | linux, redhat
advisories | CVE-2021-22918, CVE-2021-22930, CVE-2021-22931, CVE-2021-22939, CVE-2021-22940, CVE-2021-23343, CVE-2021-23362, CVE-2021-27290, CVE-2021-32803, CVE-2021-32804, CVE-2021-3672
MD5 | dc2172f4d7fbeed30437d6079fd174cb
Ubuntu Security Notice USN-5086-1
Posted Sep 22, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5086-1 - Johan Almbladh discovered that the eBPF JIT implementation for IBM s390x systems in the Linux kernel miscompiled operations in some situations, allowing circumvention of the BPF verifier. A local attacker could use this to cause a denial of service or possibly execute arbitrary code.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
MD5 | ecf3347eeda58d898c2b153f742b6863
Ubuntu Security Notice USN-5073-3
Posted Sep 22, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5073-3 - Norbert Slusarek discovered that the CAN broadcast manger protocol implementation in the Linux kernel did not properly initialize memory in some situations. A local attacker could use this to expose sensitive information. Murray McAllister discovered that the joystick device interface in the Linux kernel did not properly validate data passed via an ioctl. A local attacker could use this to cause a denial of service or possibly execute arbitrary code on systems with a joystick device registered. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, kernel, local, protocol
systems | linux, ubuntu
advisories | CVE-2021-34693, CVE-2021-3612, CVE-2021-38160
MD5 | b06e0101b204e8bf810c841ded1e0f03
Red Hat Security Advisory 2021-3639-01
Posted Sep 22, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-3639-01 - Node.js is a software development platform for building fast and scalable network applications in the JavaScript programming language. Issues addressed include denial of service, information leakage, out of bounds read, path sanitization, and use-after-free vulnerabilities.

tags | advisory, denial of service, javascript, vulnerability
systems | linux, redhat
advisories | CVE-2021-22918, CVE-2021-22930, CVE-2021-22931, CVE-2021-22939, CVE-2021-22940, CVE-2021-23343, CVE-2021-23362, CVE-2021-27290, CVE-2021-32803, CVE-2021-32804, CVE-2021-3672
MD5 | 5a6e1556beb320c7b2cdb60339017ecf
Ubuntu Security Notice USN-5071-3
Posted Sep 22, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5071-3 - It was discovered that the KVM hypervisor implementation in the Linux kernel did not properly perform reference counting in some situations, leading to a use-after-free vulnerability. An attacker who could start and control a VM could possibly use this to expose sensitive information or execute arbitrary code. Murray McAllister discovered that the joystick device interface in the Linux kernel did not properly validate data passed via an ioctl. A local attacker could use this to cause a denial of service or possibly execute arbitrary code on systems with a joystick device registered. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2021-22543, CVE-2021-3612
MD5 | 7a105c299a0a482499d18e4fcd180d3b
Ubuntu Security Notice USN-5079-4
Posted Sep 21, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5079-4 - USN-5079-2 fixed vulnerabilities in curl. One of the fixes introduced a regression. This update fixes the problem. Patrick Monnerat discovered that curl incorrectly handled upgrades to TLS. When receiving certain responses from servers, curl would continue without TLS even when the option to require a successful upgrade to TLS was specified. Various other issues were also addressed.

tags | advisory, vulnerability
systems | linux, ubuntu
advisories | CVE-2021-22946, CVE-2021-22947
MD5 | 1f1499ce64825094c67e05b575440d0b
Red Hat Security Advisory 2021-3623-01
Posted Sep 21, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-3623-01 - Node.js is a software development platform for building fast and scalable network applications in the JavaScript programming language. Issues addressed include denial of service, path sanitization, and use-after-free vulnerabilities.

tags | advisory, denial of service, javascript, vulnerability
systems | linux, redhat
advisories | CVE-2021-22930, CVE-2021-22931, CVE-2021-22939, CVE-2021-22940, CVE-2021-23343, CVE-2021-32803, CVE-2021-32804, CVE-2021-3672
MD5 | aef2718168d0043471efaffb0a7aa8ba
Ubuntu Security Notice USN-5084-1
Posted Sep 21, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5084-1 - It was discovered that LibTIFF incorrectly handled certain malformed images. If a user or automated system were tricked into opening a specially crafted image, a remote attacker could crash the application, leading to a denial of service, or possibly execute arbitrary code with user privileges.

tags | advisory, remote, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2020-19143
MD5 | 874e9bb23ea0fca4f528b0d7be4db54f
Red Hat Security Advisory 2021-3572-01
Posted Sep 21, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-3572-01 - Network Security Services is a set of libraries designed to support the cross-platform development of security-enabled client and server applications. Netscape Portable Runtime provides platform independence for non-GUI operating system facilities. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service
systems | linux, redhat
advisories | CVE-2020-25648
MD5 | 54985960b3eb4e25f27c32cd68ccfbc5
Red Hat Security Advisory 2021-3598-01
Posted Sep 21, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-3598-01 - OpenShift Virtualization is Red Hat's virtualization solution designed for Red Hat OpenShift Container Platform.

tags | advisory
systems | linux, redhat
advisories | CVE-2021-22543, CVE-2021-22555, CVE-2021-27218, CVE-2021-33195, CVE-2021-33197, CVE-2021-33198, CVE-2021-34558, CVE-2021-3609, CVE-2021-37576, CVE-2021-38201, CVE-2021-38575
MD5 | 808e80d3a87efc6104e88e2d2359ade3
Red Hat Security Advisory 2021-3582-01
Posted Sep 21, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-3582-01 - The curl packages provide the libcurl library and the curl utility for downloading files from servers using various protocols, including HTTP, FTP, and LDAP.

tags | advisory, web, protocol
systems | linux, redhat
advisories | CVE-2021-22922, CVE-2021-22923, CVE-2021-22924
MD5 | 61703b5a679bba6648c69ab75f2e5eed
Ubuntu Security Notice USN-5079-3
Posted Sep 21, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5079-3 - USN-5079-1 fixed vulnerabilities in curl. One of the fixes introduced a regression on Ubuntu 18.04 LTS. This update fixes the problem. It was discovered that curl incorrect handled memory when sending data to an MQTT server. A remote attacker could use this issue to cause curl to crash, resulting in a denial of service, or possibly execute arbitrary code. Patrick Monnerat discovered that curl incorrectly handled upgrades to TLS. When receiving certain responses from servers, curl would continue without TLS even when the option to require a successful upgrade to TLS was specified. Patrick Monnerat discovered that curl incorrectly handled responses received before STARTTLS. A remote attacker could possibly use this issue to inject responses and intercept communications. Various other issues were also addressed.

tags | advisory, remote, denial of service, arbitrary, vulnerability
systems | linux, ubuntu
advisories | CVE-2021-22945, CVE-2021-22946, CVE-2021-22947
MD5 | d613fd1d8b4c7978549014ab03c1cdd7
Red Hat Security Advisory 2021-3590-01
Posted Sep 21, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-3590-01 - MySQL is a multi-user, multi-threaded SQL database server. It consists of the MySQL server daemon and many client programs and libraries. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service
systems | linux, redhat
advisories | CVE-2020-14672, CVE-2020-14765, CVE-2020-14769, CVE-2020-14773, CVE-2020-14775, CVE-2020-14776, CVE-2020-14777, CVE-2020-14785, CVE-2020-14786, CVE-2020-14789, CVE-2020-14790, CVE-2020-14791, CVE-2020-14793, CVE-2020-14794, CVE-2020-14800, CVE-2020-14804, CVE-2020-14809, CVE-2020-14812, CVE-2020-14814, CVE-2020-14821, CVE-2020-14828, CVE-2020-14829, CVE-2020-14830, CVE-2020-14836, CVE-2020-14837, CVE-2020-14838
MD5 | 36671b76085f87c1af15fea93ccc786c
Red Hat Security Advisory 2021-3585-01
Posted Sep 21, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-3585-01 - Go Toolset provides the Go programming language tools and libraries. Go is alternatively known as golang.

tags | advisory
systems | linux, redhat
advisories | CVE-2021-29923
MD5 | 8567e91c76aadbd3e47ce719d3180bf7
Red Hat Security Advisory 2021-3576-01
Posted Sep 21, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-3576-01 - Kerberos is a network authentication system, which can improve the security of your network by eliminating the insecure practice of sending passwords over the network in unencrypted form. It allows clients and servers to authenticate to each other with the help of a trusted third party, the Kerberos key distribution center. Issues addressed include denial of service and null pointer vulnerabilities.

tags | advisory, denial of service, vulnerability
systems | linux, redhat
advisories | CVE-2021-36222, CVE-2021-37750
MD5 | 64ce9fc318faac036a3b05501c035108
Red Hat Security Advisory 2021-3559-01
Posted Sep 20, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-3559-01 - Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks. Issues addressed include a code execution vulnerability.

tags | advisory, code execution, ruby
systems | linux, redhat
advisories | CVE-2020-36327, CVE-2021-31799, CVE-2021-31810, CVE-2021-32066
MD5 | f66355ca02d719f26e871be2646a5870
Ubuntu Security Notice USN-5073-2
Posted Sep 17, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5073-2 - Maxim Levitsky and Paolo Bonzini discovered that the KVM hypervisor implementation for AMD processors in the Linux kernel allowed a guest VM to disable restrictions on VMLOAD/VMSAVE in a nested guest. An attacker in a guest VM could use this to read or write portions of the host's physical memory. Maxim Levitsky discovered that the KVM hypervisor implementation for AMD processors in the Linux kernel did not properly prevent a guest VM from enabling AVIC in nested guest VMs. An attacker in a guest VM could use this to write to portions of the host's physical memory. Various other issues were also addressed.

tags | advisory, kernel
systems | linux, ubuntu
advisories | CVE-2021-34693, CVE-2021-3612, CVE-2021-3653, CVE-2021-3656, CVE-2021-38160
MD5 | c3297d493181bb59c2baaa6fb729067b
Red Hat Security Advisory 2021-3556-01
Posted Sep 17, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-3556-01 - Red Hat OpenShift Serverless 1.17.0 release of the OpenShift Serverless Operator. This version of the OpenShift Serverless Operator is supported on Red Hat OpenShift Container Platform versions 4.6, 4.7 and 4.8, and includes security and bug fixes and enhancements.

tags | advisory
systems | linux, redhat
advisories | CVE-2016-10228, CVE-2017-14502, CVE-2019-25013, CVE-2019-2708, CVE-2019-9169, CVE-2020-13434, CVE-2020-15358, CVE-2020-27618, CVE-2020-28196, CVE-2020-29361, CVE-2020-29362, CVE-2020-29363, CVE-2020-8231, CVE-2020-8284, CVE-2020-8285, CVE-2020-8286, CVE-2020-8927, CVE-2021-20271, CVE-2021-20305, CVE-2021-27218, CVE-2021-27918, CVE-2021-31525, CVE-2021-33195, CVE-2021-33196, CVE-2021-33197, CVE-2021-33198, CVE-2021-3326
MD5 | 969c710b954bad7d42237e2c7e01d431
Ubuntu Security Notice USN-5083-1
Posted Sep 17, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5083-1 - It was discovered that Python incorrectly handled certain RFCs. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 16.04 ESM. It was discovered that Python incorrectly handled certain server responses. An attacker could possibly use this issue to cause a denial of service.

tags | advisory, denial of service, python
systems | linux, ubuntu
advisories | CVE-2021-3733, CVE-2021-3737
MD5 | 233fdbc97ed81e36ee68a0797ee978f1
Ubuntu Security Notice USN-5081-1
Posted Sep 17, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5081-1 - It was discovered that Qt incorrectly handled certain XBM image files. If a user or automated system were tricked into opening a specially crafted PPM file, a remote attacker could cause Qt to crash, resulting in a denial of service. It was discovered that Qt incorrectly handled certain graphics operations. If a user or automated system were tricked into performing certain graphics operations, a remote attacker could cause Qt to crash, resulting in a denial of service. Various other issues were also addressed.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2020-17507, CVE-2021-38593
MD5 | 381dbcda1045691e3b44c5b7ccf396b0
Ubuntu Security Notice USN-5071-2
Posted Sep 17, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5071-2 - USN-5071-1 fixed vulnerabilities in the Linux kernel for Ubuntu 20.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement kernel from Ubuntu 20.04 LTS for Ubuntu 18.04 LTS. Maxim Levitsky and Paolo Bonzini discovered that the KVM hypervisor implementation for AMD processors in the Linux kernel allowed a guest VM to disable restrictions on VMLOAD/VMSAVE in a nested guest. An attacker in a guest VM could use this to read or write portions of the host's physical memory. Various other issues were also addressed.

tags | advisory, kernel, vulnerability
systems | linux, ubuntu
advisories | CVE-2020-36311, CVE-2021-22543, CVE-2021-3612, CVE-2021-3653, CVE-2021-3656
MD5 | cf12af9abbb4d82883beda62aa53329a
Ubuntu Security Notice USN-5082-1
Posted Sep 17, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5082-1 - Maxim Levitsky and Paolo Bonzini discovered that the KVM hypervisor implementation for AMD processors in the Linux kernel allowed a guest VM to disable restrictions on VMLOAD/VMSAVE in a nested guest. An attacker in a guest VM could use this to read or write portions of the host's physical memory. Maxim Levitsky discovered that the KVM hypervisor implementation for AMD processors in the Linux kernel did not properly prevent a guest VM from enabling AVIC in nested guest VMs. An attacker in a guest VM could use this to write to portions of the host's physical memory. Various other issues were also addressed.

tags | advisory, kernel
systems | linux, ubuntu
advisories | CVE-2021-3609, CVE-2021-3653, CVE-2021-3656
MD5 | 7d50225e29094ecb862c6223c5b6d1d2
Ubuntu Security Notice USN-5080-2
Posted Sep 17, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5080-2 - USN-5080-1 fixed several vulnerabilities in Libgcrypt. This update provides the corresponding update for Ubuntu 16.04 ESM. It was discovered that Libgcrypt incorrectly handled ElGamal encryption. An attacker could possibly use this issue to recover sensitive information.

tags | advisory, vulnerability
systems | linux, ubuntu
advisories | CVE-2021-33560
MD5 | 260071d69f58b4f7ae80a17219122f52
Red Hat Security Advisory 2021-3555-01
Posted Sep 16, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-3555-01 - Red Hat OpenShift Serverless Client kn 1.17.0 provides a CLI to interact with Red Hat OpenShift Serverless 1.17.0. The kn CLI is delivered as an RPM package for installation on RHEL platforms, and as binaries for non-Linux platforms.

tags | advisory
systems | linux, redhat
advisories | CVE-2021-27918, CVE-2021-31525, CVE-2021-33195, CVE-2021-33196, CVE-2021-33197, CVE-2021-33198, CVE-2021-34558, CVE-2021-3703
MD5 | f5f29feb08fa93e57c31e50fbe2cdfc6
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