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Advisory Files

Ubuntu Security Notice USN-5091-2
Posted Oct 1, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5091-2 - Ofek Kirzner, Adam Morrison, Benedict Schlueter, and Piotr Krysiuk discovered that the BPF verifier in the Linux kernel missed possible mispredicted branches due to type confusion, allowing a side-channel attack. An attacker could use this to expose sensitive information. It was discovered that the tracing subsystem in the Linux kernel did not properly keep track of per-cpu ring buffer state. A privileged attacker could use this to cause a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, kernel
systems | linux, ubuntu
advisories | CVE-2021-33624, CVE-2021-3679, CVE-2021-38160, CVE-2021-38199, CVE-2021-38204
MD5 | 978ed476cd4579776e19d841b31a27c7
Red Hat Security Advisory 2021-3703-01
Posted Oct 1, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-3703-01 - The Advanced Virtualization module provides the user-space component for running virtual machines that use KVM in environments managed by Red Hat products. Issues addressed include buffer overflow, integer overflow, null pointer, out of bounds access, and out of bounds read vulnerabilities.

tags | advisory, overflow, vulnerability
systems | linux, redhat
advisories | CVE-2021-33285, CVE-2021-33286, CVE-2021-33287, CVE-2021-33289, CVE-2021-3416, CVE-2021-35266, CVE-2021-35267, CVE-2021-35268, CVE-2021-35269, CVE-2021-3631, CVE-2021-3667, CVE-2021-3682, CVE-2021-39251, CVE-2021-39252, CVE-2021-39253, CVE-2021-39254, CVE-2021-39255, CVE-2021-39256, CVE-2021-39257, CVE-2021-39258, CVE-2021-39259, CVE-2021-39260, CVE-2021-39261, CVE-2021-39262, CVE-2021-39263
MD5 | 51b7537a209388df88104dcde1dd754e
Ubuntu Security Notice USN-5096-1
Posted Sep 30, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5096-1 - Valentina Palmiotti discovered that the io_uring subsystem in the Linux kernel could be coerced to free adjacent memory. A local attacker could use this to execute arbitrary code. Benedict Schlueter discovered that the BPF subsystem in the Linux kernel did not properly protect against Speculative Store Bypass side- channel attacks in some situations. A local attacker could possibly use this to expose sensitive information. Various other issues were also addressed.

tags | advisory, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2021-34556, CVE-2021-35477, CVE-2021-3612, CVE-2021-3679, CVE-2021-37159, CVE-2021-3732, CVE-2021-38160, CVE-2021-38166, CVE-2021-38199, CVE-2021-38201, CVE-2021-38202, CVE-2021-38203, CVE-2021-38204, CVE-2021-38205, CVE-2021-40490, CVE-2021-41073
MD5 | d6f5c60f6c727f6d6b7b74743170676c
Red Hat Security Advisory 2021-3700-01
Posted Sep 30, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-3700-01 - AMQ Broker is a high-performance messaging implementation based on ActiveMQ Artemis. It uses an asynchronous journal for fast message persistence, and supports multiple languages, protocols, and platforms. This release of Red Hat AMQ Broker 7.9.0 serves as a replacement for Red Hat AMQ Broker 7.8.2, and includes security and bug fixes, and enhancements. For further information, refer to the release notes linked to in the References section. Issues addressed include bypass, denial of service, information leakage, resource exhaustion, and traversal vulnerabilities.

tags | advisory, denial of service, vulnerability, protocol
systems | linux, redhat
advisories | CVE-2020-13956, CVE-2020-27223, CVE-2021-20289, CVE-2021-21290, CVE-2021-21295, CVE-2021-21409, CVE-2021-28163, CVE-2021-28164, CVE-2021-28165, CVE-2021-28169, CVE-2021-29425, CVE-2021-3425, CVE-2021-34428, CVE-2021-34429, CVE-2021-3763
MD5 | 1af9c0c3e193e8ece7d9750aa2c64703
Ubuntu Security Notice USN-5095-1
Posted Sep 30, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5095-1 - It was discovered that Apache Commons IO incorrectly handled certain inputs. An attacker could possibly use this issue to expose sensitive information.

tags | advisory
systems | linux, ubuntu
advisories | CVE-2021-29425
MD5 | 941296a511e1902a2ee79018aab7ff35
Red Hat Security Advisory 2021-3694-01
Posted Sep 30, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-3694-01 - 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. Issues addressed include a denial of service vulnerability.

tags | advisory, web, denial of service
systems | linux, redhat
advisories | CVE-2021-22922, CVE-2021-22923, CVE-2021-22924, CVE-2021-36222, CVE-2021-3749, CVE-2021-37576, CVE-2021-37750, CVE-2021-38201
MD5 | 1c9dc0773ccbd6d66d1f85debc49bc37
Red Hat Security Advisory 2021-3635-01
Posted Sep 30, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-3635-01 - 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 RPM packages for Red Hat OpenShift Container Platform 4.7.32.

tags | advisory
systems | linux, redhat
advisories | CVE-2021-25741
MD5 | a9e8c9ab99673f8a7a0456871d6afbe3
Red Hat Security Advisory 2021-3642-01
Posted Sep 29, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-3642-01 - Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments.

tags | advisory
systems | linux, redhat
advisories | CVE-2021-25741
MD5 | 9132d88734d20e21c488af1606f3f6bc
Ubuntu Security Notice USN-5092-2
Posted Sep 29, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5092-2 - Valentina Palmiotti discovered that the io_uring subsystem in the Linux kernel could be coerced to free adjacent memory. A local attacker could use this to execute arbitrary code. Ofek Kirzner, Adam Morrison, Benedict Schlueter, and Piotr Krysiuk discovered that the BPF verifier in the Linux kernel missed possible mispredicted branches due to type confusion, allowing a side-channel attack. An attacker could use this to expose sensitive information. Various other issues were also addressed.

tags | advisory, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2021-33624, CVE-2021-34556, CVE-2021-35477, CVE-2021-3679, CVE-2021-37159, CVE-2021-37576, CVE-2021-38160, CVE-2021-38199, CVE-2021-38201, CVE-2021-38204, CVE-2021-38205, CVE-2021-41073
MD5 | aeee33eaab84532e9f4d7e57892c0bc1
Ubuntu Security Notice USN-5094-1
Posted Sep 29, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5094-1 - 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. It was discovered that the tracing subsystem in the Linux kernel did not properly keep track of per-cpu ring buffer state. A privileged attacker could use this to cause a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, kernel
systems | linux, ubuntu
advisories | CVE-2021-22543, CVE-2021-3679, CVE-2021-3732, CVE-2021-37576, CVE-2021-38204, CVE-2021-38205
MD5 | 279180ec22dccd9a21dcad0096c3b3b8
Ubuntu Security Notice USN-5090-4
Posted Sep 29, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5090-4 - USN-5090-1 fixed vulnerabilities in Apache HTTP Server. One of the upstream fixes introduced a regression in UDS URIs. This update fixes the problem. James Kettle discovered that the Apache HTTP Server HTTP/2 module incorrectly handled certain crafted methods. A remote attacker could possibly use this issue to perform request splitting or cache poisoning attacks. It was discovered that the Apache HTTP Server incorrectly handled certain malformed requests. A remote attacker could possibly use this issue to cause the server to crash, resulting in a denial of service. Li Zhi Xin discovered that the Apache mod_proxy_uwsgi module incorrectly handled certain request uri-paths. A remote attacker could possibly use this issue to cause the server to crash, resulting in a denial of service. This issue only affected Ubuntu 20.04 LTS and Ubuntu 21.04. It was discovered that the Apache HTTP Server incorrectly handled escaping quotes. If the server was configured with third-party modules, a remote attacker could use this issue to cause the server to crash, resulting in a denial of service, or possibly execute arbitrary code. It was discovered that the Apache mod_proxy module incorrectly handled certain request uri-paths. A remote attacker could possibly use this issue to cause the server to forward requests to arbitrary origin servers. Various other issues were also addressed.

tags | advisory, remote, web, denial of service, arbitrary, vulnerability
systems | linux, ubuntu
advisories | CVE-2021-33193, CVE-2021-34798, CVE-2021-36160, CVE-2021-39275, CVE-2021-40438
MD5 | 90831576b5e159be92f9a4a7af321eef
Ubuntu Security Notice USN-5090-3
Posted Sep 28, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5090-3 - USN-5090-1 fixed vulnerabilities in Apache HTTP Server. One of the upstream fixes introduced a regression in UDS URIs. This update fixes the problem.

tags | advisory, remote, web, denial of service, arbitrary, vulnerability
systems | linux, ubuntu
advisories | CVE-2021-33193, CVE-2021-34798, CVE-2021-36160, CVE-2021-39275, CVE-2021-40438
MD5 | 5608f104eebba750eb15f048c91ed22d
Red Hat Security Advisory 2021-3675-01
Posted Sep 28, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-3675-01 - The shim package contains a first-stage UEFI boot loader that handles chaining to a trusted full boot loader under secure boot environments. The fwupd packages provide a service that allows session software to update device firmware. Issues addressed include buffer overflow, out of bounds write, and use-after-free vulnerabilities.

tags | advisory, overflow, vulnerability
systems | linux, redhat
advisories | CVE-2020-14372, CVE-2020-25632, CVE-2020-25647, CVE-2020-27749, CVE-2020-27779, CVE-2021-20225, CVE-2021-20233
MD5 | df7abf7a33f97f6d20e095a5a1f7b26d
Red Hat Security Advisory 2021-3676-01
Posted Sep 28, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-3676-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2021-3653, CVE-2021-3656
MD5 | 4851ad3ffb3f8135462413a1a38cf62b
Ubuntu Security Notice USN-5093-1
Posted Sep 28, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5093-1 - Brian Carpenter discovered that vim incorrectly handled memory when opening certain files. If a user was tricked into opening a specially crafted file, a remote attacker could crash the application, leading to a denial of service, or possibly execute arbitrary code with user privileges. This issue only affected Ubuntu 20.04 LTS and Ubuntu 21.04. Brian Carpenter discovered that vim incorrectly handled memory when opening certain files. If a user was tricked into opening a specially crafted file, a remote attacker could crash the application, leading to a denial of service, or possibly execute arbitrary code with user privileges. Various other issues were also addressed.

tags | advisory, remote, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2021-3770, CVE-2021-3778, CVE-2021-3796
MD5 | d62db22a529fb4b0551f5eaa73d5af5c
Ubuntu Security Notice USN-5092-1
Posted Sep 28, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5092-1 - Valentina Palmiotti discovered that the io_uring subsystem in the Linux kernel could be coerced to free adjacent memory. A local attacker could use this to execute arbitrary code. Ofek Kirzner, Adam Morrison, Benedict Schlueter, and Piotr Krysiuk discovered that the BPF verifier in the Linux kernel missed possible mispredicted branches due to type confusion, allowing a side-channel attack. An attacker could use this to expose sensitive information. Various other issues were also addressed.

tags | advisory, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2021-33624, CVE-2021-34556, CVE-2021-35477, CVE-2021-3679, CVE-2021-37159, CVE-2021-37576, CVE-2021-38160, CVE-2021-38199, CVE-2021-38201, CVE-2021-38204, CVE-2021-38205, CVE-2021-41073
MD5 | 635f2738af5765ac79ac9852318e072d
Ubuntu Security Notice USN-5091-1
Posted Sep 28, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5091-1 - Ofek Kirzner, Adam Morrison, Benedict Schlueter, and Piotr Krysiuk discovered that the BPF verifier in the Linux kernel missed possible mispredicted branches due to type confusion, allowing a side-channel attack. An attacker could use this to expose sensitive information. It was discovered that the tracing subsystem in the Linux kernel did not properly keep track of per-cpu ring buffer state. A privileged attacker could use this to cause a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, kernel
systems | linux, ubuntu
advisories | CVE-2021-33624, CVE-2021-3679, CVE-2021-37576, CVE-2021-38160, CVE-2021-38199, CVE-2021-38204
MD5 | 994b5a35c8fde81a170f46fc3eced5c3
Red Hat Security Advisory 2021-3631-01
Posted Sep 28, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-3631-01 - 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 RPM packages for Red Hat OpenShift Container Platform 4.8.13.

tags | advisory
systems | linux, redhat
advisories | CVE-2021-25741
MD5 | de7726f69b06a0da0c40585b0df39ef4
Ubuntu Security Notice USN-5090-2
Posted Sep 28, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5090-2 - USN-5090-1 fixed several vulnerabilities in Apache. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. It was discovered that the Apache HTTP Server incorrectly handled certain malformed requests. A remote attacker could possibly use this issue to cause the server to crash, resulting in a denial of service. Various other issues were also addressed.

tags | advisory, remote, web, denial of service, vulnerability
systems | linux, ubuntu
advisories | CVE-2021-34798, CVE-2021-39275, CVE-2021-40438
MD5 | f1c0afba6ab0b08d98b70d4d4b21f6b1
Ubuntu Security Notice USN-5090-1
Posted Sep 28, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5090-1 - James Kettle discovered that the Apache HTTP Server HTTP/2 module incorrectly handled certain crafted methods. A remote attacker could possibly use this issue to perform request splitting or cache poisoning attacks. It was discovered that the Apache HTTP Server incorrectly handled certain malformed requests. A remote attacker could possibly use this issue to cause the server to crash, resulting in a denial of service. Various other issues were also addressed.

tags | advisory, remote, web, denial of service
systems | linux, ubuntu
advisories | CVE-2021-33193, CVE-2021-34798, CVE-2021-36160, CVE-2021-39275, CVE-2021-40438
MD5 | bee903869d8b39d2bae378c7b64ba4d0
Red Hat Security Advisory 2021-3666-01
Posted Sep 27, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-3666-01 - 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 | 3aacdf0ac0725d59c35f942b8086154e
Red Hat Security Advisory 2021-3653-01
Posted Sep 24, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-3653-01 - Red Hat Advanced Cluster Management 2.1.11 security fix and container updates are available.

tags | advisory
systems | linux, redhat
advisories | CVE-2020-27777, CVE-2021-22555, CVE-2021-22922, CVE-2021-22923, CVE-2021-22924, CVE-2021-23017, CVE-2021-29154, CVE-2021-29650, CVE-2021-31535, CVE-2021-32399, CVE-2021-36222, CVE-2021-3653, CVE-2021-37750
MD5 | ef43f11cebe0cd0e7f13da5997e4271e
Apple Security Advisory 2021-09-23-2
Posted Sep 24, 2021
Authored by Apple | Site apple.com

Apple Security Advisory 2021-09-23-2 - Security Update 2021-006 Catalina addresses a code execution vulnerability.

tags | advisory, code execution
systems | apple
advisories | CVE-2021-30869
MD5 | da2fbee1b8de7e4786058168460ba81d
Red Hat Security Advisory 2021-3660-01
Posted Sep 24, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-3660-01 - Red Hat JBoss Enterprise Application Platform 7 is a platform for Java applications based on the WildFly application runtime. This release of Red Hat JBoss Enterprise Application Platform 7.4.1 serves as a replacement for Red Hat JBoss Enterprise Application Platform 7.4.0 and includes bug fixes and enhancements. See the Red Hat JBoss Enterprise Application Platform 7.4.1 Release Notes for information about the most significant bug fixes and enhancements included in this release. Issues addressed include code execution, cross site scripting, denial of service, and traversal vulnerabilities.

tags | advisory, java, denial of service, vulnerability, code execution, xss
systems | linux, redhat
advisories | CVE-2020-13936, CVE-2021-21295, CVE-2021-21409, CVE-2021-28170, CVE-2021-29425, CVE-2021-3536, CVE-2021-3597, CVE-2021-3642, CVE-2021-3644, CVE-2021-3690
MD5 | d1b890023c5f704258c5a41a08dd47eb
Apple Security Advisory 2021-09-23-1
Posted Sep 24, 2021
Authored by Apple | Site apple.com

Apple Security Advisory 2021-09-23-1 - iOS 12.5.5 addresses code execution, integer overflow, and use-after-free vulnerabilities.

tags | advisory, overflow, vulnerability, code execution
systems | apple, ios
advisories | CVE-2021-30858, CVE-2021-30860, CVE-2021-30869
MD5 | 488d3765baad8c4d50fbe4155e799a1b
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