Red Hat Security Advisory 2021-4000-01 - 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. Issues addressed include a bypass vulnerability.
687e6d95703af3939c1fbae107846e79e2e06ca26cf7b539e366f8c2efeaba20Red Hat Security Advisory 2021-3987-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include bypass and use-after-free vulnerabilities.
040e54ee516bb6e095dc679de0b614bf50bed500cad2c65a61b6b447e5285956Red Hat Security Advisory 2021-3949-01 - Red Hat Advanced Cluster Management for Kubernetes 2.1.12 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 updates to one or more container images for Red Hat Advanced Cluster Management for Kubernetes. Issues addressed include denial of service, integer overflow, and out of bounds read vulnerabilities.
da3bb0a2f0aedf1b55d5f8cbbece5dc6749623ae797a40f9e1cf9bf6796ee1a4Red Hat Security Advisory 2021-3925-01 - Red Hat Advanced Cluster Management for Kubernetes 2.3.3 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 provide security updates. Issues addressed include denial of service, information leakage, integer overflow, and out of bounds read vulnerabilities.
fd1035fefbb8b3d06fa3e4a659771a25d330eb9fd90f1ff55f4f16a1d0ab3d2cUbuntu Security Notice 5092-3 - USN-5092-2 fixed vulnerabilities in Linux 5.11-based kernels. Unfortunately, for Linux kernels intended for use within Microsoft Azure environments, that update introduced a regression that could cause the kernel to fail to boot in large Azure instance types. This update fixes the problem. Various other issues were also addressed.
2f8462834b9c412b2c94caea0415569d6a8d0a25ce4c553b1643bb9766389a30Ubuntu Security Notice 5091-3 - USN-5091-1 fixed vulnerabilities in Linux 5.4-based kernels. Unfortunately, for Linux kernels intended for use within Microsoft Azure environments, that update introduced a regression that could cause the kernel to fail to boot in large Azure instance types. This update fixes the problem. Various other issues were also addressed.
24c408984ea4c4c10e651302744cddabd5b13c5cce9576cf919599003f060a83Red Hat Security Advisory 2021-3801-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include a bypass vulnerability.
43375940a511d5f02ee335cf93c2c5063eb0463c68eccf3009a5851833c8ca76Red Hat Security Advisory 2021-3812-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include bypass and out of bounds write vulnerabilities.
d2eac6f1add09be972a2780c9efa45b78b7848496f88beb863ed2785ea677c2bRed Hat Security Advisory 2021-3814-01 - 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. Issues addressed include bypass and out of bounds write vulnerabilities.
3b1a2d1cc68dcb5014deed6689fcfa5c1174b58abbd6f4aaeb3a5cb1167ea7ddRed Hat Security Advisory 2021-3768-01 - 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. Issues addressed include a bypass vulnerability.
408e82b35f69cdab725a569554c6e9fe4c67388615c9ecea449d9e529d4e5aa8Red Hat Security Advisory 2021-3766-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include a bypass vulnerability.
ed3ba4657067e5599b1221d740c6c04e6b0c9debfd381a997642e8c8399c58f5Red Hat Security Advisory 2021-3725-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include bypass and out of bounds write vulnerabilities.
7f735d3b9f335568e537bf87b297d4d999b27ae17dfdcdf3cbb9a64d9adf1e4dRed 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.
b1ce9e701282280a5c2dbdfafd7782a607b33f330152c096fdc1e2b3c2debde0Ubuntu 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.
fe6e6f7b890fe9c454e6d8b6981a93e9900e3e12cc8de38080233a23b6f9f395Ubuntu 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.
61410dbe4257dd87ae714e3f86a082bb3acae0802b9d7ce2e4fc034d086c4838Debian Linux Security Advisory 4978-1 - Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks.
58e6e00aeccd2d98b5f0fbd9438d9ad7fea0354cd2d4fc6a894c0d2ecc5f5d7fUbuntu 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.
ebcf129926760acf6a8d3e98fe23c9b1ac0c8a4d82db537ed58774cee102bccfUbuntu 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.
e091ef36b1fd7e00cec219aaafc4dbf41a9c32a20d118dea6371229fe281294aRed Hat Security Advisory 2021-3598-01 - OpenShift Virtualization is Red Hat's virtualization solution designed for Red Hat OpenShift Container Platform.
3a62781802214e6eb77a0d28fc9fa05ebee3d12366b8219cccc000ace400db7eRed Hat Security Advisory 2021-3447-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include an out of bounds access vulnerability.
21758e8d20602709b14092a3a74aa61609c2b08c0cdf3db47ba5c33f5c238629Red Hat Security Advisory 2021-3446-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include buffer overflow, out of bounds write, and use-after-free vulnerabilities.
11551bfe38e2044b50546e2016efe54060e1f84f42a02916250540ec7bf69bbdRed Hat Security Advisory 2021-3444-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include privilege escalation and use-after-free vulnerabilities.
575719fa3dbe06103800a00f34c815470ba521587ac6519e66590ef4249ae702Red Hat Security Advisory 2021-3443-01 - 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. Issues addressed include buffer overflow, out of bounds write, and use-after-free vulnerabilities.
5b8c3c448287f0064a6a319c7d24ad818587e9199002eb8210b5442d82ba82f7Red Hat Security Advisory 2021-3442-01 - 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. Issues addressed include privilege escalation and use-after-free vulnerabilities.
8fd04dbe8f09d552e79fbc09b0887b18d18b39f9ca0caf03b6dd1a1df65d43a8Red Hat Security Advisory 2021-3436-01 - 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.
35e4c1bb6d664d9f098c9b935e2360466c1554f35ce67921623a44f2c45557b8
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