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CVE-2021-37576

Status Candidate

Overview

arch/powerpc/kvm/book3s_rtas.c in the Linux kernel through 5.13.5 on the powerpc platform allows KVM guest OS users to cause host OS memory corruption via rtas_args.nargs, aka CID-f62f3c20647e.

Related Files

Red Hat Security Advisory 2021-4000-01
Posted Oct 26, 2021
Authored by Red Hat | Site access.redhat.com

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.

tags | advisory, kernel, bypass
systems | linux, redhat
advisories | CVE-2021-22543, CVE-2021-37576
SHA-256 | 687e6d95703af3939c1fbae107846e79e2e06ca26cf7b539e366f8c2efeaba20
Red Hat Security Advisory 2021-3987-01
Posted Oct 26, 2021
Authored by Red Hat | Site access.redhat.com

Red 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.

tags | advisory, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2019-20934, CVE-2020-36385, CVE-2021-22543, CVE-2021-3653, CVE-2021-3656, CVE-2021-37576
SHA-256 | 040e54ee516bb6e095dc679de0b614bf50bed500cad2c65a61b6b447e5285956
Red Hat Security Advisory 2021-3949-01
Posted Oct 21, 2021
Authored by Red Hat | Site access.redhat.com

Red 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.

tags | advisory, denial of service, overflow, vulnerability
systems | linux, redhat
advisories | CVE-2016-4658, CVE-2021-22543, CVE-2021-22922, CVE-2021-22923, CVE-2021-22924, CVE-2021-23840, CVE-2021-23841, CVE-2021-32626, CVE-2021-32627, CVE-2021-32628, CVE-2021-32672, CVE-2021-32675, CVE-2021-32687, CVE-2021-36222, CVE-2021-3653, CVE-2021-3656, CVE-2021-37576, CVE-2021-37750, CVE-2021-41099
SHA-256 | da3bb0a2f0aedf1b55d5f8cbbece5dc6749623ae797a40f9e1cf9bf6796ee1a4
Red Hat Security Advisory 2021-3925-01
Posted Oct 20, 2021
Authored by Red Hat | Site access.redhat.com

Red 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.

tags | advisory, denial of service, overflow, vulnerability
systems | linux, redhat
advisories | CVE-2016-4658, CVE-2020-25648, CVE-2021-21670, CVE-2021-21671, CVE-2021-22543, CVE-2021-22922, CVE-2021-22923, CVE-2021-22924, CVE-2021-23017, CVE-2021-23840, CVE-2021-23841, CVE-2021-25741, CVE-2021-32626, CVE-2021-32627, CVE-2021-32628, CVE-2021-32672, CVE-2021-32675, CVE-2021-32687, CVE-2021-32690, CVE-2021-36222, CVE-2021-3653, CVE-2021-3656, CVE-2021-37576, CVE-2021-37750, CVE-2021-41099
SHA-256 | fd1035fefbb8b3d06fa3e4a659771a25d330eb9fd90f1ff55f4f16a1d0ab3d2c
Ubuntu Security Notice USN-5092-3
Posted Oct 19, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu 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.

tags | advisory, kernel, vulnerability
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
SHA-256 | 2f8462834b9c412b2c94caea0415569d6a8d0a25ce4c553b1643bb9766389a30
Ubuntu Security Notice USN-5091-3
Posted Oct 15, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu 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.

tags | advisory, kernel, vulnerability
systems | linux, ubuntu
advisories | CVE-2021-33624, CVE-2021-3679, CVE-2021-37576, CVE-2021-38160, CVE-2021-38199, CVE-2021-38204
SHA-256 | 24c408984ea4c4c10e651302744cddabd5b13c5cce9576cf919599003f060a83
Red Hat Security Advisory 2021-3801-01
Posted Oct 13, 2021
Authored by Red Hat | Site access.redhat.com

Red 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.

tags | advisory, kernel, bypass
systems | linux, redhat
advisories | CVE-2021-22543, CVE-2021-3653, CVE-2021-3656, CVE-2021-37576
SHA-256 | 43375940a511d5f02ee335cf93c2c5063eb0463c68eccf3009a5851833c8ca76
Red Hat Security Advisory 2021-3812-01
Posted Oct 12, 2021
Authored by Red Hat | Site access.redhat.com

Red 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.

tags | advisory, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2021-22543, CVE-2021-22555, CVE-2021-3653, CVE-2021-3656, CVE-2021-37576
SHA-256 | d2eac6f1add09be972a2780c9efa45b78b7848496f88beb863ed2785ea677c2b
Red Hat Security Advisory 2021-3814-01
Posted Oct 12, 2021
Authored by Red Hat | Site access.redhat.com

Red 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.

tags | advisory, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2021-22543, CVE-2021-22555, CVE-2021-37576
SHA-256 | 3b1a2d1cc68dcb5014deed6689fcfa5c1174b58abbd6f4aaeb3a5cb1167ea7dd
Red Hat Security Advisory 2021-3768-01
Posted Oct 12, 2021
Authored by Red Hat | Site access.redhat.com

Red 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.

tags | advisory, kernel, bypass
systems | linux, redhat
advisories | CVE-2021-22543, CVE-2021-37576
SHA-256 | 408e82b35f69cdab725a569554c6e9fe4c67388615c9ecea449d9e529d4e5aa8
Red Hat Security Advisory 2021-3766-01
Posted Oct 12, 2021
Authored by Red Hat | Site access.redhat.com

Red 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.

tags | advisory, kernel, bypass
systems | linux, redhat
advisories | CVE-2021-22543, CVE-2021-37576
SHA-256 | ed3ba4657067e5599b1221d740c6c04e6b0c9debfd381a997642e8c8399c58f5
Red Hat Security Advisory 2021-3725-01
Posted Oct 5, 2021
Authored by Red Hat | Site access.redhat.com

Red 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.

tags | advisory, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2021-22543, CVE-2021-22555, CVE-2021-32399, CVE-2021-37576
SHA-256 | 7f735d3b9f335568e537bf87b297d4d999b27ae17dfdcdf3cbb9a64d9adf1e4d
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
SHA-256 | b1ce9e701282280a5c2dbdfafd7782a607b33f330152c096fdc1e2b3c2debde0
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
SHA-256 | fe6e6f7b890fe9c454e6d8b6981a93e9900e3e12cc8de38080233a23b6f9f395
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
SHA-256 | 61410dbe4257dd87ae714e3f86a082bb3acae0802b9d7ce2e4fc034d086c4838
Debian Security Advisory 4978-1
Posted Sep 28, 2021
Authored by Debian | Site debian.org

Debian 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.

tags | advisory, denial of service, kernel, vulnerability
systems | linux, debian
advisories | CVE-2020-16119, CVE-2020-3702, CVE-2021-3653, CVE-2021-3656, CVE-2021-3679, CVE-2021-3732, CVE-2021-3739, CVE-2021-3743, CVE-2021-3753, CVE-2021-37576, CVE-2021-38160, CVE-2021-38166, CVE-2021-38199, CVE-2021-40490
SHA-256 | 58e6e00aeccd2d98b5f0fbd9438d9ad7fea0354cd2d4fc6a894c0d2ecc5f5d7f
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
SHA-256 | ebcf129926760acf6a8d3e98fe23c9b1ac0c8a4d82db537ed58774cee102bccf
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
SHA-256 | e091ef36b1fd7e00cec219aaafc4dbf41a9c32a20d118dea6371229fe281294a
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
SHA-256 | 3a62781802214e6eb77a0d28fc9fa05ebee3d12366b8219cccc000ace400db7e
Red Hat Security Advisory 2021-3447-01
Posted Sep 8, 2021
Authored by Red Hat | Site access.redhat.com

Red 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.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2021-37576, CVE-2021-38201
SHA-256 | 21758e8d20602709b14092a3a74aa61609c2b08c0cdf3db47ba5c33f5c238629
Red Hat Security Advisory 2021-3446-01
Posted Sep 8, 2021
Authored by Red Hat | Site access.redhat.com

Red 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.

tags | advisory, overflow, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2021-0512, CVE-2021-3715, CVE-2021-37576
SHA-256 | 11551bfe38e2044b50546e2016efe54060e1f84f42a02916250540ec7bf69bbd
Red Hat Security Advisory 2021-3444-01
Posted Sep 8, 2021
Authored by Red Hat | Site access.redhat.com

Red 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.

tags | advisory, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2021-3609, CVE-2021-3715, CVE-2021-37576
SHA-256 | 575719fa3dbe06103800a00f34c815470ba521587ac6519e66590ef4249ae702
Red Hat Security Advisory 2021-3443-01
Posted Sep 8, 2021
Authored by Red Hat | Site access.redhat.com

Red 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.

tags | advisory, overflow, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2021-0512, CVE-2021-3715, CVE-2021-37576
SHA-256 | 5b8c3c448287f0064a6a319c7d24ad818587e9199002eb8210b5442d82ba82f7
Red Hat Security Advisory 2021-3442-01
Posted Sep 8, 2021
Authored by Red Hat | Site access.redhat.com

Red 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.

tags | advisory, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2021-3609, CVE-2021-3715, CVE-2021-37576
SHA-256 | 8fd04dbe8f09d552e79fbc09b0887b18d18b39f9ca0caf03b6dd1a1df65d43a8
Red Hat Security Advisory 2021-3436-01
Posted Sep 7, 2021
Authored by Red Hat | Site access.redhat.com

Red 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.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2021-37576
SHA-256 | 35e4c1bb6d664d9f098c9b935e2360466c1554f35ce67921623a44f2c45557b8
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