USN-4916-1: Linux kernel vulnerabilities

It was discovered that the overlayfs implementation in the Linux kernel did not properly validate the application of file system capabilities with respect to user namespaces. A local attacker could use this to gain elevated privileges. CVE-2021-3493 Piotr Krysiuk discovered that the BPF JIT...

CVE-2021-21731

A CSRF vulnerability exists in the management page of a ZTE product.The vulnerability is caused because the management page does not fully verify whether the request comes from a trusted user. The attacker could submit a malicious request to the affected device to delete the data. This affects:...

CVE-2021-21731

A CSRF vulnerability exists in the management page of a ZTE product.The vulnerability is caused because the management page does not fully verify whether the request comes from a trusted user. The attacker could submit a malicious request to the affected device to delete the data. This affects:...

CVE-2021-21731

A CSRF vulnerability exists in the management page of a ZTE product.The vulnerability is caused because the management page does not fully verify whether the request comes from a trusted user. The attacker could submit a malicious request to the affected device to delete the data. This affects:...

CVE-2021-21731

The CVE-2021-21731 issue is a CSRF vulnerability in the ZTE ZXCLOUD iRAI management page. The root cause is insufficient verification of request origins, allowing an attacker to submit malicious requests that can delete data on the affected device. Affected products/versions: ZXCLOUD iRAI prior t...

Unbreakable Enterprise kernel-container security update

4.14.35-2047.502.4.el7 - Revert 'rds: ib: Remove two ibmodifyqp calls' Sharath Srinivasan Orabug: 32715567 - uek-rpm: Update SecureBoot Digicert 2021 certificates Somasundaram Krishnasamy Orabug: 32532514 4.14.35-2047.502.3.el7 - video: hypervfb: Fix the mmap regression for v5.4.y and older Dexua...

PT-2021-14742 · Zxcloud · Zxcloud Irai

Name of the Vulnerable Software and Affected Versions: ZXCLOUD iRAI versions prior to KVM-ProductV6.03.04 Description: A CSRF issue exists in the management page of the product due to insufficient verification of request origins, allowing an attacker to submit malicious requests and potentially...

Unbreakable Enterprise kernel security update

4.14.35-2047.502.4 - Revert 'rds: ib: Remove two ibmodifyqp calls' Sharath Srinivasan Orabug: 32715567 - uek-rpm: Update SecureBoot Digicert 2021 certificates Somasundaram Krishnasamy Orabug: 32532514 4.14.35-2047.502.3 - video: hypervfb: Fix the mmap regression for v5.4.y and older Dexuan Cui...

CVE-2020-36313

A flaw was found in the Linux kernel. The KVM subsystem allows out-of-range access to memslots after a deletion. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. Mitigation Mitigation for this issue is either not available or the...

CVE-2020-36312

A flaw was found in the KVM hypervisor of the Linux kernel. A memory leak could occur in kvmiobusunregisterdev upon a kmalloc failure. The highest threat from this vulnerability is to system availability. Mitigation Mitigation for this issue is either not available or the currently available...

CVE-2020-36310

A flaw was found in the Linux kernel. A nested page fault is created when an address does not have a memslot associated to it. The highest threat from this vulnerability is to system availability. This flaw can be triggered using a malformed Virtual Machine. When triggered this bug will lead to t...

Low: Red Hat Security Advisory: virt:8.3 and virt-devel:8.3 security and bug fix update

An update for the virt:8.3 and virt-devel:8.3 modules is now available for Advanced Virtualization for RHEL 8.3.1. Red Hat Product Security has rated this update as having a security impact of Low. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

The vulnerability in the arch/x86/kvm/svm/sev.c component of the Kernel-based Virtual Machine (KVM) virtualization subsystem of Linux operating systems allows a attacker to cause a service failure.

The vulnerability in the kernel-based virtual machine KVM virtualization subsystem of Linux operating systems, specifically in the arch/x86/kvm/svm/sev.c component, involves uncontrolled resource consumption. Exploiting this vulnerability can allow an attacker to cause service failures...

RHEL 8 : virt:8.3 and virt-devel:8.3 (RHSA-2021:1125)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2021:1125 advisory. The Advanced Virtualization module provides the user-space component for running virtual machines that use KVM in environments managed by Red Hat...

DEBIAN-CVE-2020-36312

An issue was discovered in the Linux kernel before 5.8.10. virt/kvm/kvmmain.c has a kvmiobusunregisterdev memory leak upon a kmalloc failure, aka CID-f65886606c2d...

CVE-2020-36313

An issue was discovered in the Linux kernel before 5.7. The KVM subsystem allows out-of-range access to memslots after a deletion, aka CID-0774a964ef56. This affects arch/s390/kvm/kvm-s390.c, include/linux/kvmhost.h, and virt/kvm/kvmmain.c...

Arbitrary file deletion

An issue was discovered in the Linux kernel before 5.7. The KVM subsystem allows out-of-range access to memslots after a deletion, aka CID-0774a964ef56. This affects arch/s390/kvm/kvm-s390.c, include/linux/kvmhost.h, and virt/kvm/kvmmain.c...

CVE-2020-36311

An issue was discovered in the Linux kernel before 5.9. arch/x86/kvm/svm/sev.c allows attackers to cause a denial of service soft lockup by triggering destruction of a large SEV VM which requires unregistering many encrypted regions, aka CID-7be74942f184...

UBUNTU-CVE-2020-36312

An issue was discovered in the Linux kernel before 5.8.10. virt/kvm/kvmmain.c has a kvmiobusunregisterdev memory leak upon a kmalloc failure, aka CID-f65886606c2d...

kernel security, bug fix, and enhancement update

4.18.0-240.22.13.OL8 - Update Oracle Linux certificates Kevin Lyons - Disable signing for aarch64 Ilya Okomin - Oracle Linux RHCK Module Signing Key was added to the kernel trusted keys list olkmodsigningkey.pem Orabug: 29539237 - Update x509.genkey Orabug: 24817676 - Conflict with shim-ia32 and...