PT-2021-30512

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.10.76 Description The issue is related to the powerpc/idle component, where going idle can corrupt the back chain. The actual impact and attack plausibility have not yet been proven. Recommendations For Linux...

PT-2021-26579

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.14.15 Description The issue is related to the powerpc/idle component, where going idle can corrupt the back chain. The actual impact and attack plausibility have not yet been proven. Recommendations For Linux...

PT-2021-30474

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.4.156 Description The issue is related to the powerpc/idle component, where going idle can corrupt the back chain. The actual impact and attack plausibility have not yet been proven. Recommendations For Linux...

Ubuntu 20.04 LTS : Linux kernel (OEM 5.10) vulnerabilities (USN-5139-1)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5139-1 advisory. Ilja Van Sprundel discovered that the SCTP implementation in the Linux kernel did not properly perform size validations on incoming packets in some...

CentOS 8 : kernel (CESA-2021:4356)

The remote CentOS Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CESA-2021:4356 advisory. - kernel: Intel graphics card information leak. CVE-2019-14615 - kernel: out-of-bounds reads in pinctrl subsystem. CVE-2020-0427 - kernel: Improper inp...

RHEL 8 : kernel (RHSA-2021:4356)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:4356 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: out-of-bounds reads in pinctrl...

kernel: powerpc: RTAS calls can be used to compromise kernel integrity

A flaw was found in the way RTAS handled memory accesses in userspace to kernel communication. On a locked down usually due to Secure Boot guest system running on top of PowerVM or KVM hypervisors pseries platform a root like local user could use this flaw to further increase their privileges to...

kernel security, bug fix, and enhancement update

4.18.0-305.25.14.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...

Unspecified vulnerability in Linux kernel (CNVD-2021-84584)

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in Linux kernel powerpc prior to version 5.14.15, which stems from an implementation error in arch/powerpc/kvm/book3shvrmhandlers when handling...

CVE-2021-43056

A denial of service problem was found in the Linux kernel's Kernel-based Virtual Machine KVM specific to PowerPC. In this flaw, a user with local access can confuse the host offline code, causing the guest to crash. Mitigation Mitigation for this issue is either not available or the currently...

GSD-2021-1001889 powerpc/smp: do not decrement idle task preempt count in CPU offline

powerpc/smp: do not decrement idle task preempt count in CPU offline This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.14.15 by commit...

UVI-2021-1001889 powerpc/smp: do not decrement idle task preempt count in CPU offline

powerpc/smp: do not decrement idle task preempt count in CPU offline This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.14.15 by commit...

UVI-2021-1001875 powerpc/idle: Don't corrupt back chain when going idle

powerpc/idle: Don't corrupt back chain when going idle This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.14.15 by commit...

UVI-2021-1001849 powerpc/smp: do not decrement idle task preempt count in CPU offline

powerpc/smp: do not decrement idle task preempt count in CPU offline This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.10.76 by commit...

GSD-2021-1001849 powerpc/smp: do not decrement idle task preempt count in CPU offline

powerpc/smp: do not decrement idle task preempt count in CPU offline This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.10.76 by commit...

UVI-2021-1001841 powerpc/idle: Don't corrupt back chain when going idle

powerpc/idle: Don't corrupt back chain when going idle This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.10.76 by commit...

GSD-2021-1001841 powerpc/idle: Don't corrupt back chain when going idle

powerpc/idle: Don't corrupt back chain when going idle This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.10.76 by commit...

UVI-2021-1001840 KVM: PPC: Book3S HV: Fix stack handling in idle_kvm_start_guest()

KVM: PPC: Book3S HV: Fix stack handling in idlekvmstartguest This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.10.76 by commit...

UVI-2021-1001819 powerpc/idle: Don't corrupt back chain when going idle

powerpc/idle: Don't corrupt back chain when going idle This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.4.156 by commit...

GSD-2021-1001819 powerpc/idle: Don't corrupt back chain when going idle

powerpc/idle: Don't corrupt back chain when going idle This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.4.156 by commit...