PT-2021-30340

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-2021-26359

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions v5.14 through v5.14.14 Description: The issue is related to the powerpc/smp component, specifically concerning the handling of the idle task preempt count during CPU offline operations. The actual impact and potential fo...

PT-2021-30314

Name of the Vulnerable Software and Affected Versions Linux Kernel versions 5.10.50 through 5.10.75 Description The issue is related to the powerpc/smp component, specifically concerning the handling of the idle task preempt count during CPU offline operations. The actual impact and potential for...

CVE-2021-43056: Undefined Security Weakness

An issue was discovered in the Linux kernel for powerpc before 5.14.15. It allows a malicious KVM guest to crash the host, when the host is running on Power8, due to an arch/powerpc/kvm/book3shvrmhandlers.S implementation bug in the handling of the SRR1 register values...

Linux kernel 安全漏洞

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...

Important: Red Hat Security Advisory: kpatch-patch security update

An update is now available for Red Hat Enterprise Linux 7.7 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

kernel: powerpc: KVM guest OS users can cause host OS memory corruption

A flaw was found on the Linux kernel. On the PowerPC platform, the KVM guest allows the OS users to cause host OS memory corruption via rtasargs.nargs. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability...

Important: Red Hat Security Advisory: kernel security and bug fix update

An update for kernel is now available for Red Hat Enterprise Linux 7.7 Advanced Update Support, Red Hat Enterprise Linux 7.7 Telco Extended Update Support, and Red Hat Enterprise Linux 7.7 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impac...

kernel: powerpc: KVM guest OS users can cause host OS memory corruption

A flaw was found on the Linux kernel. On the PowerPC platform, the KVM guest allows the OS users to cause host OS memory corruption via rtasargs.nargs. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability...

UVI-2021-1001682 powerpc/64s: fix program check interrupt emergency stack path

powerpc/64s: fix program check interrupt emergency stack path 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 v5.14.12 by commit...

GSD-2021-1001682 powerpc/64s: fix program check interrupt emergency stack path

powerpc/64s: fix program check interrupt emergency stack path 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 v5.14.12 by commit...

UVI-2021-1001681 powerpc/64s: Fix unrecoverable MCE calling async handler from NMI

powerpc/64s: Fix unrecoverable MCE calling async handler from NMI 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 v5.14.12 by commit...

GSD-2021-1001681 powerpc/64s: Fix unrecoverable MCE calling async handler from NMI

powerpc/64s: Fix unrecoverable MCE calling async handler from NMI 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 v5.14.12 by commit...

GSD-2021-1001619 powerpc/64s: fix program check interrupt emergency stack path

powerpc/64s: fix program check interrupt emergency stack path 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 v5.10.73 by commit...

UVI-2021-1001619 powerpc/64s: fix program check interrupt emergency stack path

powerpc/64s: fix program check interrupt emergency stack path 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 v5.10.73 by commit...

PT-2021-30146

Name of the Vulnerable Software and Affected Versions Linux Kernel versions v5.14 through v5.14.11 Description The issue concerns an unrecoverable Machine Check Exception MCE when an asynchronous handler is called from a Non-Maskable Interrupt NMI on powerpc/64s systems. The actual impact and...

PT-2021-30147

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.14.12 Description The issue is related to the powerpc/64s emergency stack path in the Linux Kernel. It was introduced in version v5.3 and fixed in version v5.14.12. The actual impact and attack plausibility ha...

PT-2021-26089

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.10.73 Description The issue is related to the powerpc/64s emergency stack path in the Linux Kernel. It was introduced in version v5.3 and fixed in version v5.10.73. The actual impact and attack plausibility ha...

PT-2021-26151

Name of the Vulnerable Software and Affected Versions Linux Kernel versions v5.14 through v5.14.11 Description The issue concerns an unrecoverable Machine Check Exception MCE when an asynchronous handler is called from a Non-Maskable Interrupt NMI on powerpc/64s systems. The actual impact and...

PT-2021-30084

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.10.73 Description The issue is related to the powerpc/64s emergency stack path in the Linux Kernel. It was introduced in version v5.3 and fixed in version v5.10.73. The actual impact and attack plausibility ha...