CVE-2024-42230 powerpc/pseries: Fix scv instruction crash with kexec

In the Linux kernel, the following vulnerability has been resolved: powerpc/pseries: Fix scv instruction crash with kexec kexec on pseries disables AIL reloconexc, required for scv instruction support, before other CPUs have been shut down. This means they can execute scv instructions after AIL i...

CVE-2024-42230 powerpc/pseries: Fix scv instruction crash with kexec

In the Linux kernel, the following vulnerability has been resolved: powerpc/pseries: Fix scv instruction crash with kexec kexec on pseries disables AIL reloconexc, required for scv instruction support, before other CPUs have been shut down. This means they can execute scv instructions after AIL i...

CVE-2024-42126 powerpc: Avoid nmi_enter/nmi_exit in real mode interrupt.

In the Linux kernel, the following vulnerability has been resolved: powerpc: Avoid nmienter/nmiexit in real mode interrupt. nmienter/nmiexit touches per cpu variables which can lead to kernel crash when invoked during real mode interrupt handling e.g. early HMI/MCE interrupt handler if percpu...

CVE-2024-42126 powerpc: Avoid nmi_enter/nmi_exit in real mode interrupt.

In the Linux kernel, the following vulnerability has been resolved: powerpc: Avoid nmienter/nmiexit in real mode interrupt. nmienter/nmiexit touches per cpu variables which can lead to kernel crash when invoked during real mode interrupt handling e.g. early HMI/MCE interrupt handler if percpu...

CVE-2024-42126 powerpc: Avoid nmi_enter/nmi_exit in real mode interrupt.

In the Linux kernel, the following vulnerability has been resolved: powerpc: Avoid nmienter/nmiexit in real mode interrupt. nmienter/nmiexit touches per cpu variables which can lead to kernel crash when invoked during real mode interrupt handling e.g. early HMI/MCE interrupt handler if percpu...

CVE-2024-42126

CVE-2024-42126 pertains to the Linux kernel on powerpc where nmi_enter/nmi_exit can touch per-CPU state and crash the kernel when invoked during real-mode interrupt handling if percpu allocations come from the vmalloc area. The issue manifests under CONFIG_NEED_PER_CPU_PAGE_FIRST_CHUNK with percp...

CVE-2024-42126

In the Linux kernel, the following vulnerability has been resolved: powerpc: Avoid nmienter/nmiexit in real mode interrupt. nmienter/nmiexit touches per cpu variables which can lead to kernel crash when invoked during real mode interrupt handling e.g. early HMI/MCE interrupt handler if percpu...

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 the Linux kernel that originates in the powerpc/pseries module when kexec is used and the pseries platform disables AIL before the other CPUs...

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 the Linux kernel that stems from the use of nmienter/nmiexit in the powerpc module when handling real-time mode interrupts, which may cause t...

DEBIAN-CVE-2024-41070

In the Linux kernel, the following vulnerability has been resolved: KVM: PPC: Book3S HV: Prevent UAF in kvmspaprtceattachiommugroup Al reported a possible use-after-free UAF in kvmspaprtceattachiommugroup. It looks up stt from tablefd, but then continues to use it after doing fdput on the returne...

CVE-2024-41065

In the Linux kernel, the following vulnerability has been resolved: powerpc/pseries: Whitelist dtl slub object for copying to userspace Reading the dispatch trace log from /sys/kernel/debug/powerpc/dtl/cpu- results in a BUG when the config CONFIGHARDENEDUSERCOPY is enabled as shown below. kernel...

DEBIAN-CVE-2024-41064

In the Linux kernel, the following vulnerability has been resolved: powerpc/eeh: avoid possible crash when edev-pdev changes If a PCI device is removed during eehpereportedev, edev-pdev will change and can cause a crash, hold the PCI rescan/remove lock while taking a copy of edev-pdev-bus...

DEBIAN-CVE-2024-41065

In the Linux kernel, the following vulnerability has been resolved: powerpc/pseries: Whitelist dtl slub object for copying to userspace Reading the dispatch trace log from /sys/kernel/debug/powerpc/dtl/cpu- results in a BUG when the config CONFIGHARDENEDUSERCOPY is enabled as shown below. kernel...

UBUNTU-CVE-2024-41065

In the Linux kernel, the following vulnerability has been resolved: powerpc/pseries: Whitelist dtl slub object for copying to userspace Reading the dispatch trace log from /sys/kernel/debug/powerpc/dtl/cpu- results in a BUG when the config CONFIGHARDENEDUSERCOPY is enabled as shown below. kernel...

UBUNTU-CVE-2024-41064

In the Linux kernel, the following vulnerability has been resolved: powerpc/eeh: avoid possible crash when edev-pdev changes If a PCI device is removed during eehpereportedev, edev-pdev will change and can cause a crash, hold the PCI rescan/remove lock while taking a copy of edev-pdev-bus...

CVE-2024-41065

The CVE-2024-41065 issue is in the Linux kernel’s powerpc/pseries code related to usercopy hardening. When CONFIG_HARDENED_USERCOPY is enabled, reading the dispatch log from /sys/kernel/debug/powerpc/dtl/cpu-* could trigger a kernel BUG in usercopy (mm/usercopy.c). The root cause involves copying...

CVE-2024-41065 powerpc/pseries: Whitelist dtl slub object for copying to userspace

In the Linux kernel, the following vulnerability has been resolved: powerpc/pseries: Whitelist dtl slub object for copying to userspace Reading the dispatch trace log from /sys/kernel/debug/powerpc/dtl/cpu- results in a BUG when the config CONFIGHARDENEDUSERCOPY is enabled as shown below. kernel...

CVE-2024-41065 powerpc/pseries: Whitelist dtl slub object for copying to userspace

In the Linux kernel, the following vulnerability has been resolved: powerpc/pseries: Whitelist dtl slub object for copying to userspace Reading the dispatch trace log from /sys/kernel/debug/powerpc/dtl/cpu- results in a BUG when the config CONFIGHARDENEDUSERCOPY is enabled as shown below. kernel...

CVE-2024-41065 powerpc/pseries: Whitelist dtl slub object for copying to userspace

In the Linux kernel, the following vulnerability has been resolved: powerpc/pseries: Whitelist dtl slub object for copying to userspace Reading the dispatch trace log from /sys/kernel/debug/powerpc/dtl/cpu- results in a BUG when the config CONFIGHARDENEDUSERCOPY is enabled as shown below. kernel...

CVE-2024-41064 powerpc/eeh: avoid possible crash when edev->pdev changes

In the Linux kernel, the following vulnerability has been resolved: powerpc/eeh: avoid possible crash when edev-pdev changes If a PCI device is removed during eehpereportedev, edev-pdev will change and can cause a crash, hold the PCI rescan/remove lock while taking a copy of edev-pdev-bus...