CVE-2024-46822 arm64: acpi: Harden get_cpu_for_acpi_id() against missing CPU entry

In the Linux kernel, the following vulnerability has been resolved: arm64: acpi: Harden getcpuforacpiid against missing CPU entry In a review discussion of the changes to support vCPU hotplug where a check was added on the GICC being enabled if was online, it was noted that there is need to map...

CVE-2024-46822 arm64: acpi: Harden get_cpu_for_acpi_id() against missing CPU entry

In the Linux kernel, the following vulnerability has been resolved: arm64: acpi: Harden getcpuforacpiid against missing CPU entry In a review discussion of the changes to support vCPU hotplug where a check was added on the GICC being enabled if was online, it was noted that there is need to map...

kernel: KVM: arm64: vgic-v2: Check for non-NULL vCPU in vgic_v2_parse_attr()

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: vgic-v2: Check for non-NULL vCPU in vgicv2parseattr vgicv2parseattr is responsible for finding the vCPU that matches the user-provided CPUID, which of course may not be valid. If the ID is invalid, kvmgetvcpubyid...

PT-2024-32233

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.10.0-rc7-332d2c1d713e-next-vm 552 Description The issue is related to the KVM Kernel-based Virtual Machine component in the Linux kernel. Specifically, it involves the handling of KVM SET VCPU EVENTS, where KVM...

PT-2024-32764

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.11-rc3 Description A NULL pointer crash is observed when SBI PMU snapshot is enabled for the guest and the guest is forcefully powered-off. The kvm vcpu write guest function is crashing because it is being call...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: vt: fix memory overlapping when deleting chars in the buffer CVE-2022-48627 In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: disallow timeout for anonymous sets CVE-2023-526...

OESA-2024-1862 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: KVM: PPC: Fix kvmarchvcpuioctl vcpuload leak vcpuput is not called if the user copy fails. This can result in preempt notifier corruption and crashes, among othe...

DEBIAN-CVE-2024-40953

In the Linux kernel, the following vulnerability has been resolved: KVM: Fix a data race on lastboostedvcpu in kvmvcpuonspin Use READ,WRITEONCE to access kvm-lastboostedvcpu to ensure the loads and stores are atomic. In the extremely unlikely scenario the compiler tears the stores, it's...

CVE-2024-40953

In the Linux kernel, the following vulnerability has been resolved: KVM: Fix a data race on lastboostedvcpu in kvmvcpuonspin Use READ,WRITEONCE to access kvm-lastboostedvcpu to ensure the loads and stores are atomic. In the extremely unlikely scenario the compiler tears the stores, it's...

Linux kernel security vulnerabilities

Linux kernel is the kernel used by the Linux Foundation's open source operating system Linux. A security vulnerability exists in the Linux kernel that stems from a data contention issue in the kvmvcpuonspin function of the KVM virtualization component...

UBUNTU-CVE-2022-48763

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Forcibly leave nested virt when SMM state is toggled Forcibly leave nested virtualization operation if userspace toggles SMM state via KVMSETVCPUEVENTS or KVMSYNCX86EVENTS. If userspace forces the vCPU out of SMM while...

PT-2024-29195

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The issue is related to the KVM Kernel-based Virtual Machine on arm64 architecture, where a dangling pointer to a redistributor region could be stored in a vcpu when tearing down the...

CVE-2024-36953

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: vgic-v2: Check for non-NULL vCPU in vgicv2parseattr vgicv2parseattr is responsible for finding the vCPU that matches the user-provided CPUID, which of course may not be valid. If the ID is invalid, kvmgetvcpubyid...

DEBIAN-CVE-2024-36953

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: vgic-v2: Check for non-NULL vCPU in vgicv2parseattr vgicv2parseattr is responsible for finding the vCPU that matches the user-provided CPUID, which of course may not be valid. If the ID is invalid, kvmgetvcpubyid...

CVE-2024-36953

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: vgic-v2: Check for non-NULL vCPU in vgicv2parseattr vgicv2parseattr is responsible for finding the vCPU that matches the user-provided CPUID, which of course may not be valid. If the ID is invalid, kvmgetvcpubyid...

UBUNTU-CVE-2024-36953

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: vgic-v2: Check for non-NULL vCPU in vgicv2parseattr vgicv2parseattr is responsible for finding the vCPU that matches the user-provided CPUID, which of course may not be valid. If the ID is invalid, kvmgetvcpubyid...

CVE-2024-36953

CVE-2024-36953 affects the Linux kernel KVM for arm64 with vgic-v2. The issue: vgic_v2_parse_attr() searches for a vCPU matching the CPUID and may receive a NULL from kvm_get_vcpu_by_id() if the ID is invalid. Unlike the safe GICv3 flow, the code did not verify the returned vCPU object. Affected ...

CVE-2024-36953 KVM: arm64: vgic-v2: Check for non-NULL vCPU in vgic_v2_parse_attr()

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: vgic-v2: Check for non-NULL vCPU in vgicv2parseattr vgicv2parseattr is responsible for finding the vCPU that matches the user-provided CPUID, which of course may not be valid. If the ID is invalid, kvmgetvcpubyid...

SUSE CVE-2021-47296

In the Linux kernel, the following vulnerability has been resolved: KVM: PPC: Fix kvmarchvcpuioctl vcpuload leak vcpuput is not called if the user copy fails. This can result in preempt notifier corruption and crashes, among other issues...

DEBIAN-CVE-2021-47390

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Fix stack-out-of-bounds memory access from ioapicwriteindirect KASAN reports the following issue: BUG: KASAN: stack-out-of-bounds in kvmmakevcpusrequestmask+0x174/0x440 kvm Read of size 8 at addr ffffc9001364f638 by tas...