CVE-2023-52825

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Fix a race condition of vram buffer unref in svm code prange-svmbo unref can happen in both mmu callback and a callback after migrate to system ram. Both are async call in different tasks. Sync svmbo unref operation t...

UBUNTU-CVE-2023-52825

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Fix a race condition of vram buffer unref in svm code prange-svmbo unref can happen in both mmu callback and a callback after migrate to system ram. Both are async call in different tasks. Sync svmbo unref operation t...

CVE-2023-52825 drm/amdkfd: Fix a race condition of vram buffer unref in svm code

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Fix a race condition of vram buffer unref in svm code prange-svmbo unref can happen in both mmu callback and a callback after migrate to system ram. Both are async call in different tasks. Sync svmbo unref operation t...

CVE-2021-47389

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: fix missing sevdecommission in sevreceivestart DECOMMISSION the current SEV context if binding an ASID fails after RECEIVESTART. Per AMD's SEV API, RECEIVESTART generates a new guest context and thus needs to be paired...

CVE-2021-47389

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: fix missing sevdecommission in sevreceivestart DECOMMISSION the current SEV context if binding an ASID fails after RECEIVESTART. Per AMD's SEV API, RECEIVESTART generates a new guest context and thus needs to be paired...

UBUNTU-CVE-2021-47410

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: fix svmmigratefini warning Device manager releases device-specific resources when a driver disconnects from a device, devmmemunmappages and devmreleasememregion calls in svmmigratefini are redundant. It causes below...

CVE-2021-47389

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: fix missing sevdecommission in sevreceivestart DECOMMISSION the current SEV context if binding an ASID fails after RECEIVESTART. Per AMD's SEV API, RECEIVESTART generates a new guest context and thus needs to be paired...

CVE-2021-47389

The Linux kernel contains a vulnerability in the KVM: SVM virtualization subsystem within the arch/x86/kvm/svm/sev.c module. The issue stems from a missing sev_decommission call during the sev_receive_start operation. According to AMD's SEV API, RECEIVE_START generates a new guest context and mus...

CVE-2021-47389 KVM: SVM: fix missing sev_decommission in sev_receive_start

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: fix missing sevdecommission in sevreceivestart DECOMMISSION the current SEV context if binding an ASID fails after RECEIVESTART. Per AMD's SEV API, RECEIVESTART generates a new guest context and thus needs to be paired...

CVE-2021-47389

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: fix missing sevdecommission in sevreceivestart DECOMMISSION the current SEV context if binding an ASID fails after RECEIVESTART. Per AMD's SEV API, RECEIVESTART generates a new guest context and thus needs to be paired...

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 a problem with the drm/amdkfd module svmmigratefini...

CVE-2021-47389: Missing Release of Resource after Effective Lifetime

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: fix missing sevdecommission in sevreceivestart DECOMMISSION the current SEV context if binding an ASID fails after RECEIVESTART. Per AMD's SEV API, RECEIVESTART generates a new guest context and thus needs to be paired...

CVE-2024-35791

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Flush pages under kvm-lock to fix UAF in svmregisterencregion Do the cache flush of converted pages in svmregisterencregion before dropping kvm-lock to fix use-after-free issues where region and/or its array of pages...

CVE-2024-35791

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Flush pages under kvm-lock to fix UAF in svmregisterencregion Do the cache flush of converted pages in svmregisterencregion before dropping kvm-lock to fix use-after-free issues where region and/or its array of pages...

CVE-2024-35791 KVM: SVM: Flush pages under kvm->lock to fix UAF in svm_register_enc_region()

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Flush pages under kvm-lock to fix UAF in svmregisterencregion Do the cache flush of converted pages in svmregisterencregion before dropping kvm-lock to fix use-after-free issues where region and/or its array of pages...

CVE-2024-35791 KVM: SVM: Flush pages under kvm->lock to fix UAF in svm_register_enc_region()

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Flush pages under kvm-lock to fix UAF in svmregisterencregion Do the cache flush of converted pages in svmregisterencregion before dropping kvm-lock to fix use-after-free issues where region and/or its array of pages...

CVE-2024-35791: Use After Free

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Flush pages under kvm-lock to fix UAF in svmregisterencregion Do the cache flush of converted pages in svmregisterencregion before dropping kvm-lock to fix use-after-free issues where region and/or its array of pages...

CVE-2021-47062

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Use onlinevcpus, not createdvcpus, to iterate over vCPUs Use the kvmforeachvcpu helper to iterate over vCPUs when encrypting VMSAs for SEV, which effectively switches to use onlinevcpus instead of createdvcpus. This fix...

CVE-2021-47062

The CVE-2021-47062 vulnerability affects the Linux kernel KVM SVM path. The issue occurs when iterating vCPUs for SEV-encrypted VMSAs using created_vcpus, which does not guarantee a vCPU’s existence and can trigger a NULL pointer dereference. The documented fix switches to iterating with online_v...

CVE-2021-47062 KVM: SVM: Use online_vcpus, not created_vcpus, to iterate over vCPUs

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Use onlinevcpus, not createdvcpus, to iterate over vCPUs Use the kvmforeachvcpu helper to iterate over vCPUs when encrypting VMSAs for SEV, which effectively switches to use onlinevcpus instead of createdvcpus. This fix...