CVE-2024-36912

In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: vmbus: Track decrypted status in vmbusgpadl In CoCo VMs it is possible for the untrusted host to cause setmemoryencrypted or setmemorydecrypted to fail such that an error is returned and the resulting memory is share...

CVE-2024-36913

In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: vmbus: Leak pages if setmemoryencrypted fails In CoCo VMs it is possible for the untrusted host to cause setmemoryencrypted or setmemorydecrypted to fail such that an error is returned and the resulting memory is...

UBUNTU-CVE-2024-36910

In the Linux kernel, the following vulnerability has been resolved: uiohvgeneric: Don't free decrypted memory In CoCo VMs it is possible for the untrusted host to cause setmemoryencrypted or setmemorydecrypted to fail such that an error is returned and the resulting memory is shared. Callers need...

CVE-2024-36913 Drivers: hv: vmbus: Leak pages if set_memory_encrypted() fails

In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: vmbus: Leak pages if setmemoryencrypted fails In CoCo VMs it is possible for the untrusted host to cause setmemoryencrypted or setmemorydecrypted to fail such that an error is returned and the resulting memory is...

CVE-2024-36912 Drivers: hv: vmbus: Track decrypted status in vmbus_gpadl

In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: vmbus: Track decrypted status in vmbusgpadl In CoCo VMs it is possible for the untrusted host to cause setmemoryencrypted or setmemorydecrypted to fail such that an error is returned and the resulting memory is share...

CVE-2024-36909

CVE-2024-36909 : In the Linux kernel, Drivers: hv: vmbus: Don’t free ring buffers that couldn’t be re-encrypted. In CoCo VMs, an untrusted host can cause set_memory_encrypted()/set_memory_decrypted() to fail, leading to decrypted/shared memory being returned to the page allocator. The VMBus ring ...

CVE-2024-36909 Drivers: hv: vmbus: Don't free ring buffers that couldn't be re-encrypted

In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: vmbus: Don't free ring buffers that couldn't be re-encrypted In CoCo VMs it is possible for the untrusted host to cause setmemoryencrypted or setmemorydecrypted to fail such that an error is returned and the resultin...

Linux kernel security vulnerabilities

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, which stems from a leaked page issue in the Drivers:hv:vmbus module...

CVE-2021-47465

A possible stack corruption flaw was found in the Linux kernel in idlekvmstartguest. This issue may lead to compromised availability...

CVE-2021-47465

CVE-2021-47465 is a Linux kernel vulnerability affecting the PPC Book3S HV emergency stack handling. The issue occurred in idle_kvm_start_guest(), where the previous approach stored CR/LR and stack frames on the emergency stack without ensuring a valid frame boundary, causing writes outside the e...

SUSE CVE-2024-26820

In the Linux kernel, the following vulnerability has been resolved: hvnetvsc: Register VF in netvscprobe if NETDEVICEREGISTER missed If hvnetvsc driver is unloaded and reloaded, the NETDEVICEREGISTER handler cannot perform VF register successfully as the register call is received before netvscpro...

DEBIAN-CVE-2024-26820

In the Linux kernel, the following vulnerability has been resolved: hvnetvsc: Register VF in netvscprobe if NETDEVICEREGISTER missed If hvnetvsc driver is unloaded and reloaded, the NETDEVICEREGISTER handler cannot perform VF register successfully as the register call is received before netvscpro...

SUSE CVE-2021-47217

In the Linux kernel, the following vulnerability has been resolved: x86/hyperv: Fix NULL deref in sethvtscchangecb if Hyper-V setup fails Check for a valid hvvpindex array prior to derefencing hvvpindex when setting Hyper-V's TSC change callback. If Hyper-V setup failed in hypervinit, the kernel...

DEBIAN-CVE-2021-47217

In the Linux kernel, the following vulnerability has been resolved: x86/hyperv: Fix NULL deref in sethvtscchangecb if Hyper-V setup fails Check for a valid hvvpindex array prior to derefencing hvvpindex when setting Hyper-V's TSC change callback. If Hyper-V setup failed in hypervinit, the kernel...

UBUNTU-CVE-2021-47217

In the Linux kernel, the following vulnerability has been resolved: x86/hyperv: Fix NULL deref in sethvtscchangecb if Hyper-V setup fails Check for a valid hvvpindex array prior to derefencing hvvpindex when setting Hyper-V's TSC change callback. If Hyper-V setup failed in hypervinit, the kernel...

UBUNTU-CVE-2024-26698

In the Linux kernel, the following vulnerability has been resolved: hvnetvsc: Fix race condition between netvscprobe and netvscremove In commit ac5047671758 "hvnetvsc: Disable NAPI before closing the VMBus channel", napidisable was getting called for all channels, including all subchannels withou...

DEBIAN-CVE-2021-47070

In the Linux kernel, the following vulnerability has been resolved: uiohvgeneric: Fix another memory leak in error handling paths Memory allocated by 'vmbusallocring' at the beginning of the probe function is never freed in the error handling path. Add the missing 'vmbusfreering' call. Note that ...

DEBIAN-CVE-2021-47071

In the Linux kernel, the following vulnerability has been resolved: uiohvgeneric: Fix a memory leak in error handling paths If 'vmbusestablishgpadl' fails, the recv|sendgpadl will not be updated and 'hvuiocleanup' in the error handling path will not be able to free the corresponding buffer. In su...

UBUNTU-CVE-2021-47071

In the Linux kernel, the following vulnerability has been resolved: uiohvgeneric: Fix a memory leak in error handling paths If 'vmbusestablishgpadl' fails, the recv|sendgpadl will not be updated and 'hvuiocleanup' in the error handling path will not be able to free the corresponding buffer. In su...

UBUNTU-CVE-2021-47070

In the Linux kernel, the following vulnerability has been resolved: uiohvgeneric: Fix another memory leak in error handling paths Memory allocated by 'vmbusallocring' at the beginning of the probe function is never freed in the error handling path. Add the missing 'vmbusfreering' call. Note that ...