305 matches found
CVE-2024-36912
The CVE-2024-36912 issue affects the Linux kernel hv: vmbus in Hyper-V guest mode. In CoCo VMs, an untrusted host could induce set_memory_encrypted() or set_memory_decrypted() to fail, causing decrypted/shared memory to be returned to the page allocator. The patch adds a field in struct vmbus_gpa...
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...
CVE-2024-36910 uio_hv_generic: Don't free decrypted memory
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-2024-36910 uio_hv_generic: Don't free decrypted memory
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-2024-36909 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...
CVE-2024-36910 uio_hv_generic: Don't free decrypted memory
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-2024-36909
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...
CVE-2024-36913: Exposure of Sensitive System Information Due to Uncleared Debug Information
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-2024-36909: Missing Release of Memory after Effective Lifetime
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 vulnerability in the Drivers:hv:vmbus module...
CVE-2024-36912: Exposure of Sensitive System Information Due to Uncleared Debug Information
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...
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-2024-36910: Exposure of Sensitive Information to an Unauthorized Actor
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...
kernel: Drivers: hv: vmbus: Don't dereference ACPI root object handle
A NULL pointer dereference flaw was found in the Linux kernel's Hyper-V VMBus driver in the ACPI resource walking logic. A local user can trigger this issue on systems running under hypervisors that do not provide Hyper-V MMIO ranges in the VMBus ACPI device hierarchy, causing the driver to walk ...
OESA-2024-1487 kernel security update
The Linux Kernel, the operating system core itself. Security Fixes: 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...
PT-2024-27204
Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.6.37 Description The issue arises in CoCo VMs where an untrusted host can cause set memory encrypted or set memory decrypted to fail, leading to shared memory. Callers must handle these errors to prevent...
PT-2024-27203
Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description In CoCo VMs, it is possible for the untrusted host to cause set memory encrypted or set memory decrypted to fail, resulting in shared memory. Callers need to handle these errors to avoid...
CVE-2024-26254
CVE-2024-26254 is a Denial-of-Service in Microsoft Windows Virtual Machine Bus (VMBus). The provided OpenVAS listings confirm VMBus involvement, but do not disclose a concrete root cause, exploit technique, affected product versions, or a remediation in these documents. No patch details are expli...