Linux kernel security vulnerabilities

The 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 the existence of post-release reuse of vmbusopen...

CVE-2021-47049: Use After Free

In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: vmbus: Use after free in vmbusopen The "openinfo" variable is added to the &vmbusconnection.chnmsglist, but the error handling frees "openinfo" without removing it from the list. This will result in a use after free...

PT-2025-41091

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel’s VMBus client driver has an issue where it attempts to access resources of the ACPI namespace root object, which has an all-ones handle. This can lead to a NULL pointer...

PT-2023-36703

Уязвимость функции vmbus acpi add модуля drivers/hv/vmbus drv.c драйвера гостевого режима Microsoft HyperV ядра операционной системы Linux связана с разыменованием указателей. Эксплуатация уязвимости может позволить нарушителю вызвать отказ в обслуживании...

kernel: Drivers: vmbus: Check for channel allocation before looking up relids

In the Linux kernel, the following vulnerability has been resolved: Drivers: vmbus: Check for channel allocation before looking up relids relid2channel assumes vmbus channel array to be allocated when called. However, in cases such as kdump/kexec, not all relids will be reset by the host. When th...

kernel: Drivers: hv: vmbus: Fix potential crash on module unload

In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: vmbus: Fix potential crash on module unload The vmbus driver relies on the panic notifier infrastructure to perform some operations when a panic event is detected. Since vmbus can be built as module, it is required...

GSD-2022-1002314 Drivers: hv: vmbus: Fix potential crash on module unload

Drivers: hv: vmbus: Fix potential crash on module unload This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.19.238 by commit...

GSD-2022-1001985 Drivers: hv: vmbus: Fix potential crash on module unload

Drivers: hv: vmbus: Fix potential crash on module unload This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.10.111 by commit...

GSD-2022-1001697 Drivers: hv: vmbus: Fix potential crash on module unload

Drivers: hv: vmbus: Fix potential crash on module unload This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.15.34 by commit...

GSD-2022-1001369 Drivers: hv: vmbus: Fix potential crash on module unload

Drivers: hv: vmbus: Fix potential crash on module unload This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.16.20 by commit...

GSD-2022-1001028 Drivers: hv: vmbus: Fix initialization of device object in vmbus_device_register()

Drivers: hv: vmbus: Fix initialization of device object in vmbusdeviceregister This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.17.3 by commit...

GSD-2022-1001026 Drivers: hv: vmbus: Fix potential crash on module unload

Drivers: hv: vmbus: Fix potential crash on module unload This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.17.3 by commit...

GSD-2022-1000973 Drivers: hv: vmbus: Deactivate sysctl_record_panic_msg by default in isolated guests

Drivers: hv: vmbus: Deactivate sysctlrecordpanicmsg by default in isolated guests This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.17.4 by...

PT-2022-29301

Name of the Vulnerable Software and Affected Versions Linux Kernel versions v5.17 through v5.17.2 Description The issue concerns the initialization of a device object in the vmbus device register function. It was introduced in version v5.17 and fixed in version v5.17.3. The actual impact and atta...

PT-2022-29970

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.15.34 Description A potential crash issue was identified in the Linux Kernel, specifically in the hv: vmbus module. The actual impact and attack plausibility have not yet been proven. Recommendations For Linux...

PT-2022-29642

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.16.20 Description A potential crash issue was identified in the Linux Kernel, specifically in the hv: vmbus module. The actual impact and attack plausibility have not yet been proven. Recommendations For Linux...

PT-2022-29299

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.17.3 Description A potential crash issue was identified in the Linux Kernel, specifically in the hv: vmbus module. The actual impact and attack plausibility have not yet been proven. Recommendations For Linux...

PT-2022-30461

Name of the Vulnerable Software and Affected Versions Linux Kernel versions 5.4.35 through 5.4.188 Description A potential crash issue was identified in the Linux Kernel, specifically in the hv: vmbus module. The actual impact and attack plausibility have not yet been proven. Recommendations For...

PT-2022-30258

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.10.111 Description A potential crash issue was identified in the hv: vmbus driver. The actual impact and attack plausibility have not yet been proven. This issue was introduced in version v5.7 and is fixed in...

PT-2022-30587

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v4.19.238 Description A potential crash issue was identified in the Linux Kernel, specifically in the hv: vmbus module. The actual impact and attack plausibility have not yet been proven. Recommendations For Linu...