UBUNTU-CVE-2021-47049

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...

CVE-2021-47049

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...

CVE-2021-47049 Drivers: hv: vmbus: Use after free in __vmbus_open()

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...

CVE-2021-47049

CVE-2021-47049 affects the Linux kernel driver hv: vmbus. The vulnerability is a use-after-free in __vmbus_open() caused by freeing open_info without removing it from the vmbus_connection. The fix is to remove open_info from the chn_msg_list before freeing it (explicit in the advisory). Impact is...

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...

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...

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...

GSD-2022-1000562 Drivers: hv: vmbus: Fix memory leak in vmbus_add_channel_kobj

Drivers: hv: vmbus: Fix memory leak in vmbusaddchannelkobj 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 v5.16.11 by commit...

GSD-2022-1000478 Drivers: hv: vmbus: Fix memory leak in vmbus_add_channel_kobj

Drivers: hv: vmbus: Fix memory leak in vmbusaddchannelkobj 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 v5.15.25 by commit...

GSD-2022-1000358 Drivers: hv: vmbus: Fix memory leak in vmbus_add_channel_kobj

Drivers: hv: vmbus: Fix memory leak in vmbusaddchannelkobj 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 v5.4.181 by commit...

GSD-2022-1000332 Drivers: hv: vmbus: Fix memory leak in vmbus_add_channel_kobj

Drivers: hv: vmbus: Fix memory leak in vmbusaddchannelkobj 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 v4.19.231 by commit...

Microsoft & Adobe Patch Tuesday (November 2021) – Microsoft 55 Vulnerabilities with 6 Critical, 6 Zero-Days. Adobe 4 Vulnerabilities

Microsoft Patch Tuesday – November 2021 Microsoft patched 55 vulnerabilities in their November 2021 Patch Tuesday release, of which six are rated as critical severity and six were previously reported as zero-days. Critical Microsoft Vulnerabilities Patched CVE-2021-42298 - Microsoft Defender Remo...