CVE-2021-28476-tools-env

pack test and exploitdev for POC CVE-2021-28476 from bluefrostsecurity researcher installation guide: cd tools/ ./addtopathtools.sh addition tools for /usr/bin/ remove tools from /usr/bin: cd tools/ ./deltopathtools.sh tools: pocinit: description: preinit env guest host for compile POC see...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-100723)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-100723 advisory. In the Linux kernel, the following vulnerability has been resolved: hvnetvsc: use kmaplocalpage in netvsccopytosendbuf netvsccopytosendbuf copies page buffer entrie...

AZL-90767 CVE-2026-53199 affecting package kernel for versions less than 6.6.143.1-1

In the Linux kernel, the following vulnerability has been resolved: hvnetvsc: use kmaplocalpage in netvsccopytosendbuf netvsccopytosendbuf copies page buffer entries into the VMBus send buffer using phystovirt on the entry PFN. Entries for the RNDIS header and the skb linear data come from...

EUVD-2026-39290

In the Linux kernel, the following vulnerability has been resolved: hvnetvsc: use kmaplocalpage in netvsccopytosendbuf netvsccopytosendbuf copies page buffer entries into the VMBus send buffer using phystovirt on the entry PFN. Entries for the RNDIS header and the skb linear data come from...

CVE-2026-53199: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: hvnetvsc: use kmaplocalpage in netvsccopytosendbuf netvsccopytosendbuf copies page buffer entries into the VMBus send buffer using phystovirt on the entry PFN. Entries for the RNDIS header and the skb linear data come from...

AZL-77226 CVE-2026-23054 affecting package kernel for versions less than 6.6.126.1-1

In the Linux kernel, the following vulnerability has been resolved: net: hvnetvsc: reject RSS hash key programming without RX indirection table RSS configuration requires a valid RX indirection table. When the device reports a single receive queue, rndisfilterdeviceadd does not allocate an...

CVE-2026-23054: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net: hvnetvsc: reject RSS hash key programming without RX indirection table RSS configuration requires a valid RX indirection table. When the device reports a single receive queue, rndisfilterdeviceadd does not allocate an...

The vulnerability of the hv_netvsc component in the Linux operating system allows a hacker to cause a service failure.

The vulnerability of the hvnetvsc component in the Linux operating system is related to the lack of synchronization. Exploiting this vulnerability allows an attacker to cause a service failure...

AZL-73830 CVE-2025-38683 affecting package kernel for versions less than 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: hvnetvsc: Fix panic during namespace deletion with VF The existing code move the VF NIC to new namespace when NETDEVREGISTER is received on netvsc NIC. During deletion of the namespace, defaultdeviceexitbatch defaultdeviceexitnet...

CVE-2025-38683 hv_netvsc: Fix panic during namespace deletion with VF

In the Linux kernel, the following vulnerability has been resolved: hvnetvsc: Fix panic during namespace deletion with VF The existing code move the VF NIC to new namespace when NETDEVREGISTER is received on netvsc NIC. During deletion of the namespace, defaultdeviceexitbatch defaultdeviceexitnet...

CVE-2025-38683: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: hvnetvsc: Fix panic during namespace deletion with VF The existing code move the VF NIC to new namespace when NETDEVREGISTER is received on netvsc NIC. During deletion of the namespace, defaultdeviceexitbatch defaultdeviceexitnet...

kernel: hv_netvsc: Fix race condition between netvsc_probe and netvsc_remove

A vulnerability was found in the hvnetvsc driver in the Linux kernel, where a race condition is present between the netvscprobe and netvscremove functions. This race condition could lead to system hangs during network device removal...

kernel: hv_netvsc: Fix race condition between netvsc_probe and netvsc_remove

A vulnerability was found in the hvnetvsc driver in the Linux kernel, where a race condition is present between the netvscprobe and netvscremove functions. This race condition could lead to system hangs during network device removal...

Important: Red Hat Security Advisory: kernel-rt security update

An update for kernel-rt is now available for Red Hat Enterprise Linux 9.2 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available f...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 9.2 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

RHEL 9 : kernel (RHSA-2024:4823)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:4823 advisory. kernel: vmwgfx: multiple flaws CVE-2022-36402, CVE-2022-40133, CVE-2022-38457, CVE-2023-5633 kernel: nftables: CVE-2024-26581 kernel: uio:...

CVE-2024-36911

In the Linux kernel, the following vulnerability has been resolved: hvnetvsc: 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 to...

CVE-2024-36911

In the Linux kernel, the following vulnerability has been resolved: hvnetvsc: 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 to...

CVE-2024-36911 hv_netvsc: Don't free decrypted memory

In the Linux kernel, the following vulnerability has been resolved: hvnetvsc: 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 to...

CVE-2024-36911

CVE-2024-36911 affects the Linux kernel hv_netvsc (Hyper-V host/guest networking). The root cause is that in CoCo VMs, a failure of set_memory_encrypted() or set_memory_decrypted() could cause memory to be shared and not properly freed. The netvsc driver could frees decrypted/shared pages if set_...