Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: hvnetvsc: Fixed a panic that occurred during namespace deletion with VF. The existing code moves the VF NIC to a new namespace when NETDEVREGISTER is received on the netvsc NIC. During the deletion of the namespace,...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: hvnetvsc: Fixed a race condition between netvscprobe and netvscremove. In commit ac5047671758 “hvnetvsc: Disabling NAPI before closing the VMBus channel”, napidisable was called for all channels, including all subchannels, withou...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: hvnetvsc: The NETDEVICEREGISTER call was missed when registering VF in netvscprobe. If the hvnetvsc driver is unloaded and reloaded, the NETDEVICEREGISTER handler cannot successfully register VF, as the register call is received...

Astra Linux – Vulnerability in Linux 5.10, Linux

A issue was discovered in the Linux kernel through version 5.16-rc6. The function netvscgetethtoolstats in the drivers/net/hyperv/netvscdrv.c file lacks a check on the return value of kvmallocarray, which can lead to a null pointer derefrence...

The vulnerability of the netvsc_copy_to_send_buf() function in the drivers/net/hyperv.netvsc.c driver for Linux kernel-based network devices allows a attacker to cause a service failure.

The vulnerability of the netvsccopytosendbuf function in the drivers/net/hyperv.netvsc.c file of the Linux kernel network device driver is related to errors during pointer scaling. Exploiting this vulnerability could allow a remote attacker to cause a service failure...

K000162723: Linux kernel vulnerability CVE-2026-53199

Security Advisory Description 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 sk...

Linux Distros Unpatched Vulnerability : CVE-2026-53199

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - hvnetvsc: use kmaplocalpage in netvsccopytosendbuf netvsccopytosendbuf copies page buffer entries into the VMBus send buffer using phystovirt on the entry PFN...

hv_netvsc: use kmap_local_page in netvsc_copy_to_send_buf

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SUSE CVE-2026-53199

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

A flaw was found in the Linux kernel's Hyper-V network virtual service client hvnetvsc component. This vulnerability occurs in the netvsccopytosendbuf function, where incorrect memory mapping of page buffer entries can lead to a system fault. Specifically, on 32-bit x86 systems with high memory...

CVE-2026-53199

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...

UBUNTU-CVE-2026-53199

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

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 hv_netvsc: use kmap_local_page in netvsc_copy_to_send_buf

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

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...

Astra Linux – Vulnerability in Linux 6.12

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

PT-2026-52295

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the netvsc copy to send buf function where page buffer entries are copied into the VMBus send buffer using phys to virt on the entry PFN. On 32-bit x86 systems with...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: hvnetvsc: Do not free decrypted memory. In CoCo VMs, it is possible for the untrusted host to cause setmemoryencrypted or setmemorydecrypted to fail, resulting in an error and the memory being retained. Callers must take care to...

The vulnerability of the free_netvsc_device() function in the drivers/net/hyperv.netvsc.c driver module of the Linux kernel operating system allows a hacker to cause a service failure.

The vulnerability of the freenetvscdevice function in the drivers/net/hyperv.netvsc.c driver for Linux network devices is related to security configuration errors. Exploiting this vulnerability could allow an attacker to cause service failures...

SUSE CVE-2026-23054

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...