CVE-2026-53199

CVE-2026-53199 pertains to the Linux kernel hv_netvsc path, where netvsc_copy_to_send_buf previously used phys_to_virt() on page buffer PFNs and could fault when fragments referenced high mem/user pages on 32-bit x86 with HIGHMEM. The fix maps pages with kmap_local_page() and reconstructs native ...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: x86/hyperv: Disabling IBT when the hypercall page lacks the ENDBR instruction. On hardware that supports Indirect Branch Tracking IBT, Hyper-V VMs with ConfigVersion 9.3 or later support IBT in the guest. However, current version...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: Drivers: hv: vmbus: Disabled the option to deactivate sysctlrecordpanicmsg by default in isolated guests. hvpanicpage might contain information sensitive to guests; do not dump this information to Hyper-V by default in isolate...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: HID: hyperv: avoid struct memcpy overrun warning A previous patch addressed the fortified memcpy warning for most builds, but I still encounter this issue with gcc-9: In the file included from include/linux/string.h:254, from...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ixgbevf: added the missing negotiatefeatures operation to the Hyper-V ops table. The commit a7075f501bd3 “ixgbevf: fixed mailbox API compatibility by negotiating supported features” added the.negotiatefeatures callback to...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: clocksource: hyper-v: unexport init-annotated hvinitclocksource EXPORTSYMBOL and init are a poor combination, as the .init.text section is freed after initialization. As a result, modules cannot use symbols annotated with init...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: PCI: hv: Fixed double calls to idafree in the hvpciprobe error path. If hvpciprobe fails after storing the domain number in hbus-bridge-domainNr, a call to free this domainNr is made via pciBusReleaseEmulDomainNr. However, during...

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

In the Linux kernel, the following vulnerability has been resolved: scsi: storvsc: Fix handling of virtual Fibre Channel timeouts Hyper-V provides the ability to connect Fibre Channel LUNs to the host system and present them as SCSI devices in a guest VM. I/O to the vFC device is handled by the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: fbdev: hypervfb: Fixed a hang that occurred in the kdump kernel when running on Hyper-V Gen 2 VMs. Hyper-V Gen 2 VMs boot via EFI and have a standard EFI framebuffer device. When the kdump kernel runs in such a VM, loading the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: vmbus: Do not dereference the ACPI root object handle Since the commit referenced in the Fixes section below the VMBus client driver is walking through the ACPI namespace, starting from the VMBus ACPI device up to th...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: x86/hyperv: Fixed a NULL dereferencing in sethvtscchangecb if the Hyper-V setup fails. Checked for a valid hvvpindex array before dereferencing hvvpindex when setting Hyper-V’s TSC change callback. If Hyper-V setup fails in...

CVE-2026-42972

Exposure of sensitive information to an unauthorized actor in Windows Hyper-V allows an authorized attacker to disclose information locally...

CVE-2026-47652

Out-of-bounds read in Windows Hyper-V allows an unauthorized attacker to execute code locally...

CVE-2026-45641

Out-of-bounds read in Windows Hyper-V allows an unauthorized attacker to execute code locally...

CVE-2026-45607

Out-of-bounds read in Windows Hyper-V allows an unauthorized attacker to execute code locally...

EUVD-2026-35517

Out-of-bounds read in Windows Hyper-V allows an unauthorized attacker to execute code locally...

EUVD-2026-35686

Out-of-bounds read in Windows Hyper-V allows an unauthorized attacker to execute code locally...

CVE-2026-47652

Out-of-bounds read in Windows Hyper-V allows an unauthorized attacker to execute code locally...

CVE-2026-45641

Out-of-bounds read in Windows Hyper-V allows an unauthorized attacker to execute code locally...

CVE-2026-45607

Out-of-bounds read in Windows Hyper-V allows an unauthorized attacker to execute code locally...