UBUNTU-CVE-2025-21839

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Load DR6 with guest value only before entering .vcpurun loop Move the conditional loading of hardware DR6 with the guest's DR6 value out of the core .vcpurun loop to fix a bug where KVM can load hardware with a stale...

Video: Vitaly Kamluk on The Equation Group APT

Kaspersky Lab’s global research and analysis team uncovered what they claim is the most sophisticated advanced persistent threat group yet known. Known as the Equation Group, researchers led by GReAT director Costin Raiu say the threat actors have been operating for 15 years or more and are known...