The vulnerability of the ioremap_cache() function in the Linux operating system allows a hacker to cause a service failure.

The vulnerability of the ioremapcache function in the Linux operating system’s kernel is related to improper initialization of the resource. Exploiting this vulnerability can allow an attacker to cause a service failure...

CVE-2025-40181 x86/kvm: Force legacy PCI hole to UC when overriding MTRRs for TDX/SNP

In the Linux kernel, the following vulnerability has been resolved: x86/kvm: Force legacy PCI hole to UC when overriding MTRRs for TDX/SNP When running as an SNP or TDX guest under KVM, force the legacy PCI hole, i.e. memory between Top of Lower Usable DRAM and 4GiB, to be mapped as UC via a forc...