CVE-2026-98639

The Linux kernel contains a vulnerability in the KVM module related to riscv architecture. The function __kvm_riscv_nacl_hfence() incorrectly writes the Config word before updating the Page_Number and Page_Count words. This violates the SBI v3.0 specification and allows the SBI implementation or ...

EUVD-2026-103553

In the Linux kernel, the following vulnerability has been resolved: KVM: riscv: Fix NACL hfence entry update order The SBI v3.0 specification section 15.1.2 requires a nested HFENCE entry to be populated as follows: 1 find an unused entry with Config.Pending == 0 2 update the PageNumber and...

CVE-2026-98639 KVM: riscv: Fix NACL hfence entry update order

In the Linux kernel, the following vulnerability has been resolved: KVM: riscv: Fix NACL hfence entry update order The SBI v3.0 specification section 15.1.2 requires a nested HFENCE entry to be populated as follows: 1 find an unused entry with Config.Pending == 0 2 update the PageNumber and...