CVE-2026-53057

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description An issue exists in the RISC-V IOMMU implementation where TLB (Translation Lookaside Buffer) and context cache invalidations were not performed after updating Device Directory Table (DDT) or Page Directory Table (PDT) entries. This violates the RISC-V IOMMU specification. The fix involves the addition of the riscv iommu iodir iotinval() function to ensure the required invalidations are executed.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.