CVE-2026-53057

Summary

In the Linux kernel, the following vulnerability has been resolved:

iommu/riscv: Add IOTINVAL after updating DDT/PDT entries

Add riscv_iommu_iodir_iotinval() to perform required TLB and context cache invalidations after updating DDT or PDT entries, as mandated by the RISC-V IOMMU specification (Section 6.3.1 and 6.3.2).

Affected Software

VendorProductVersion RangeStatus
LinuxLinux488ffbf181718b9ad8c1838cb249d60973e78eda < 3f917d9bff68600f77561900f3145bd4706dc840affected
LinuxLinux488ffbf181718b9ad8c1838cb249d60973e78eda < d99d1c13faa793ff1abab0d20ab6473c838081b3affected
LinuxLinux488ffbf181718b9ad8c1838cb249d60973e78eda < f5c262b544975e067ea265fc7403aefbbea8563eaffected
LinuxLinux6.13affected
LinuxLinux0 < 6.13unaffected
LinuxLinux6.18.33 <= 6.18.*unaffected
LinuxLinux7.0.10 <= 7.0.*unaffected
LinuxLinux7.1 <= *unaffected

Weaknesses

References