CVE-2026-53057

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

State: Published
Severity: 8.8 High
Published: Jun 24, 2026
Updated: Aug 5, 2026
Reserved: Jun 9, 2026

Description

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).

Scores

CVSS	Score	Vector	Source
3.1	8.8 High	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H	Linux

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	488ffbf181718b9ad8c1838cb249d60973e78eda to before 3f917d9bff68600f77561900f3145bd4706dc840Affected 488ffbf181718b9ad8c1838cb249d60973e78eda to before d99d1c13faa793ff1abab0d20ab6473c838081b3Affected 488ffbf181718b9ad8c1838cb249d60973e78eda to before f5c262b544975e067ea265fc7403aefbbea8563eAffected
LinuxLinux	6.13Affected before 6.13Not affected 6.18.33 through 6.18.Not affected 7.0.10 through 7.0.Not affected 7.1 and laterNot affected

References

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