Riskcovery

CVE-2026-98004

iommu/riscv: Serialize command queue publishing

State
Published
Severity
Not scored
Published
Sep 25, 2026
Updated
Oct 19, 2026
Reserved
Sep 25, 2026

Read the record on cve.org

Description

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

iommu/riscv: Serialize command queue publishing

Serialize command queue publishing so software producer state advances only after a command is written and the hardware tail is updated. Wait for hardware consumption outside the queue lock when the command queue is full so other CPUs are not blocked behind a long poll.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • 856c0cfe5c5f6a2cc8d995872eb67bff9c68c57c to before 787405e9e7bdc53ea7e063fe7b855171b4bd0e91Affected
  • 856c0cfe5c5f6a2cc8d995872eb67bff9c68c57c to before 6d4c12ab9ab8db87411c863a54e0e97f9197afdeAffected
  • 856c0cfe5c5f6a2cc8d995872eb67bff9c68c57c to before ca58afa40946acd252a50fa4d4a86f15847a3d7dAffected
LinuxLinux
  • 6.13Affected
  • before 6.13Not affected
  • 6.18.57 through 6.18.*Not affected
  • 7.2.7 through 7.2.*Not affected
  • 7.3 and laterNot affected

References

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