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.
Published: 2026-09-25
Score: n/a
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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History

Fri, 25 Sep 2026 17:00:00 +0000

Type Values Removed Values Added
Weaknesses CWE-395

Fri, 25 Sep 2026 10:30:00 +0000

Type Values Removed Values Added
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.
Title iommu/riscv: Serialize command queue publishing
First Time appeared Linux
Linux linux Kernel
CPEs cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Vendors & Products Linux
Linux linux Kernel
References

Subscriptions

Linux Linux Kernel
cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published:

Updated: 2026-09-25T10:23:31.134Z

Reserved: 2026-09-25T10:19:56.068Z

Link: CVE-2026-98004

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-25T11:17:28.637

Modified: 2026-09-25T11:17:28.637

Link: CVE-2026-98004

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-25T16:45:08Z

Weaknesses