iommu/riscv: Serialize command queue publishing
CVE-2026-98004 is fixed in linux on 1 platform by DEBIAN-CVE-2026-98004 (version 7.2.7-1), released October 2, 2026. It is not reported as exploited. Patch Radar priority: Routine.
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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| linux · Debian 14 | 7.2.7-1 | DEBIAN-CVE-2026-98004 | Oct 2, 2026 |
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