CVE-2026-98004
N/A
N/A
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 856c0cfe5c5f6a2cc8d995872eb67bff9c68c57c < 6d4c12ab9ab8db87411c863a54e0e97f9197afde | affected |
| Linux | Linux | 856c0cfe5c5f6a2cc8d995872eb67bff9c68c57c < ca58afa40946acd252a50fa4d4a86f15847a3d7d | affected |
| Linux | Linux | 6.13 | affected |
| Linux | Linux | 0 < 6.13 | unaffected |
| Linux | Linux | 7.2.7 <= 7.2.* | unaffected |
| Linux | Linux | 7.3-rc3 <= * | unaffected |
Weaknesses
References
- https://git.kernel.org/stable/c/6d4c12ab9ab8db87411c863a54e0e97f9197afde
- https://git.kernel.org/stable/c/ca58afa40946acd252a50fa4d4a86f15847a3d7d
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