{"id":"CVE-2026-98004","title":"In the Linux kernel, the following vulnerability has been resolved:\n\niommu/riscv: Serialize command queue publishing\n\nSerialize command queue publishing so software producer state advances only\nafter a command is written and the hardware…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\niommu/riscv: Serialize command queue publishing\n\nSerialize command queue publishing so software producer state advances only\nafter a command is written and the hardware…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 856c0cfe5c5f6a2cc8d995872eb67bff9c68c57c < 6d4c12ab9ab8db87411c863a54e0e97f9197afde","Linux >= 856c0cfe5c5f6a2cc8d995872eb67bff9c68c57c < ca58afa40946acd252a50fa4d4a86f15847a3d7d","Linux 6.13"],"published":"2026-09-25","updated":"2026-09-25","sourceUpdated":"2026-09-25T11:17:28.637","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-98004","references":[{"url":"https://git.kernel.org/stable/c/6d4c12ab9ab8db87411c863a54e0e97f9197afde","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/ca58afa40946acd252a50fa4d4a86f15847a3d7d","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-09-25T11:06:38.861Z","slug":"CVE-2026-98004","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\niommu/riscv: Serialize command queue publishing\n\nSerialize command queue publishing so software producer state advances only\nafter a command is written and the hardware tail is updated. Wait for\nhardware consumption outside the queue lock when the command queue is full\nso other CPUs are not blocked behind a long poll.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}