iommu/riscv: Serialize command queue publishing
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.
CVE-2026-98004
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-98004
Linux
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Linux
Source reference: /containers/cna/affected/1/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "856c0cfe5c5f6a2cc8d995872eb67bff9c68c57c",
"lessThan": "787405e9e7bdc53ea7e063fe7b855171b4bd0e91",
"versionType": "git"
},
{
"status": "affected",
"version": "856c0cfe5c5f6a2cc8d995872eb67bff9c68c57c",
"lessThan": "6d4c12ab9ab8db87411c863a54e0e97f9197afde",
"versionType": "git"
},
{
"status": "affected",
"version": "856c0cfe5c5f6a2cc8d995872eb67bff9c68c57c",
"lessThan": "ca58afa40946acd252a50fa4d4a86f15847a3d7d",
"versionType": "git"
}
],
"programFiles": [
"drivers/iommu/riscv/iommu.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "6.13"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "6.13",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "6.18.57",
"versionType": "semver",
"lessThanOrEqual": "6.18.*"
},
{
"status": "unaffected",
"version": "7.2.7",
"versionType": "semver",
"lessThanOrEqual": "7.2.*"
},
{
"status": "unaffected",
"version": "7.3",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"drivers/iommu/riscv/iommu.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-98004
Source reference:
/cveMetadata/cveId
Publisher severity
No explicit severity was provided.
- Event
- #38131 · Revision 1
- Added to Heist Feed
- Publisher date