High
RDMA/irdma: Add refcounting to user ring MRs
In the Linux kernel, the following vulnerability has been resolved: RDMA/irdma: Add refcounting to user ring MRs Prevent userspace from deregistering the MRs that back QP/CQ/SRQ rings by bumping the MR's refcount upon association.
Announced Source revision 1
Original source ↗CVE-2026-93154
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-2026-93154
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": "b48c24c2d710cf34810c555dcef883a3d35a9c08",
"lessThan": "07974c267f603a76aead348bca97deee95efdcc9",
"versionType": "git"
},
{
"status": "affected",
"version": "b48c24c2d710cf34810c555dcef883a3d35a9c08",
"lessThan": "a6c0e693a7c881bfa43ac74cbcad1f8e10f1382b",
"versionType": "git"
},
{
"status": "affected",
"version": "b48c24c2d710cf34810c555dcef883a3d35a9c08",
"lessThan": "f67d8a08f60c9217df6d40da56422d2049f5e334",
"versionType": "git"
}
],
"programFiles": [
"drivers/infiniband/hw/irdma/utils.c",
"drivers/infiniband/hw/irdma/verbs.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "5.14"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "5.14",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "6.18.52",
"versionType": "semver",
"lessThanOrEqual": "6.18.*"
},
{
"status": "unaffected",
"version": "7.2.6",
"versionType": "semver",
"lessThanOrEqual": "7.2.*"
},
{
"status": "unaffected",
"version": "7.3",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"drivers/infiniband/hw/irdma/utils.c",
"drivers/infiniband/hw/irdma/verbs.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-93154
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #37871 · Revision 1
- Added to Heist Feed
- Publisher date