RDMA/irdma: Add refcounting to user ring MRs (Linux Linux)

CVE-2026-93154
HIGH 7.8

At a glance

Source
NVD
EPSS
EPSS 0.17 % · percentile 6 ()
State
PUBLISHED
Published
Updated
Assigner
Linux
NVD status
Received

Description

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.

References

Scores

VersionScoreVectorScored by
CVSS 3.1HIGH 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HLinux
CVSS 3.1HIGH 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HNVD · 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Secondary)

European references

CERT-FR advisories

Affected products

ProductVersions
Linux · Linuxaffected b48c24c2d710cf34810c555dcef883a3d35a9c08 < 07974c267f603a76aead348bca97deee95efdcc9 ; affected b48c24c2d710cf34810c555dcef883a3d35a9c08 < a6c0e693a7c881bfa43ac74cbcad1f8e10f1382b ; affected b48c24c2d710cf34810c555dcef883a3d35a9c08 < f67d8a08f60c9217df6d40da56422d2049f5e334
Linux · Linuxaffected 5.14 ; unaffected 0 < 5.14 ; unaffected 6.18.52 ≤ 6.18.* ; unaffected 7.2.6 ≤ 7.2.* ; unaffected 7.3 ≤ *

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD