CVE-2026-93154

CVE-2026-93154

High · published September 17, 2026

CVSS v3.1
7.8
EPSS
0%
Percentile
5.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00166 · 5.5th percentile
Published
2026-09-17T21:18Z
References (3)
https://git.kernel.org/stable/c/07974c267f603a76aead348bca97deee95efdcc9 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a6c0e693a7c881bfa43ac74cbcad1f8e10f1382b · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f67d8a08f60c9217df6d40da56422d2049f5e334 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67
EPSS history
Timeline
  • 19 SEP 03:55Z
    EPSS moved — → 0%
    epss
  • 17 SEP 16:11Z
    RDMA/irdma: Add refcounting to user ring MRs
    cvelistv5