Back to CVE records
High 7.8Published Sep 17, 2026
CVE-2026-93154RDMA/irdma: Add refcounting to user ring MRs
Updated under an hour ago ()
Does this affect you?
It affects Linux. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
Do this next
Start free and add your stack
Free account, 1 product
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.
- CVSS
- 7.8 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Linux
- NVD analysis
- Received
- Record last updated
- Sep 18, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Linux Linux linux:linux (from the name) | from b48c24c2d710cf34810c555dcef883a3d35a9c08 before 07974c267f603a76aead348bca97deee95efdcc9; from b48c24c2d710cf34810c555dcef883a3d35a9c08 before a6c0e693a7c881bfa43ac74cbcad1f8e10f1382b; from b48c24c2d710cf34810c555dcef883a3d35a9c08 before f67d8a08f60c9217df6d40da56422d2049f5e334 | CNA record |
References
- https://git.kernel.org/stable/c/07974c267f603a76aead348bca97deee95efdcc9
- https://git.kernel.org/stable/c/a6c0e693a7c881bfa43ac74cbcad1f8e10f1382b
- https://git.kernel.org/stable/c/f67d8a08f60c9217df6d40da56422d2049f5e334
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.