CVE-2026-93154
High
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.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Linux
PublishedSep 17, 2026
First seenSep 17, 2026
How to fix
Update
- Linux Linux07974c267f603a76aead348bca97deee95efdcc9, a6c0e693a7c881bfa43ac74cbcad1f8e10f1382b, f67d8a08f60c9217df6d40da56422d2049f5e334 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | b48c24c2d710cf34810c555dcef883a3d35a9c08 ≤ v < 07974c267f603a76aead348bca97deee95efdcc9, b48c24c2d710cf34810c555dcef883a3d35a9c08 ≤ v < a6c0e693a7c881bfa43ac74cbcad1f8e10f1382b, b48c24c2d710cf34810c555dcef883a3d35a9c08 ≤ v < f67d8a08f60c9217df6d40da56422d2049f5e334, 5.14 | 07974c267f603a76aead348bca97deee95efdcc9, a6c0e693a7c881bfa43ac74cbcad1f8e10f1382b, f67d8a08f60c9217df6d40da56422d2049f5e334 |
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