CVE-2026-93154

Summary

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.

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxb48c24c2d710cf34810c555dcef883a3d35a9c08 < 07974c267f603a76aead348bca97deee95efdcc9affected
LinuxLinuxb48c24c2d710cf34810c555dcef883a3d35a9c08 < a6c0e693a7c881bfa43ac74cbcad1f8e10f1382baffected
LinuxLinuxb48c24c2d710cf34810c555dcef883a3d35a9c08 < f67d8a08f60c9217df6d40da56422d2049f5e334affected
LinuxLinux5.14affected
LinuxLinux0 < 5.14unaffected
LinuxLinux6.18.52 <= 6.18.*unaffected
LinuxLinux7.2.6 <= 7.2.*unaffected
LinuxLinux7.3-rc1 <= *unaffected

Weaknesses

References