Description
In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx5: Release the HW‑provided UAR index rather than the SW one Free the UAR index returned by the hardware.
References6
- git.kernel.org/stable/c/449ae7927152e46acbe5f19f97eafdae6d3a96b1
- git.kernel.org/stable/c/6f83de384ca582fa87b4c2b0d03bd1ed3bf9a2ee
- git.kernel.org/stable/c/80f1f49f53a42733e60c90e0ec545e647969214d
- git.kernel.org/stable/c/aabfc845838ef453f1d22d7665596f9cc48be7dd
- git.kernel.org/stable/c/d3ff718c0c7153e2641e6a09507bace14fc5c402
- git.kernel.org/stable/c/ef369446f62903ea079e8a7954b5bf8bb8300fe3
Metrics
- CVSS 3.1
-
7.8
HIGH
Score source: CNA
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 0% percentile: 7 · as of 11 November 2026
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.