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CVE-2026-74296

RDMA/mlx5: Release the HW‑provided UAR index rather than the SW one

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 6.1.178, 6.6.145, 6.12.97, 6.18.40, 7.1.5
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: total

Summary

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.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: total

  3. Record last updated

Affected versions

  • Linux Linux

    From 4ed131d0bb1597ce12fff22d9d7fc9720a6e8cf0 · fixed in 80f1f49f53a42733e60c90e0ec545e647969214d; From 4ed131d0bb1597ce12fff22d9d7fc9720a6e8cf0 · fixed in aabfc845838ef453f1d22d7665596f9cc48be7dd; From 4ed131d0bb1597ce12fff22d9d7fc9720a6e8cf0 · fixed in 6f83de384ca582fa87b4c2b0d03bd1ed3bf9a2ee; From 4ed131d0bb1597ce12fff22d9d7fc9720a6e8cf0 · fixed in d3ff718c0c7153e2641e6a09507bace14fc5c402; From 4ed131d0bb1597ce12fff22d9d7fc9720a6e8cf0 · fixed in ef369446f62903ea079e8a7954b5bf8bb8300fe3; From 4ed131d0bb1597ce12fff22d9d7fc9720a6e8cf0 · fixed in 449ae7927152e46acbe5f19f97eafdae6d3a96b1

  • Linux Linux

    4.16

  • KernelLinux

    From 4.16.0 · fixed in 6.1.178; From 6.2.0 · fixed in 6.6.145; From 6.7.0 · fixed in 6.12.97; From 6.13.0 · fixed in 6.18.40; From 6.19.0 · fixed in 7.1.5

References 6

git.kernel.org