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CVE-2026-68417

RDMA/siw: publish QP after initialization

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 5.15.216, 6.1.183, 6.6.148, 6.12.101, 6.18.42, and 1 more
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/siw: publish QP after initialization siw_create_qp() currently calls siw_qp_add() before the queues, CQ pointers, state, completion, and device list entry are ready. A QPN lookup can therefore reach a QP that is still being constructed. Move siw_qp_add() to the end of siw_create_qp(), after QP initialization and before adding the QP to the siw device list.

Timeline

  1. CVE published
  2. CISA SSVC assessment

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

  3. Record last updated

Affected versions

  • Linux Linux

    From f29dd55b0236f7a26a4b9dd69186e3c04266797b · fixed in 3c9d128219964dcea897bf6139b88242e987be8f; From f29dd55b0236f7a26a4b9dd69186e3c04266797b · fixed in 3ff82e3841ecab1ff38d5817c969a019d266c83c; From f29dd55b0236f7a26a4b9dd69186e3c04266797b · fixed in 36e91a58397ca8c978e38a0bf389f0c6113fa8ca; From f29dd55b0236f7a26a4b9dd69186e3c04266797b · fixed in 74912ad168f87d6b2b670a87987bb302d6e64aa1; From f29dd55b0236f7a26a4b9dd69186e3c04266797b · fixed in fcc9d50022bcdb1f9f7ed04955c72b4a7355af3d; From f29dd55b0236f7a26a4b9dd69186e3c04266797b · fixed in 52f9fcb191143448df55fd215ff09c5207fed43e; From f29dd55b0236f7a26a4b9dd69186e3c04266797b · fixed in bb27fcc67c429d97f785c92c35a6c5adebb05d7f

  • Linux Linux

    5.3

  • KernelLinux

    From 5.3.0 · fixed in 5.15.216; From 5.16.0 · fixed in 6.1.183; From 6.2.0 · fixed in 6.6.148; From 6.7.0 · fixed in 6.12.101; From 6.13.0 · fixed in 6.18.42; From 6.19.0 · fixed in 7.1.6

References 7

git.kernel.org