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CVE-2026-93108

RDMA/ipoib: Drain RCU callbacks during module teardown

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 5.10.270, 5.15.221, 6.1.188, 6.6.157, 6.12.110, and 2 more
None on Exploit-DB, Metasploit or GitHub

Summary

In the Linux kernel, the following vulnerability has been resolved: RDMA/ipoib: Drain RCU callbacks during module teardown IPoIB reclamation completions can be signaled from inside an RCU callback. Teardown can wake before the callback returns and unload ib_ipoib while its code is still executing. Client registration failure can also remove already-added devices and queue callbacks. Wait after client and workqueue teardown.

Timeline

  1. CVE published
  2. Record last updated

Affected versions

  • Linux Linux

    From b63b70d8774175b6f8393c495fe455f0fba55ce1 · fixed in bb9c23733a0c50e136bd40c27cb60023cc58e22c; From b63b70d8774175b6f8393c495fe455f0fba55ce1 · fixed in 4a6dc313f9661f80e4ed43461d7ed5615c2450ca; From b63b70d8774175b6f8393c495fe455f0fba55ce1 · fixed in d8917353966d1d5a486437dd0dd68a2cf8ecb136; From b63b70d8774175b6f8393c495fe455f0fba55ce1 · fixed in 7bc08d7f9338c9f9c09965e5d020591c793a80cb; From b63b70d8774175b6f8393c495fe455f0fba55ce1 · fixed in 2b3330cfc097db2d31f47ad09261967630270d66; From b63b70d8774175b6f8393c495fe455f0fba55ce1 · fixed in 8dc5ffcb8efcc01e44dd1ebc490eaae72de3fadf; From b63b70d8774175b6f8393c495fe455f0fba55ce1 · fixed in 24ce944721dcd92ae62e7a448d770e2a3e79f5fd; From b63b70d8774175b6f8393c495fe455f0fba55ce1 · fixed in 31b7c700670830a0e8a4cdcd451c88a13cc5dc48

  • Linux Linux

    3.6

  • KernelLinux

    From 3.6.0 · fixed in 5.10.270; From 5.11.0 · fixed in 5.15.221; From 5.16.0 · fixed in 6.1.188; From 6.2.0 · fixed in 6.6.157; From 6.7.0 · fixed in 6.12.110; From 6.13.0 · fixed in 6.18.52; From 6.19.0 · fixed in 7.2.6

References 8

git.kernel.org