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RDMA/ipoib: Drain RCU callbacks during module teardown

Type: advisorySource: Official CVE List1 source record

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.

Announced Group revision 1
Original source ↗

CVE-2026-93108

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2026-93108

Linux

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Linux

Source reference: /containers/cna/affected/1/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "b63b70d8774175b6f8393c495fe455f0fba55ce1",
        "lessThan": "bb9c23733a0c50e136bd40c27cb60023cc58e22c",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "b63b70d8774175b6f8393c495fe455f0fba55ce1",
        "lessThan": "4a6dc313f9661f80e4ed43461d7ed5615c2450ca",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "b63b70d8774175b6f8393c495fe455f0fba55ce1",
        "lessThan": "d8917353966d1d5a486437dd0dd68a2cf8ecb136",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "b63b70d8774175b6f8393c495fe455f0fba55ce1",
        "lessThan": "7bc08d7f9338c9f9c09965e5d020591c793a80cb",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "b63b70d8774175b6f8393c495fe455f0fba55ce1",
        "lessThan": "2b3330cfc097db2d31f47ad09261967630270d66",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "b63b70d8774175b6f8393c495fe455f0fba55ce1",
        "lessThan": "8dc5ffcb8efcc01e44dd1ebc490eaae72de3fadf",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "b63b70d8774175b6f8393c495fe455f0fba55ce1",
        "lessThan": "24ce944721dcd92ae62e7a448d770e2a3e79f5fd",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "b63b70d8774175b6f8393c495fe455f0fba55ce1",
        "lessThan": "31b7c700670830a0e8a4cdcd451c88a13cc5dc48",
        "versionType": "git"
      }
    ],
    "programFiles": [
      "drivers/infiniband/ulp/ipoib/ipoib_main.c"
    ],
    "defaultStatus": "unaffected"
  },
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "3.6"
      },
      {
        "status": "unaffected",
        "version": "0",
        "lessThan": "3.6",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "5.10.270",
        "versionType": "semver",
        "lessThanOrEqual": "5.10.*"
      },
      {
        "status": "unaffected",
        "version": "5.15.221",
        "versionType": "semver",
        "lessThanOrEqual": "5.15.*"
      },
      {
        "status": "unaffected",
        "version": "6.1.188",
        "versionType": "semver",
        "lessThanOrEqual": "6.1.*"
      },
      {
        "status": "unaffected",
        "version": "6.6.157",
        "versionType": "semver",
        "lessThanOrEqual": "6.6.*"
      },
      {
        "status": "unaffected",
        "version": "6.12.110",
        "versionType": "semver",
        "lessThanOrEqual": "6.12.*"
      },
      {
        "status": "unaffected",
        "version": "6.18.52",
        "versionType": "semver",
        "lessThanOrEqual": "6.18.*"
      },
      {
        "status": "unaffected",
        "version": "7.2.6",
        "versionType": "semver",
        "lessThanOrEqual": "7.2.*"
      },
      {
        "status": "unaffected",
        "version": "7.3",
        "versionType": "original_commit_for_fix",
        "lessThanOrEqual": "*"
      }
    ],
    "programFiles": [
      "drivers/infiniband/ulp/ipoib/ipoib_main.c"
    ],
    "defaultStatus": "affected"
  }
]
Related CVEs
CVE-2026-93108

Source reference: /cveMetadata/cveId

Publisher severity

No explicit severity was provided.

Event
#37833 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement

Revision history

  1. CVE-2026-93108 · Revision 1Source updated