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RDMA/cxgb4: Cancel reg_work before freeing device on remove

Type: advisorySource: Official CVE List1 source record

In the Linux kernel, the following vulnerability has been resolved: RDMA/cxgb4: Cancel reg_work before freeing device on remove c4iw_uld_state_change() queues reg_work to register the RDMA device. c4iw_remove() can free ctx->dev while this work is pending or running, leaving c4iw_register_device() accessing the freed device. Cancel reg_work before removing the device. The registration work can tear down ctx->dev when registration fails, so do not unregister or deallocate it again in that case. This issue was found by an in-house static analysis tool.

Announced Group revision 1
Original source ↗

CVE-2026-89510

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-2026-89510

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": "1c8f1da5d851b92aeb81dbbb9ebd516f6e2588f5",
        "lessThan": "e6e79e7be87c5ea92728060a3d7fb56890a91e45",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "1c8f1da5d851b92aeb81dbbb9ebd516f6e2588f5",
        "lessThan": "672ee1981db10569ec96030bddb322f18382ec04",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "1c8f1da5d851b92aeb81dbbb9ebd516f6e2588f5",
        "lessThan": "4681e731db07769846901cfabdd3e53f765eb9d3",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "1c8f1da5d851b92aeb81dbbb9ebd516f6e2588f5",
        "lessThan": "3265d558dfafab8f12f5fba06ebbf15cae9f3225",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "1c8f1da5d851b92aeb81dbbb9ebd516f6e2588f5",
        "lessThan": "fe9c591026c576d8b1f72aab5e4cd67350530763",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "1c8f1da5d851b92aeb81dbbb9ebd516f6e2588f5",
        "lessThan": "85f438382a865a4dc4c50e6b884310bb2b60fc4d",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "1c8f1da5d851b92aeb81dbbb9ebd516f6e2588f5",
        "lessThan": "320e5258a53af0abc5abd9eb01519a48bab2dee8",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "1c8f1da5d851b92aeb81dbbb9ebd516f6e2588f5",
        "lessThan": "a7100601aa1a39f799a566acce10db20eaf4b7f2",
        "versionType": "git"
      }
    ],
    "programFiles": [
      "drivers/infiniband/hw/cxgb4/device.c"
    ],
    "defaultStatus": "unaffected"
  },
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "4.15"
      },
      {
        "status": "unaffected",
        "version": "0",
        "lessThan": "4.15",
        "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": "6.12.109",
        "versionType": "semver",
        "lessThanOrEqual": "6.12.*"
      },
      {
        "status": "unaffected",
        "version": "6.18.50",
        "versionType": "semver",
        "lessThanOrEqual": "6.18.*"
      },
      {
        "status": "unaffected",
        "version": "7.2.4",
        "versionType": "semver",
        "lessThanOrEqual": "7.2.*"
      },
      {
        "status": "unaffected",
        "version": "7.3",
        "versionType": "original_commit_for_fix",
        "lessThanOrEqual": "*"
      }
    ],
    "programFiles": [
      "drivers/infiniband/hw/cxgb4/device.c"
    ],
    "defaultStatus": "affected"
  }
]
Related CVEs
CVE-2026-89510

Source reference: /cveMetadata/cveId

Publisher severity

high

Source reference: /containers/cna/metrics

Event
#35037 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement

Revision history

  1. CVE-2026-89510 · Revision 1Source updated