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Critical

RDMA/siw: Fix endpoint/socket association handling

Type: advisorySource: Official CVE List1 source record

In the Linux kernel, the following vulnerability has been resolved: RDMA/siw: Fix endpoint/socket association handling Disassociating a socket from an endpoint via siw_socket_disassoc() may release the last reference on that endpoint and free it. Therefore, don't clear the endpoints socket pointer after calling that function, but within. This fixes a: BUG: KASAN: slab-use-after-free in siw_cm_work_handler (drivers/infiniband/sw/siw/siw_cm.c:1053 drivers/infiniband/sw/siw/siw_cm.c:1075) which occurred after processing a malformed MPA request during connection establishment, causing the new endpoint to be closed.

Announced Source revision 1
Original source ↗

CVE-2026-74345

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-2026-74345

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": "6c52fdc244b5ccc468006fd65a504d4ee33743c7",
        "lessThan": "ff584d3735b13a1d7f8cd072f98fea40b6062518",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "6c52fdc244b5ccc468006fd65a504d4ee33743c7",
        "lessThan": "b28d513393f81e2de00f82970487a9d001557e4e",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "6c52fdc244b5ccc468006fd65a504d4ee33743c7",
        "lessThan": "f6183983ce1ff254d629a333739082b39d7c5eb6",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "6c52fdc244b5ccc468006fd65a504d4ee33743c7",
        "lessThan": "b6cf763eee0a932792bef64ceaca568d324192fc",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "6c52fdc244b5ccc468006fd65a504d4ee33743c7",
        "lessThan": "ea4f6f6c53577fb3f05dbd78b15e586772d49831",
        "versionType": "git"
      }
    ],
    "programFiles": [
      "drivers/infiniband/sw/siw/siw_cm.c"
    ],
    "defaultStatus": "unaffected"
  },
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "5.3"
      },
      {
        "status": "unaffected",
        "version": "0",
        "lessThan": "5.3",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "6.6.160",
        "versionType": "semver",
        "lessThanOrEqual": "6.6.*"
      },
      {
        "status": "unaffected",
        "version": "6.12.97",
        "versionType": "semver",
        "lessThanOrEqual": "6.12.*"
      },
      {
        "status": "unaffected",
        "version": "6.18.40",
        "versionType": "semver",
        "lessThanOrEqual": "6.18.*"
      },
      {
        "status": "unaffected",
        "version": "7.1.5",
        "versionType": "semver",
        "lessThanOrEqual": "7.1.*"
      },
      {
        "status": "unaffected",
        "version": "7.2",
        "versionType": "original_commit_for_fix",
        "lessThanOrEqual": "*"
      }
    ],
    "programFiles": [
      "drivers/infiniband/sw/siw/siw_cm.c"
    ],
    "defaultStatus": "affected"
  }
]
Related CVEs
CVE-2026-74345

Source reference: /cveMetadata/cveId

Publisher severity

critical

Source reference: /containers/cna/metrics

Event
#46547 · Revision 1
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Publisher date
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