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CVE-2026-74377 RDMA/rxe: Copy WQE to local buffer in non-SRQ receive path

🗓️ 15 Aug 2026 05:58:55Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 38 Views

RDMA/rxe non-SRQ receive path TOCTOU allows OOB reads via userspace-modified WQE fields.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/infiniband/sw/rxe/rxe_resp.c"
    ],
    "versions": [
      {
        "version": "8700e3e7c4857d28ebaa824509934556da0b3e76",
        "lessThan": "2e60378fb3c8b51c94103bb40014c4fe38fa5033",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8700e3e7c4857d28ebaa824509934556da0b3e76",
        "lessThan": "fc72fd61cc8b2e2e3e92ae4c0e9cc30c9a7ecb78",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8700e3e7c4857d28ebaa824509934556da0b3e76",
        "lessThan": "9fa785137303f7109c23dea779b8dedc67c9b531",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8700e3e7c4857d28ebaa824509934556da0b3e76",
        "lessThan": "5420eebf3b3c162bfaf965f30e61cd1d689e5732",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8700e3e7c4857d28ebaa824509934556da0b3e76",
        "lessThan": "a211b7904aed365e4e4f08a48ec6e6dd1ea7b16b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8700e3e7c4857d28ebaa824509934556da0b3e76",
        "lessThan": "d6ab440240a04b8737ee4c7bb21af9182e451733",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/infiniband/sw/rxe/rxe_resp.c"
    ],
    "versions": [
      {
        "version": "4.8",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.8",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.178",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.145",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.97",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.40",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.5",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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