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CVE-2026-53176

🗓️ 25 Jun 2026 08:38:52Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov📰️ 1 Media mentions👁 71 Views🌐 WEB

Reject login PDUs shorter than ISER_HEADERS_LEN to prevent negative lengths and out-of-bounds copies in isert login.

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OR
linuxlinux_kernelRange3.105.10.259
linuxlinux_kernelRange5.115.15.210
linuxlinux_kernelRange5.166.1.176
linuxlinux_kernelRange6.26.6.143
linuxlinux_kernelRange6.76.12.94
linuxlinux_kernelRange6.136.18.36
linuxlinux_kernelRange6.197.0.13
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/infiniband/ulp/isert/ib_isert.c"
    ],
    "versions": [
      {
        "version": "b8d26b3be8b33682cf163274ed07479a70554633",
        "lessThan": "75ee6e4aa096aa9e7b2dd5c8ff98356e30aceefb",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b8d26b3be8b33682cf163274ed07479a70554633",
        "lessThan": "e8a013c0c3ca2f6708341a56612a3f6d6921620a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b8d26b3be8b33682cf163274ed07479a70554633",
        "lessThan": "bd22740d7f14cb1c0289444cfd2c8d2938667c1d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b8d26b3be8b33682cf163274ed07479a70554633",
        "lessThan": "c1234229399f4af12c553b1b0ffd978eeba65548",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b8d26b3be8b33682cf163274ed07479a70554633",
        "lessThan": "c5584e089b5af7b3bf8bd5e8ca0560cbf32b0a47",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b8d26b3be8b33682cf163274ed07479a70554633",
        "lessThan": "df422fd273c96c2ee5beb80fc21adc8c70c29260",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b8d26b3be8b33682cf163274ed07479a70554633",
        "lessThan": "1ca40b243277c9e88be5e00bd3e083f71aefb93e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b8d26b3be8b33682cf163274ed07479a70554633",
        "lessThan": "29e7b925ae6df64894e82ab6419994dc25580a8a",
        "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/ulp/isert/ib_isert.c"
    ],
    "versions": [
      {
        "version": "3.10",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "3.10",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.259",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.210",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.176",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.143",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.94",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.36",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.13",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
login_pdu_lengthpathdrivers/infiniband/ulp/isert/ib_isert.cKernel iSER login path underflows when login PDU is shorter than ISER_HEADERS_LEN; add lower bound to prevent negative login_req_len.CWE-839CWE-191
ISER_HEADERS_LENpathdrivers/infiniband/ulp/isert/ib_isert.cKernel iSER login path underflows when login PDU is shorter than ISER_HEADERS_LEN; add lower bound to prevent negative login_req_len.CWE-839CWE-191

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