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staging: rtl8723bs: rtw_mlme: add bounds checks before ie_length subtraction

Type: advisorySource: Official CVE List1 source record

In the Linux kernel, the following vulnerability has been resolved: staging: rtl8723bs: rtw_mlme: add bounds checks before ie_length subtraction Add guards to ensure ie_length is large enough before subtracting fixed IE offsets to prevent unsigned integer underflow.

Announced Source revision 1
Original source ↗

CVE-2026-53178

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-2026-53178

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": "d3fcee1b78a533c256077f1300dd236801397cf7",
        "lessThan": "18143799ad51a32b1351e4e1591b6285a0a9d7dd",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "d3fcee1b78a533c256077f1300dd236801397cf7",
        "lessThan": "8863ac3a4fedf86b0ef5b8ecc37fbaa52f2a8160",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "d3fcee1b78a533c256077f1300dd236801397cf7",
        "lessThan": "637e0ea73f690028796ee2fc72a2ac4ec32968c6",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "d3fcee1b78a533c256077f1300dd236801397cf7",
        "lessThan": "542d65a6dbd9733baab96313c9fe76a76e93f484",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "d3fcee1b78a533c256077f1300dd236801397cf7",
        "lessThan": "88e994c57a79f62d5338231d8d37ee8dd98baffe",
        "versionType": "git"
      }
    ],
    "programFiles": [
      "drivers/staging/rtl8723bs/core/rtw_mlme.c"
    ],
    "defaultStatus": "unaffected"
  },
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "5.15"
      },
      {
        "status": "unaffected",
        "version": "0",
        "lessThan": "5.15",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "6.6.160",
        "versionType": "semver",
        "lessThanOrEqual": "6.6.*"
      },
      {
        "status": "unaffected",
        "version": "6.12.114",
        "versionType": "semver",
        "lessThanOrEqual": "6.12.*"
      },
      {
        "status": "unaffected",
        "version": "6.18.52",
        "versionType": "semver",
        "lessThanOrEqual": "6.18.*"
      },
      {
        "status": "unaffected",
        "version": "7.0.13",
        "versionType": "semver",
        "lessThanOrEqual": "7.0.*"
      },
      {
        "status": "unaffected",
        "version": "7.1",
        "versionType": "original_commit_for_fix",
        "lessThanOrEqual": "*"
      }
    ],
    "programFiles": [
      "drivers/staging/rtl8723bs/core/rtw_mlme.c"
    ],
    "defaultStatus": "affected"
  }
]
Related CVEs
CVE-2026-53178

Source reference: /cveMetadata/cveId

Publisher severity

high

Source reference: /containers/cna/metrics

Event
#46375 · Revision 1
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Publisher date
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