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

cve CVE-2026-53178 2 sources, 2 claims · Watch

Red Hat writes:
kernel: staging: rtl8723bs: rtw_mlme: add bounds checks before ie_length subtraction the claim

What it is to other things

affectslinux/linux_kernel
NVD
made_bylinux
NVD

In words only, so not counted until a person confirms one:

affectslinux/linux
NVD says “Linux · Linux”

What each source says

PropertySourceSaidMeans here
Cvss
cvss
NVD8.1
receipt
Source
NVD
Its words
8.1
Read by
field:cve.metrics.cvssMetricV31[].cvssData.baseScore
Said since
2026-09-29 09:45 UTC
Last answered
2026-10-02 18:04 UTC
Original
open at the source
What the source handed over
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—
Cwe
cwe
Red HatCWE-191
receipt
Source
Red Hat
Its words
CWE-191
Read by
field:CWE
Said since
2026-09-29 09:44 UTC
Last answered
2026-10-02 18:04 UTC
Original
open at the source
What the source handed over
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  "severity": "moderate"
}
—
Product
product
NVDLinux
receipt
Source
NVD
Its words
Linux
Read by
field:cve.affected[].affectedData[].product
Said since
2026-09-29 17:49 UTC
Last answered
2026-10-02 18:04 UTC
Original
open at the source
2026-09-29 17:49 UTCLinux
2026-09-29 09:45 UTC—
What the source handed over
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—
Severity
severity
Red Hatmoderate
A flaw that is harder to exploit, or whose impact is limited.
receipt
Source
Red Hat
Its words
moderate
Read by
field:severity
Said since
2026-09-29 09:44 UTC
Last answered
2026-10-02 18:04 UTC
Original
open at the source
What the source handed over
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medium
Status
status
NVDModified
receipt
Source
NVD
Its words
Modified
Read by
field:cve.vulnStatus
Said since
2026-09-29 09:45 UTC
Last answered
2026-10-02 18:04 UTC
Original
open at the source
What the source handed over
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          },
          "exploitabilityScore": 2.8,
          "impactScore": 5.2,
          "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
          "type": "Secondary"
        }
      ]
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    "published": "2026-06-25T09:16:35.193",
    "references": [
      {
        "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "tags": [
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        ],
        "url": "https://git.kernel.org/stable/c/542d65a6dbd9733baab96313c9fe76a76e93f484"
      },
      {
        "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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      },
      {
        "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "tags": [
          "Patch"
        ],
        "url": "https://git.kernel.org/stable/c/88e994c57a79f62d5338231d8d37ee8dd98baffe"
      }
    ],
    "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "vulnStatus": "Modified",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-191"
          }
        ],
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  }
}
—
Vendor
vendor
NVDLinux
receipt
Source
NVD
Its words
Linux
Read by
field:cve.affected[].affectedData[].vendor
Said since
2026-09-29 17:49 UTC
Last answered
2026-10-02 18:04 UTC
Original
open at the source
2026-09-29 17:49 UTCLinux
2026-09-29 09:45 UTC—
What the source handed over
{
  "cve": {
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      {
        "affectedData": [
          {
            "defaultStatus": "unaffected",
            "product": "Linux",
            "programFiles": [
              "drivers/staging/rtl8723bs/core/rtw_mlme.c"
            ],
            "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
            "vendor": "Linux",
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                "lessThan": "637e0ea73f690028796ee2fc72a2ac4ec32968c6",
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              },
              {
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              },
              {
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          {
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            "vendor": "Linux",
            "versions": [
              {
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              },
              {
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                "version": "0",
                "versionType": "semver"
              },
              {
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                "version": "7.0.13",
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              },
              {
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                "version": "7.1",
                "versionType": "original_commit_for_fix"
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        ],
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      }
    ],
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    "lastModified": "2026-09-14T12:17:43.387",
    "metrics": {
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          "cvssData": {
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            "baseScore": 8.1,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
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            "privilegesRequired": "NONE",
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    "vulnStatus": "Modified",
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        "description": [
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            "value": "CWE-191"
          }
        ],
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  }
}
—

vulnerability

kernel: staging: rtl8723bs: rtw_mlme: add bounds checks before ie_length subtraction
zetlyn/cve-redhat · 2026-06-25
cwe CWE-191 severity moderate source
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.
zetlyn/cve-nvd · 2026-06-25
cvss 8.1 product Linux status Modified vendor Linux source