CVE-2025-21905 (GCVE-0-2025-21905)

Vulnerability from cvelistv5 – Published: 2025-04-01 15:40 – Updated: 2026-05-11 21:08
VLAI
Title
wifi: iwlwifi: limit printed string from FW file
Summary
In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: limit printed string from FW file There's no guarantee here that the file is always with a NUL-termination, so reading the string may read beyond the end of the TLV. If that's the last TLV in the file, it can perhaps even read beyond the end of the file buffer. Fix that by limiting the print format to the size of the buffer we have.
Severity
7.1 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: aee1b6385e29e472ae5592b9652b750a29bf702e , < 38f0d398b6d7640d223db69df022c4a232f24774 (git)
Affected: aee1b6385e29e472ae5592b9652b750a29bf702e , < c0e626f2b2390472afac52dfe72b29daf9ed8e1d (git)
Affected: aee1b6385e29e472ae5592b9652b750a29bf702e , < 47616b82f2d42ea2060334746fed9a2988d845c9 (git)
Affected: aee1b6385e29e472ae5592b9652b750a29bf702e , < 88ed69f924638c7503644e1f8eed1e976f3ffa7a (git)
Affected: aee1b6385e29e472ae5592b9652b750a29bf702e , < b02f8d5a71c8571ccf77f285737c566db73ef5e5 (git)
Affected: aee1b6385e29e472ae5592b9652b750a29bf702e , < f265e6031d0bc4fc40c4619cb42466722b46eaa9 (git)
Affected: aee1b6385e29e472ae5592b9652b750a29bf702e , < 59cdda202829d1d6a095d233386870a59aff986f (git)
Affected: aee1b6385e29e472ae5592b9652b750a29bf702e , < e0dc2c1bef722cbf16ae557690861e5f91208129 (git)
Create a notification for this product.
Linux Linux Affected: 5.2
Unaffected: 0 , < 5.2 (semver)
Unaffected: 5.4.291 , ≤ 5.4.* (semver)
Unaffected: 5.10.235 , ≤ 5.10.* (semver)
Unaffected: 5.15.179 , ≤ 5.15.* (semver)
Unaffected: 6.1.131 , ≤ 6.1.* (semver)
Unaffected: 6.6.83 , ≤ 6.6.* (semver)
Unaffected: 6.12.19 , ≤ 6.12.* (semver)
Unaffected: 6.13.7 , ≤ 6.13.* (semver)
Unaffected: 6.14 , ≤ * (original_commit_for_fix)
Create a notification for this product.
Show details on NVD website
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No se garantiza que el archivo siempre tenga una terminaci\u00f3n NUL, por lo que al leer la cadena, se podr\u00eda leer m\u00e1s all\u00e1 del final del TLV. Si ese es el \u00faltimo TLV del archivo, es posible que incluso pueda leer m\u00e1s all\u00e1 del final del b\u00fafer del archivo. Para solucionar esto, limite el formato de impresi\u00f3n al tama\u00f1o del b\u00fafer 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    "vulnrichment": {
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[{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-10-01T19:24:24.171530Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-125\", \"description\": \"CWE-125 Out-of-bounds Read\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-10-01T14:37:29.281Z\"}}], \"cna\": {\"title\": \"wifi: iwlwifi: limit printed string from FW file\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"aee1b6385e29e472ae5592b9652b750a29bf702e\", \"lessThan\": \"38f0d398b6d7640d223db69df022c4a232f24774\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"aee1b6385e29e472ae5592b9652b750a29bf702e\", \"lessThan\": 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\"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.6.83\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.12.19\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.12.*\"}, {\"status\": \"unaffected\", \"version\": \"6.13.7\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.13.*\"}, {\"status\": \"unaffected\", \"version\": \"6.14\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/net/wireless/intel/iwlwifi/iwl-drv.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/38f0d398b6d7640d223db69df022c4a232f24774\"}, {\"url\": \"https://git.kernel.org/stable/c/c0e626f2b2390472afac52dfe72b29daf9ed8e1d\"}, {\"url\": \"https://git.kernel.org/stable/c/47616b82f2d42ea2060334746fed9a2988d845c9\"}, {\"url\": \"https://git.kernel.org/stable/c/88ed69f924638c7503644e1f8eed1e976f3ffa7a\"}, {\"url\": \"https://git.kernel.org/stable/c/b02f8d5a71c8571ccf77f285737c566db73ef5e5\"}, {\"url\": \"https://git.kernel.org/stable/c/f265e6031d0bc4fc40c4619cb42466722b46eaa9\"}, {\"url\": \"https://git.kernel.org/stable/c/59cdda202829d1d6a095d233386870a59aff986f\"}, {\"url\": \"https://git.kernel.org/stable/c/e0dc2c1bef722cbf16ae557690861e5f91208129\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nwifi: iwlwifi: limit printed string from FW file\\n\\nThere\u0027s no guarantee here that the file is always with a\\nNUL-termination, so reading the string may read beyond the\\nend of the TLV. If that\u0027s the last TLV in the file, it can\\nperhaps even read beyond the end of the file buffer.\\n\\nFix that by limiting the print format to the size of the\\nbuffer we have.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.291\", \"versionStartIncluding\": \"5.2\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.235\", \"versionStartIncluding\": \"5.2\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.179\", \"versionStartIncluding\": \"5.2\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.131\", \"versionStartIncluding\": \"5.2\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.83\", \"versionStartIncluding\": \"5.2\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.12.19\", \"versionStartIncluding\": \"5.2\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.13.7\", \"versionStartIncluding\": \"5.2\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.14\", \"versionStartIncluding\": \"5.2\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-05-11T21:08:47.751Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2025-21905\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-11T21:08:47.751Z\", \"dateReserved\": \"2024-12-29T08:45:45.785Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2025-04-01T15:40:46.465Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.