CVE-2025-40294 (GCVE-0-2025-40294)

Vulnerability from cvelistv5 – Published: 2025-12-08 00:46 – Updated: 2026-06-16 19:53
VLAI
Title
Bluetooth: MGMT: Fix OOB access in parse_adv_monitor_pattern()
Summary
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: MGMT: Fix OOB access in parse_adv_monitor_pattern() In the parse_adv_monitor_pattern() function, the value of the 'length' variable is currently limited to HCI_MAX_EXT_AD_LENGTH(251). The size of the 'value' array in the mgmt_adv_pattern structure is 31. If the value of 'pattern[i].length' is set in the user space and exceeds 31, the 'patterns[i].value' array can be accessed out of bound when copied. Increasing the size of the 'value' array in the 'mgmt_adv_pattern' structure will break the userspace. Considering this, and to avoid OOB access revert the limits for 'offset' and 'length' back to the value of HCI_MAX_AD_LENGTH. Found by InfoTeCS on behalf of Linux Verification Center (linuxtesting.org) with SVACE.
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 99f30e12e588f9982a6eb1916e53510bff25b3b8 , < 96616530f524a0a76248cd44201de0a9e8526190 (git)
Affected: db08722fc7d46168fe31d9b8a7b29229dd959f9f , < 5f7350ff2b179764a4f40ba4161b60b8aaef857b (git)
Affected: db08722fc7d46168fe31d9b8a7b29229dd959f9f , < 4b7d4aa5399b5a64caee639275615c63c008540d (git)
Affected: db08722fc7d46168fe31d9b8a7b29229dd959f9f , < 3a50d59b3781bc3a4e96533612509546a4c309a7 (git)
Affected: db08722fc7d46168fe31d9b8a7b29229dd959f9f , < 8d59fba49362c65332395789fd82771f1028d87e (git)
Affected: 6.1.83 , < 6.1.159 (semver)
Create a notification for this product.
Linux Linux Affected: 6.6
Unaffected: 0 , < 6.6 (semver)
Unaffected: 6.1.159 , ≤ 6.1.* (semver)
Unaffected: 6.6.117 , ≤ 6.6.* (semver)
Unaffected: 6.12.58 , ≤ 6.12.* (semver)
Unaffected: 6.17.8 , ≤ 6.17.* (semver)
Unaffected: 6.18 , ≤ * (original_commit_for_fix)
Create a notification for this product.
Show details on NVD website
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copied.\\n\\nIncreasing the size of the \u0027value\u0027 array in\\nthe \u0027mgmt_adv_pattern\u0027 structure will break the userspace.\\nConsidering this, and to avoid OOB access revert the limits for \u0027offset\u0027\\nand \u0027length\u0027 back to the value of HCI_MAX_AD_LENGTH.\\n\\nFound by InfoTeCS on behalf of Linux Verification Center\\n(linuxtesting.org) with SVACE.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.159\", \"versionStartIncluding\": \"6.1.83\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.117\", \"versionStartIncluding\": \"6.6\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.12.58\", \"versionStartIncluding\": \"6.6\"}, {\"criteria\": 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      "cveMetadata": "{\"cveId\": \"CVE-2025-40294\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-06-16T19:53:41.561Z\", \"dateReserved\": \"2025-04-16T07:20:57.185Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2025-12-08T00:46:17.899Z\", \"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.