CVE-2026-93789 (GCVE-0-2026-93789)

Vulnerability from cvelistv5 – Published: 2026-09-24 16:02 – Updated: 2026-09-25 12:42
VLAI
Title
wifi: iwlwifi: bound aligned TLV advance in FW parser
Summary
In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: bound aligned TLV advance in FW parser Validate ALIGN(tlv_len, 4) against remaining parser length before consuming bytes from the firmware image. This avoids length underflow on malformed TLVs.
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: dd7a2509b3a79b290730a9c6a784bf03fedabb9a , < 528fa9eb14c209533ca26958b76da55e0ce239d8 (git)
Affected: dd7a2509b3a79b290730a9c6a784bf03fedabb9a , < 7aa9097623afb694bc25382a62e14d8e82bf002f (git)
Affected: dd7a2509b3a79b290730a9c6a784bf03fedabb9a , < acad742714bdc70e7fd7f234323807c596828213 (git)
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Linux Linux Affected: 2.6.35
Unaffected: 0 , < 2.6.35 (semver)
Unaffected: 6.12.111 , ≤ 6.12.* (semver)
Unaffected: 6.18.53 , ≤ 6.18.* (semver)
Unaffected: 7.2 , ≤ * (original_commit_for_fix)
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{
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: iwlwifi: bound aligned TLV advance in FW parser\n\nValidate ALIGN(tlv_len, 4) against remaining parser length before\nconsuming bytes from the firmware image.\n\nThis avoids length underflow on malformed TLVs."
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    "dateReserved": "2026-09-18T17:59:28.788Z",
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        "metrics": {},
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    }
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}



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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

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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.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.