CVE-2023-54279 (GCVE-0-2023-54279)

Vulnerability from cvelistv5 – Published: 2025-12-30 12:16 – Updated: 2026-05-11 19:58
VLAI
Title
MIPS: fw: Allow firmware to pass a empty env
Summary
In the Linux kernel, the following vulnerability has been resolved: MIPS: fw: Allow firmware to pass a empty env fw_getenv will use env entry to determine style of env, however it is legal for firmware to just pass a empty list. Check if first entry exist before running strchr to avoid null pointer dereference.
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 14aecdd419217e041fb5dd2749d11f58503bdf62 , < f334b31625683418aaa2a335470eec950a95a254 (git)
Affected: 14aecdd419217e041fb5dd2749d11f58503bdf62 , < 830181ddced5a05a711dc9da8043203b1f33a77e (git)
Affected: 14aecdd419217e041fb5dd2749d11f58503bdf62 , < 0f91290774c798199ba4b8df93de5c3156b5163d (git)
Affected: 14aecdd419217e041fb5dd2749d11f58503bdf62 , < 47e61cadc7a5f3dffd42d2d6fda81be163f1ab82 (git)
Affected: 14aecdd419217e041fb5dd2749d11f58503bdf62 , < 3ef93b7bd9e042db240843f24a80e14da38c6830 (git)
Affected: 14aecdd419217e041fb5dd2749d11f58503bdf62 , < a6b54af407873227caef6262e992f5422cdcb6ae (git)
Affected: 14aecdd419217e041fb5dd2749d11f58503bdf62 , < ad79828f133e98585ab2236cad04a55eb7141bbe (git)
Affected: 14aecdd419217e041fb5dd2749d11f58503bdf62 , < aeed787bbbbe1b842beec9a065a36c915226f704 (git)
Affected: 14aecdd419217e041fb5dd2749d11f58503bdf62 , < ee1809ed7bc456a72dc8410b475b73021a3a68d5 (git)
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Linux Linux Affected: 3.10
Unaffected: 0 , < 3.10 (semver)
Unaffected: 4.14.315 , ≤ 4.14.* (semver)
Unaffected: 4.19.283 , ≤ 4.19.* (semver)
Unaffected: 5.4.243 , ≤ 5.4.* (semver)
Unaffected: 5.10.180 , ≤ 5.10.* (semver)
Unaffected: 5.15.111 , ≤ 5.15.* (semver)
Unaffected: 6.1.28 , ≤ 6.1.* (semver)
Unaffected: 6.2.15 , ≤ 6.2.* (semver)
Unaffected: 6.3.2 , ≤ 6.3.* (semver)
Unaffected: 6.4 , ≤ * (original_commit_for_fix)
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{
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        }
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      "providerMetadata": {
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        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
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    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2023-54279",
    "datePublished": "2025-12-30T12:16:07.018Z",
    "dateReserved": "2025-12-30T12:06:44.524Z",
    "dateUpdated": "2026-05-11T19:58:54.080Z",
    "state": "PUBLISHED"
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      "date": "2026-07-04",
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    },
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primera entrada existe antes de ejecutar strchr para evitar la desreferencia de puntero 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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

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.