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CVE-2022-49581 (GCVE-0-2022-49581)

Vulnerability from cvelistv5 – Published: 2025-02-26 02:23 – Updated: 2026-08-05 08:55
VLAI
Title
be2net: Fix buffer overflow in be_get_module_eeprom
Summary
In the Linux kernel, the following vulnerability has been resolved: be2net: Fix buffer overflow in be_get_module_eeprom be_cmd_read_port_transceiver_data assumes that it is given a buffer that is at least PAGE_DATA_LEN long, or twice that if the module supports SFF 8472. However, this is not always the case. Fix this by passing the desired offset and length to be_cmd_read_port_transceiver_data so that we only copy the bytes once.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: e36edd9d26cf257511548edaf2b7a56eb4fed854 , < a5a8fc0679a8fd58d47aa2ebcfc5742631f753f9 (git)
Affected: e36edd9d26cf257511548edaf2b7a56eb4fed854 , < fe4473fc7940f14c4a12db873b9729134c212654 (git)
Affected: e36edd9d26cf257511548edaf2b7a56eb4fed854 , < 8ff4f9df73e5c551a72ee6034886c17e8de6596d (git)
Affected: e36edd9d26cf257511548edaf2b7a56eb4fed854 , < a8569f76df7ec5b4b51155c57523a0b356db5741 (git)
Affected: e36edd9d26cf257511548edaf2b7a56eb4fed854 , < 665cbe91de2f7c97c51ca8fce39aae26477c1948 (git)
Affected: e36edd9d26cf257511548edaf2b7a56eb4fed854 , < aba8ff847f4f927ad7a1a1ee4a9f29989a1a728f (git)
Affected: e36edd9d26cf257511548edaf2b7a56eb4fed854 , < 18043da94c023f3ef09c15017bdb04e8f695ef10 (git)
Affected: e36edd9d26cf257511548edaf2b7a56eb4fed854 , < d7241f679a59cfe27f92cb5c6272cb429fb1f7ec (git)
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Linux Linux Affected: 3.18
Unaffected: 0 , < 3.18 (semver)
Unaffected: 4.9.325 , ≤ 4.9.* (semver)
Unaffected: 4.14.290 , ≤ 4.14.* (semver)
Unaffected: 4.19.254 , ≤ 4.19.* (semver)
Unaffected: 5.4.208 , ≤ 5.4.* (semver)
Unaffected: 5.10.134 , ≤ 5.10.* (semver)
Unaffected: 5.15.58 , ≤ 5.15.* (semver)
Unaffected: 5.18.15 , ≤ 5.18.* (semver)
Unaffected: 5.19 , ≤ * (original_commit_for_fix)
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Corrija esto pasando el desplazamiento y la longitud deseados a be_cmd_read_port_transceiver_data para que solo copiemos los bytes una 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    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-08-04T19:42:34+00:00",
      "cve": "CVE-2022-49581",
      "id": "CVE-2022-49581",
      "initial_release_date": "2022-01-01T00:00:00+00:00",
      "product_status:fixed": "164",
      "product_status:known_affected": "184",
      "product_status:known_not_affected": "90",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: Linux kernel: be2net buffer overflow in be_get_module_eeprom",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-49581.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-08-29T02:27:16Z",
      "cve": "CVE-2022-49581",
      "id": "CVE-2022-49581",
      "initial_release_date": "2025-02-27T03:04:41Z",
      "product_status:known_affected": "543",
      "product_status:known_not_affected": "141",
      "product_status:recommended": "263",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2022-49581",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2022-49581.json",
      "version": "55"
    }
  }
}



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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.


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.