CVE-2026-43457 (GCVE-0-2026-43457)

Vulnerability from cvelistv5 – Published: 2026-05-08 14:22 – Updated: 2026-05-11 22:24
VLAI?
Title
mctp: i2c: fix skb memory leak in receive path
Summary
In the Linux kernel, the following vulnerability has been resolved: mctp: i2c: fix skb memory leak in receive path When 'midev->allow_rx' is false, the newly allocated skb isn't consumed by netif_rx(), it needs to free the skb directly.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: f5b8abf9fc3dacd7529d363e26fe8230935d65f8 , < 0fb2adbdd5c03e8c9ebcdc48afd414b2724c85eb (git)
Affected: f5b8abf9fc3dacd7529d363e26fe8230935d65f8 , < d7900a43b0a314a645ca0a2adf45928dbc7001f4 (git)
Affected: f5b8abf9fc3dacd7529d363e26fe8230935d65f8 , < 9f81be2ab9d8e4744871bfb3e868ef413413829f (git)
Affected: f5b8abf9fc3dacd7529d363e26fe8230935d65f8 , < 1ec54187e1aa40a4cfa2b265e9a311179f24b98d (git)
Affected: f5b8abf9fc3dacd7529d363e26fe8230935d65f8 , < 1b1be322342a6b0085bf6ee52235e5ac9834ec25 (git)
Affected: f5b8abf9fc3dacd7529d363e26fe8230935d65f8 , < e3f5e0f22cfc2371e7471c9fd5b4da78f9df7c69 (git)
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Linux Linux Affected: 5.18
Unaffected: 0 , < 5.18 (semver)
Unaffected: 6.1.167 , ≤ 6.1.* (semver)
Unaffected: 6.6.130 , ≤ 6.6.* (semver)
Unaffected: 6.12.78 , ≤ 6.12.* (semver)
Unaffected: 6.18.19 , ≤ 6.18.* (semver)
Unaffected: 6.19.9 , ≤ 6.19.* (semver)
Unaffected: 7.0 , ≤ * (original_commit_for_fix)
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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.



Detection rules are retrieved from Rulezet.