CVE-2026-43462 (GCVE-0-2026-43462)

Vulnerability from cvelistv5 – Published: 2026-05-08 14:22 – Updated: 2026-08-05 12:28
VLAI
Title
net: spacemit: Fix error handling in emac_tx_mem_map()
Summary
In the Linux kernel, the following vulnerability has been resolved: net: spacemit: Fix error handling in emac_tx_mem_map() The DMA mappings were leaked on mapping error. Free them with the existing emac_free_tx_buf() function.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: bfec6d7f2001c7470c3cd261ae65a3ba8737f226 , < c34ebd7b24ea70be3c6fdb6936f79f593f37df60 (git)
Affected: bfec6d7f2001c7470c3cd261ae65a3ba8737f226 , < edeaba385318f60ec1b32470da4d5eb800294d16 (git)
Affected: bfec6d7f2001c7470c3cd261ae65a3ba8737f226 , < 86292155bea578ebab0ca3b65d4d87ecd8a0e9ea (git)
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Linux Linux Affected: 6.18
Unaffected: 0 , < 6.18 (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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    "dateReserved": "2026-05-01T14:12:56.010Z",
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    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-28T11:35:41+00:00",
      "cve": "CVE-2026-43462",
      "id": "CVE-2026-43462",
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      "source": "Red Hat CSAF VEX",
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      "title": "kernel: net: spacemit: Fix error handling in emac_tx_mem_map()",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-43462.json",
      "version": "3"
    }
  }
}



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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.