CVE-2025-39750 (GCVE-0-2025-39750)

Vulnerability from cvelistv5 – Published: 2025-09-11 16:52 – Updated: 2026-10-15 22:02
VLAI
Title
wifi: ath12k: Correct tid cleanup when tid setup fails
Summary
In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: Correct tid cleanup when tid setup fails Currently, if any error occurs during ath12k_dp_rx_peer_tid_setup(), the tid value is already incremented, even though the corresponding TID is not actually allocated. Proceed to ath12k_dp_rx_peer_tid_delete() starting from unallocated tid, which might leads to freeing unallocated TID and cause potential crash or out-of-bounds access. Hence, fix by correctly decrementing tid before cleanup to match only the successfully allocated TIDs. Also, remove tid-- from failure case of ath12k_dp_rx_peer_frag_setup(), as decrementing the tid before cleanup in loop will take care of this. Compile tested only.
Severity
8.8 (High)
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-15 21:53 UTC
Assigner
Linux CNA under the mitre root
CNA scorecard D 53/100 over 7034 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: d889913205cf7ebda905b1e62c5867ed4e39f6c2 , < 30cad87978057516c93467516bc481a3eacfd66a (git)
Affected: d889913205cf7ebda905b1e62c5867ed4e39f6c2 , < 2ef17d1476ab26bce89764e2f16833d7f52acc38 (git)
Affected: d889913205cf7ebda905b1e62c5867ed4e39f6c2 , < 907c630e58af9e86e215f3951c7b287bd86d0f15 (git)
Affected: d889913205cf7ebda905b1e62c5867ed4e39f6c2 , < 6301fe4f209165334d251a1c6da8ae47f93cb32c (git)
Affected: d889913205cf7ebda905b1e62c5867ed4e39f6c2 , < 4a2bf707270f897ab8077baee8ed5842a5321686 (git)
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Linux Linux Affected: 6.3
Unaffected: 0 , < 6.3 (semver)
Unaffected: 6.6.103 , ≤ 6.6.* (semver)
Unaffected: 6.12.43 , ≤ 6.12.* (semver)
Unaffected: 6.15.11 , ≤ 6.15.* (semver)
Unaffected: 6.16.2 , ≤ 6.16.* (semver)
Unaffected: 6.17 , ≤ * (original_commit_for_fix)
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            "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nwifi: ath12k: Limpieza correcta de tid cuando la configuraci\u00f3n de tid falla\n\nActualmente, si ocurre alg\u00fan error durante ath12k_dp_rx_peer_tid_setup(), el valor de tid ya est\u00e1 incrementado, a pesar de que el TID correspondiente no est\u00e1 realmente asignado. Se procede a ath12k_dp_rx_peer_tid_delete() comenzando desde un tid no asignado, lo que podr\u00eda llevar a liberar un TID no asignado y causar un posible fallo o acceso fuera de l\u00edmites.\n\nPor lo tanto, se corrige decrementando correctamente tid antes de la limpieza para que coincida solo con los TIDs asignados con \u00e9xito.\n\nAdem\u00e1s, se elimina tid-- del caso de fallo de ath12k_dp_rx_peer_frag_setup(), ya que decrementar el tid antes de la limpieza en el bucle se encargar\u00e1 de esto.\n\nSolo probado en compilaci\u00f3n."
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        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-125"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-07-30T08:57:26+00:00",
      "cve": "CVE-2025-39750",
      "id": "CVE-2025-39750",
      "initial_release_date": "2025-09-11T00:00:00+00:00",
      "product_status:known_affected": "108",
      "product_status:known_not_affected": "166",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: wifi: ath12k: Correct tid cleanup when tid setup fails",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-39750.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

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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.
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  • 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.
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