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CVE-2025-39761

Full vulnerability record from the local CVENow database.

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: Decrement TID on RX peer frag setup error handling Currently, TID is not decremented before peer cleanup, during error handling path of ath12k_dp_rx_peer_frag_setup(). This could lead to out-of-bounds access in peer->rx_tid[]. Hence, add a decrement operation for TID, before peer cleanup to ensures proper cleanup and prevents out-of-bounds access issues when the RX peer frag setup fails. Found during code review. Compile tested only.

Severity
HIGH
CVSS score
7.1 (v3.1)
Vulnerability status
Modified
Source identifier
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Published
2025-09-11 17:15:40.153000
Last modified
2026-10-19 21:10:00.160000
View original CVE JSON
{
  "id": "CVE-2025-39761",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2025-09-11T17:15:40.153",
  "lastModified": "2026-10-19T21:10:00.160",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath12k: Decrement TID on RX peer frag setup error handling\n\nCurrently, TID is not decremented before peer cleanup, during error\nhandling path of ath12k_dp_rx_peer_frag_setup(). This could lead to\nout-of-bounds access in peer->rx_tid[].\n\nHence, add a decrement operation for TID, before peer cleanup to\nensures proper cleanup and prevents out-of-bounds access issues when\nthe RX peer frag setup fails.\n\nFound during code review. Compile tested only."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nwifi: ath12k: Decremento del TID en el manejo de errores de configuración de fragmentos de pares RX\n\nActualmente, el TID no se decrementa antes de la limpieza del par, durante la ruta de manejo de errores de ath12k_dp_rx_peer_frag_setup(). Esto podría llevar a un acceso fuera de límites en peer->rx_tid[].\n\nPor lo tanto, se añade una operación de decremento para el TID, antes de la limpieza del par, para asegurar una limpieza adecuada y prevenir problemas de acceso fuera de límites cuando falla la configuración de fragmentos de pares RX.\n\nEncontrado durante la revisión de código. Solo probado en compilación."
    }
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