---
id: CVE-2025-68252
title: |-
  In the Linux kernel, the following vulnerability has been resolved:

  misc: fastrpc: Fix dma_buf object leak in fastrpc_map_lookup

  In fastrpc_map_lookup, dma_buf_get is called to obtain a reference to
  the dma_buf for comparison purposes.…
summary: |-
  In the Linux kernel, the following vulnerability has been resolved:

  misc: fastrpc: Fix dma_buf object leak in fastrpc_map_lookup

  In fastrpc_map_lookup, dma_buf_get is called to obtain a reference to
  the dma_buf for comparison purposes.…
severity: none
published: '2025-12-16'
updated: '2026-10-14'
sourceUpdated: '2026-10-14T13:10:00.187'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-68252'
references:
  - url: 'https://git.kernel.org/stable/c/214e81a63a9aa0be42382ef0365ba5ed32c513ab'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/9a297a68c3ba4a7ecb31ed52f61bd6634abb79d3'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/c2fef5ebb73f3dabae6fbc571d181914ed32c483'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/e17b13387827adce7acb19ac0f07f9bcafe0ff4c'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/fff111bf45cbeeb659324316d68554e35d350092'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
tags:
  - nvd
epss: 0.00186
epssPercentile: 0.07598
ingestedAt: '2026-10-14T13:30:58.467Z'
---

## Overview

In the Linux kernel, the following vulnerability has been resolved:

misc: fastrpc: Fix dma_buf object leak in fastrpc_map_lookup

In fastrpc_map_lookup, dma_buf_get is called to obtain a reference to
the dma_buf for comparison purposes. However, this reference is never
released when the function returns, leading to a dma_buf memory leak.

Fix this by adding dma_buf_put before returning from the function,
ensuring that the temporarily acquired reference is properly released
regardless of whether a matching map is found.

Rule: add

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.