---
id: CVE-2025-38438
title: 'ASoC: SOF: Intel: hda: Use devm_kstrdup() to avoid memleak.'
summary: |-
  In the Linux kernel, the following vulnerability has been resolved:

  ASoC: SOF: Intel: hda: Use devm_kstrdup() to avoid memleak.

  sof_pdata->tplg_filename can have address allocated by kstrdup()
  and can be overwritten. Memory leak was de…
severity: none
vendor: Linux
product: Linux
affected:
  - >-
    Linux >= dd96daca6c83ecaf37f38ff49d8d174bbff576b4 <
    68397fda2caa90e99a7c0bcb2cf604e42ef3b91f
  - >-
    Linux >= dd96daca6c83ecaf37f38ff49d8d174bbff576b4 <
    58ecf51af12cb32b890858b52b2c34e80590c74a
  - >-
    Linux >= dd96daca6c83ecaf37f38ff49d8d174bbff576b4 <
    6c038b58a2dc5a008c7e7a1297f5aaa4deaaaa7e
  - Linux 5.2
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-11-05T20:56:37.226691Z'
published: '2025-07-25'
updated: '2026-11-05'
sourceUpdated: '2026-11-05T21:02:37.960Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2025-38438'
references:
  - url: 'https://git.kernel.org/stable/c/68397fda2caa90e99a7c0bcb2cf604e42ef3b91f'
  - url: 'https://git.kernel.org/stable/c/58ecf51af12cb32b890858b52b2c34e80590c74a'
  - url: 'https://git.kernel.org/stable/c/6c038b58a2dc5a008c7e7a1297f5aaa4deaaaa7e'
tags:
  - cve.org
epss: 0.00187
epssPercentile: 0.08303
ingestedAt: '2026-11-05T22:38:31.970Z'
---

## Overview

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

ASoC: SOF: Intel: hda: Use devm_kstrdup() to avoid memleak.

sof_pdata->tplg_filename can have address allocated by kstrdup()
and can be overwritten. Memory leak was detected with kmemleak:

unreferenced object 0xffff88812391ff60 (size 16):
  comm "kworker/4:1", pid 161, jiffies 4294802931
  hex dump (first 16 bytes):
    73 6f 66 2d 68 64 61 2d 67 65 6e 65 72 69 63 00  sof-hda-generic.
  backtrace (crc 4bf1675c):
    __kmalloc_node_track_caller_noprof+0x49c/0x6b0
    kstrdup+0x46/0xc0
    hda_machine_select.cold+0x1de/0x12cf [snd_sof_intel_hda_generic]
    sof_init_environment+0x16f/0xb50 [snd_sof]
    sof_probe_continue+0x45/0x7c0 [snd_sof]
    sof_probe_work+0x1e/0x40 [snd_sof]
    process_one_work+0x894/0x14b0
    worker_thread+0x5e5/0xfb0
    kthread+0x39d/0x760
    ret_from_fork+0x31/0x70
    ret_from_fork_asm+0x1a/0x30

## Affected

- `Linux >= dd96daca6c83ecaf37f38ff49d8d174bbff576b4 < 68397fda2caa90e99a7c0bcb2cf604e42ef3b91f`
- `Linux >= dd96daca6c83ecaf37f38ff49d8d174bbff576b4 < 58ecf51af12cb32b890858b52b2c34e80590c74a`
- `Linux >= dd96daca6c83ecaf37f38ff49d8d174bbff576b4 < 6c038b58a2dc5a008c7e7a1297f5aaa4deaaaa7e`
- `Linux 5.2`

## Remediation

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