CVE-2025-38438

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

MEDIUM
5.5
CVSS Score
Published: July 25, 2025 at 03:27 PM UTC
Updated: June 17, 2026 at 09:16 AM UTC
1 product affected across 1 vendorLinux Kernel

Using Linux by Linux?

Get instant alerts when new vulnerabilities affect Linux - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%

Description

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

5.2 ≤ v < 6.12.395.2 ≤ v < 6.15.75.2 ≤ v < 6.166.13 ≤ v < 6.15.75.26.16 rc16.16 rc26.16 rc3dd96daca6c83ecaf37f38ff49d8d174bbff576b4
Vendor states this is fixed in 58ecf51af12cb32b890858b52b2c34e80590c74a (fixed)
Vendor states this is fixed in 68397fda2caa90e99a7c0bcb2cf604e42ef3b91f (fixed)
Vendor states this is fixed in 6c038b58a2dc5a008c7e7a1297f5aaa4deaaaa7e (fixed)
Vendor states this is fixed in 5.2 (unaffected)
Vendor states this is fixed in 6.12.39 (unaffected)
Vendor states this is fixed in 6.15.7 (unaffected)
Vendor states this is fixed in 6.16 (unaffected)

References (3)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/58ecf51af12cb32b890858b52b2c34e80590c74a
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/68397fda2caa90e99a7c0bcb2cf604e42ef3b91f
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/6c038b58a2dc5a008c7e7a1297f5aaa4deaaaa7e

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-401

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card