CVE-2025-38056

HIGHNVD 7.87.8—
EchelonGraph scoreMEDIUM confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2025-06-18. NVD baseline CVSS 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
7.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.8Exploit: None knownExposed: 0

A fix is available — apply it.

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

ASoC: SOF: Intel: hda: Fix UAF when reloading module

hda_generic_machine_select() appends -idisp to the tplg filename by allocating a new string with devm_kasprintf(), then stores the string right back into the global variable snd_soc_acpi_intel_hda_machines. When the module is unloaded, this memory is freed, resulting in a global variable pointing to freed memory. Reloading the module then triggers a use-after-free:

BUG: KFENCE: use-after-free read in string+0x48/0xe0

Use-after-free read at 0x00000000967e0109 (in kfence-#99): string+0x48/0xe0 vsnprintf+0x329/0x6e0 devm_kvasprintf+0x54/0xb0 devm_kasprintf+0x58/0x80 hda_machine_select.cold+0x198/0x17a2 [snd_sof_intel_hda_generic] sof_probe_work+0x7f/0x600 [snd_sof] process_one_work+0x17b/0x330 worker_thread+0x2ce/0x3f0 kthread+0xcf/0x100 ret_from_fork+0x31/0x50 ret_from_fork_asm+0x1a/0x30

kfence-#99: 0x00000000198a940f-0x00000000ace47d9d, size=64, cache=kmalloc-64

allocated by task 333 on cpu 8 at 17.798069s (130.453553s ago): devm_kmalloc+0x52/0x120 devm_kvasprintf+0x66/0xb0 devm_kasprintf+0x58/0x80 hda_machine_select.cold+0x198/0x17a2 [snd_sof_intel_hda_generic] sof_probe_work+0x7f/0x600 [snd_sof] process_one_work+0x17b/0x330 worker_thread+0x2ce/0x3f0 kthread+0xcf/0x100 ret_from_fork+0x31/0x50 ret_from_fork_asm+0x1a/0x30

freed by task 1543 on cpu 4 at 141.586686s (6.665010s ago): release_nodes+0x43/0xb0 devres_release_all+0x90/0xf0 device_unbind_cleanup+0xe/0x70 device_release_driver_internal+0x1c1/0x200 driver_detach+0x48/0x90 bus_remove_driver+0x6d/0xf0 pci_unregister_driver+0x42/0xb0 __do_sys_delete_module+0x1d1/0x310 do_syscall_64+0x82/0x190 entry_SYSCALL_64_after_hwframe+0x76/0x7e

Fix it by copying the match array with devm_kmemdup_array() before we modify it.

CVSS v3
7.8
EG Score
7.8(medium)
EG Risk
40(Track)
EG Risk 40/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity78% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
6%
KEV
Not listed

Published

June 18, 2025

Last Modified

November 14, 2025

References (3)

Patch Availability(4)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulinux-virtual-hwe-24.04-edge (6.14.0-28.28) @ plucky2026-05-30ubuntu
ubuntulinux-virtual-hwe-24.04-edge (6.14.0-28.28~24.04.1) @ noble2026-05-30ubuntu
ubuntulinux-tools-azure-6.14 (6.14.0-1010.10) @ plucky2026-05-30ubuntu
linuxKernel @ 6.12.31—osv

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

All Vendor Advisories

(3)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 6× in last 7d / 37× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 101 total refreshes for this CVE.

  1. 2026-08-07 16:26 UTCEPSS rescore
  2. 2026-08-06 13:46 UTCEPSS rescore
  3. 2026-08-04 15:09 UTCEPSS rescore
  4. 2026-08-04 10:37 UTCEPSS rescore
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  15. 2026-07-24 03:11 UTCOSV refresh
  16. 2026-07-23 02:54 UTCEG score recompute
  17. 2026-07-22 14:07 UTCEPSS rescore
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  1. 2026-07-18 10:04 UTCEPSS rescore
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  14. 2026-07-06 22:45 UTCOSV refresh
  15. 2026-07-06 16:27 UTCEPSS rescore
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  41. 2026-06-19 19:25 UTCEPSS rescore
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  43. 2026-06-18 17:52 UTCEPSS rescore
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  45. 2026-06-18 09:43 UTCOSV refresh
  46. 2026-06-17 17:52 UTCEPSS rescore
  47. 2026-06-16 17:52 UTCEPSS rescore
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  49. 2026-06-14 23:17 UTCEPSS rescore
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  67. 2026-06-01 13:51 UTCEPSS rescore
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  69. 2026-05-31 22:30 UTCEPSS rescore
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  71. 2026-05-31 00:16 UTCEPSS rescore
  72. 2026-05-30 03:27 UTCEG score recompute
  73. 2026-05-30 03:27 UTCVendor advisory
  74. 2026-05-30 03:27 UTCGHSA enrichment
  75. 2026-05-30 00:12 UTCOSV refresh

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Frequently asked(5)

What is CVE-2025-38056?
CVE-2025-38056 is a high vulnerability published on June 18, 2025. In the Linux kernel, the following vulnerability has been resolved: ASoC: SOF: Intel: hda: Fix UAF when reloading module hdagenericmachine_select() appends -idisp to the tplg filename by allocating a new string with devm_kasprintf(), then stores the string right back into the global variable…
When was CVE-2025-38056 disclosed?
CVE-2025-38056 was first published in the National Vulnerability Database on June 18, 2025, with the most recent update on November 14, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-38056 actively exploited?
CVE-2025-38056 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 94.3% of all scored CVEs.
What is the CVSS score of CVE-2025-38056?
CVE-2025-38056 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2025-38056?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-38056, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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