CVE-2025-38555

HIGHNVD 7.87.8—
EchelonGraph scoreMEDIUM confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2025-08-19. NVD baseline CVSS 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 4 sources updated this week
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:

usb: gadget : fix use-after-free in composite_dev_cleanup()

  • In func configfs_composite_bind() -> composite_os_desc_req_prepare():
if kmalloc fails, the pointer cdev->os_desc_req will be freed but not set to NULL. Then it will return a failure to the upper-level function.
  • in func configfs_composite_bind() -> composite_dev_cleanup():
it will checks whether cdev->os_desc_req is NULL. If it is not NULL, it will attempt to use it.This will lead to a use-after-free issue.

BUG: KASAN: use-after-free in composite_dev_cleanup+0xf4/0x2c0 Read of size 8 at addr 0000004827837a00 by task init/1

CPU: 10 PID: 1 Comm: init Tainted: G O 5.10.97-oh #1 kasan_report+0x188/0x1cc __asan_load8+0xb4/0xbc composite_dev_cleanup+0xf4/0x2c0 configfs_composite_bind+0x210/0x7ac udc_bind_to_driver+0xb4/0x1ec usb_gadget_probe_driver+0xec/0x21c gadget_dev_desc_UDC_store+0x264/0x27c

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
7%
KEV
Not listed

Published

August 19, 2025

Last Modified

August 5, 2026

Advisory Details (10)

Auto-updated Jul 30, 2026
Patch available.
generic Patch Available

[SECURITY] [DLA 4327-1] linux security update

https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html
generic

usb: gadget : fix use-after-free in composite_dev_cleanup() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/e624bf26127645a2f7821e73fdf6dc64bad07835
generic

usb: gadget : fix use-after-free in composite_dev_cleanup() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/e1be1f380c82a69f80c68c96a7cfe8759fb30355
generic

usb: gadget : fix use-after-free in composite_dev_cleanup() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/dba96dfa5a0f685b959dd28a52ac8dab0b805204
generic

usb: gadget : fix use-after-free in composite_dev_cleanup() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/bd3c4ef60baf7f65c963f3e12d9d7b2b091e20ba
generic

usb: gadget : fix use-after-free in composite_dev_cleanup() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/aada327a9f8028c573636fa60c0abc80fb8135c9
generic

usb: gadget : fix use-after-free in composite_dev_cleanup() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/8afb22aa063f706f3343707cdfb8cda4d021dd33
generic

usb: gadget : fix use-after-free in composite_dev_cleanup() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/5f06ee9f9a3665d43133f125c17e5258a13f3963
generic

usb: gadget : fix use-after-free in composite_dev_cleanup() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/2db29235e900a084a656dea7e0939b0abb7bb897
generic

usb: gadget : fix use-after-free in composite_dev_cleanup() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/151c0aa896c47a4459e07fee7d4843f44c1bb18e

Patch Availability(31)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulinux-virtual-hwe-24.04-edge (6.14.0-36.36) @ plucky2026-05-30ubuntu
ubuntulinux-tools-realtime-hwe-24.04-edge (6.14.0-1016.16~24.04.1) @ noble2026-05-30ubuntu
ubuntulinux-tools-oem-6.14 (6.14.0-1016.16) @ noble2026-05-30ubuntu
ubuntulinux-tools-oracle-edge (6.14.0-1017.17~24.04.1) @ noble2026-05-30ubuntu
ubuntulinux-xilinx-zynqmp-tools-5.15.0-1061 (5.15.0-1061.65) @ jammy2026-05-30ubuntu
ubuntulinux-tools-raspi-6.14 (6.14.0-1018.18) @ plucky2026-05-30ubuntu
ubuntulinux-tools-realtime-5.15 (5.15.0.1096.100) @ jammy2026-05-30ubuntu
ubuntulinux-tools-gcp-fips-5.15 (5.15.0.1097.87) @ jammy2026-05-30ubuntu
ubuntulinux-tools-azure-fips-5.15 (5.15.0.1101.86) @ jammy2026-05-30ubuntu
ubuntulinux-tools-kvm-5.15 (5.15.0.1089.85) @ jammy2026-05-30ubuntu
ubuntulinux-tools-raspi-nolpae (5.15.0.1091.89) @ jammy2026-05-30ubuntu
ubuntulinux-tools-azure-lts-22.04 (5.15.0.1101.99) @ jammy2026-05-30ubuntu
ubuntulinux-tools-gkeop-5.15 (5.15.0.1080.79) @ jammy2026-05-30ubuntu
ubuntulinux-tools-azure-6.14 (6.14.0-1017.17) @ plucky2026-05-30ubuntu
ubuntulinux-tools-azure-edge (5.15.0.1102.111~20.04.1) @ focal2026-05-30ubuntu
ubuntulinux-virtual-6.8 (6.8.0-100.100) @ noble2026-05-30ubuntu
ubuntulinux-tools-realtime-hwe-22.04 (6.8.1-1041.42~22.04.1) @ jammy2026-05-30ubuntu
ubuntulinux-tools-ibm-lts-24.04 (6.8.0-1044.44) @ noble2026-05-30ubuntu
ubuntulinux-tools-gke-64k-6.8 (6.8.0-1043.48) @ noble2026-05-30ubuntu
ubuntulinux-tools-fips-6.8 (6.8.0-100.100+fips1) @ noble2026-05-30ubuntu
ubuntulinux-virtual-hwe-22.04-edge (6.8.0-100.100~22.04.1) @ jammy2026-05-30ubuntu
ubuntulinux-tools-lowlatency-hwe-20.04-edge (6.8.0-100.100.1) @ noble2026-05-30ubuntu
ubuntulinux-tools-nvidia-lowlatency-64k-6.8 (6.8.0-1046.49.1) @ noble2026-05-30ubuntu
ubuntulinux-tools-gcp-fips-6.8 (6.8.0-1047.50+fips1) @ noble2026-05-30ubuntu
ubuntulinux-tools-oracle-lts-24.04 (6.8.0-1043.44) @ noble2026-05-30ubuntu
ubuntulinux-tools-gcp-edge (6.8.0-1047.50~22.04.2) @ jammy2026-05-30ubuntu
ubuntulinux-tools-azure-lts-24.04 (6.8.0-1046.52) @ noble2026-05-30ubuntu
ubuntulinux-tools-realtime-6.8.1 (6.8.1-1041.42) @ noble2026-05-30ubuntu
ubuntulinux-xilinx-zynqmp (6.8.0.1023.24) @ noble2026-05-30ubuntu
ubuntulinux-tools-azure-fips-6.8 (6.8.0-1046.52+fips1) @ noble2026-05-30ubuntu
linuxKernel @ 5.4.297—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

(25)

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 9× in last 7d / 43× 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 109 total refreshes for this CVE.

  1. 2026-08-07 16:26 UTCEPSS rescore
  2. 2026-08-06 13:46 UTCEPSS rescore
  3. 2026-08-05 13:01 UTCEG score recompute
  4. 2026-08-05 13:01 UTCVendor advisory
  5. 2026-08-05 13:01 UTCGHSA enrichment
  6. 2026-08-04 15:09 UTCEPSS rescore
  7. 2026-08-04 10:37 UTCEPSS rescore
  8. 2026-08-03 10:35 UTCEPSS rescore
  9. 2026-08-02 02:26 UTCEPSS rescore
  10. 2026-08-01 04:15 UTCEPSS rescore
  11. 2026-07-30 16:27 UTCEPSS rescore
  12. 2026-07-30 07:04 UTCEG score recompute
  13. 2026-07-30 07:04 UTCVendor advisory
  14. 2026-07-30 07:03 UTCGHSA enrichment
  15. 2026-07-30 01:29 UTCEPSS rescore
  16. 2026-07-28 15:35 UTCEPSS rescore
  17. 2026-07-26 14:54 UTCEPSS rescore
  18. 2026-07-24 14:17 UTCEPSS rescore
  19. 2026-07-23 22:11 UTCOSV refresh
  20. 2026-07-23 02:54 UTCEG score recompute
  21. 2026-07-22 14:07 UTCEPSS rescore
  22. 2026-07-22 14:07 UTCEPSS rescore
  23. 2026-07-21 15:24 UTCEPSS rescore
  24. 2026-07-20 17:07 UTCEPSS rescore
  25. 2026-07-19 14:30 UTCEPSS rescore
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  1. 2026-07-19 14:30 UTCEPSS rescore
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  4. 2026-07-18 10:04 UTCEPSS rescore
  5. 2026-07-18 10:04 UTCEPSS rescore
  6. 2026-07-16 17:02 UTCEPSS rescore
  7. 2026-07-15 16:57 UTCEPSS rescore
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  9. 2026-07-15 01:59 UTCEPSS rescore
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  11. 2026-07-13 22:29 UTCEPSS rescore
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  14. 2026-07-12 05:46 UTCEPSS rescore
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  17. 2026-07-09 19:09 UTCEPSS rescore
  18. 2026-07-09 19:09 UTCEPSS rescore
  19. 2026-07-07 13:45 UTCEPSS rescore
  20. 2026-07-06 16:51 UTCOSV refresh
  21. 2026-07-06 16:27 UTCEPSS rescore
  22. 2026-07-06 16:27 UTCEPSS rescore
  23. 2026-07-06 02:23 UTCEPSS rescore
  24. 2026-07-05 02:30 UTCEPSS rescore
  25. 2026-07-04 06:30 UTCEPSS rescore
  26. 2026-07-01 15:06 UTCEPSS rescore
  27. 2026-07-01 15:06 UTCEPSS rescore
  28. 2026-06-30 23:22 UTCEPSS rescore
  29. 2026-06-30 23:22 UTCEPSS rescore
  30. 2026-06-29 14:06 UTCEPSS rescore
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  32. 2026-06-28 14:07 UTCEPSS rescore
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  36. 2026-06-27 03:08 UTCEPSS rescore
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  38. 2026-06-25 13:49 UTCEPSS rescore
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  40. 2026-06-24 14:04 UTCEPSS rescore
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  42. 2026-06-23 21:32 UTCEPSS rescore
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  44. 2026-06-22 14:25 UTCEPSS rescore
  45. 2026-06-22 14:25 UTCEPSS rescore
  46. 2026-06-21 14:56 UTCEPSS rescore
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  48. 2026-06-21 01:59 UTCEPSS rescore
  49. 2026-06-21 01:59 UTCEPSS rescore
  50. 2026-06-19 19:25 UTCEPSS rescore
  51. 2026-06-19 19:25 UTCEPSS rescore
  52. 2026-06-18 17:52 UTCEPSS rescore
  53. 2026-06-18 17:52 UTCEPSS rescore
  54. 2026-06-18 05:05 UTCOSV refresh
  55. 2026-06-17 17:52 UTCEPSS rescore
  56. 2026-06-16 17:52 UTCEPSS rescore
  57. 2026-06-16 17:52 UTCEPSS rescore
  58. 2026-06-14 23:17 UTCEPSS rescore
  59. 2026-06-13 23:00 UTCEPSS rescore
  60. 2026-06-12 23:11 UTCEPSS rescore
  61. 2026-06-11 14:00 UTCEPSS rescore
  62. 2026-06-10 22:18 UTCEPSS rescore
  63. 2026-06-10 13:22 UTCEPSS rescore
  64. 2026-06-08 14:16 UTCEPSS rescore
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  66. 2026-06-07 15:24 UTCEPSS rescore
  67. 2026-06-06 13:47 UTCEPSS rescore
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  69. 2026-06-05 22:46 UTCEPSS rescore
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  73. 2026-06-04 13:12 UTCEPSS rescore
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  75. 2026-06-02 20:12 UTCEPSS rescore

Related CVEs(same product + same vendor + same CWE)

Frequently asked(5)

What is CVE-2025-38555?
CVE-2025-38555 is a high vulnerability published on August 19, 2025. In the Linux kernel, the following vulnerability has been resolved: usb: gadget : fix use-after-free in compositedevcleanup() 1. In func configfscompositebind() -> compositeosdescreqprepare(): if kmalloc fails, the pointer cdev->osdescreq will be freed but not set to NULL. Then it will return a…
When was CVE-2025-38555 disclosed?
CVE-2025-38555 was first published in the National Vulnerability Database on August 19, 2025, with the most recent update on August 5, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-38555 actively exploited?
CVE-2025-38555 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 93.0% of all scored CVEs.
What is the CVSS score of CVE-2025-38555?
CVE-2025-38555 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2025-38555?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-38555, 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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