CVE-2025-38676

HIGHNVD 7.87.8—
EchelonGraph scoreMEDIUM confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2025-08-26. 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:

iommu/amd: Avoid stack buffer overflow from kernel cmdline

While the kernel command line is considered trusted in most environments, avoid writing 1 byte past the end of "acpiid" if the "str" argument is maximum length.

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
33%
KEV
Not listed

Published

August 26, 2025

Last Modified

May 12, 2026

Advisory Details (10)

Auto-updated May 12, 2026
Patch available.
generic

SSA-032379

https://cert-portal.siemens.com/productcert/html/ssa-032379.html
generic Patch Available

[SECURITY] [DLA 4328-1] linux-6.1 security update

https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html
generic Patch Available

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

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

iommu/amd: Avoid stack buffer overflow from kernel cmdline - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/a732502bf3bbe859613b6d7b2b0313b11f0474ac
generic

iommu/amd: Avoid stack buffer overflow from kernel cmdline - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/9ff52d3af0ef286535749e14e3fe9eceb39a8349
generic

iommu/amd: Avoid stack buffer overflow from kernel cmdline - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/8f80c633cba144f721d38d9380f23d23ab7db10e
generic

iommu/amd: Avoid stack buffer overflow from kernel cmdline - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/8503d0fcb1086a7cfe26df67ca4bd9bd9e99bdec
generic

iommu/amd: Avoid stack buffer overflow from kernel cmdline - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/736db11c86f03e717fc4bf771d05efdf10d23acb
generic

iommu/amd: Avoid stack buffer overflow from kernel cmdline - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/4bdb0f78bddbfa77d3ab458a21dd9cec495d317a
generic

iommu/amd: Avoid stack buffer overflow from kernel cmdline - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/0ad8509b468fa1058f4f400a1829f29e4ccc4de8

Patch Availability(26)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulinux-xilinx-zynqmp-tools-5.15.0-1061 (5.15.0-1061.65) @ jammy2026-05-21ubuntu
ubuntulinux-tools-realtime-5.15 (5.15.0.1096.100) @ jammy2026-05-21ubuntu
ubuntulinux-tools-gcp-fips-5.15 (5.15.0.1097.87) @ jammy2026-05-21ubuntu
ubuntulinux-tools-azure-edge (5.15.0.1102.111~20.04.1) @ focal2026-05-21ubuntu
ubuntulinux-tools-raspi-nolpae (5.15.0.1091.89) @ jammy2026-05-21ubuntu
ubuntulinux-tools-gkeop-5.15 (5.15.0.1080.79) @ jammy2026-05-21ubuntu
ubuntulinux-tools-azure-fips-5.15 (5.15.0.1101.86) @ jammy2026-05-21ubuntu
ubuntulinux-tools-kvm-5.15 (5.15.0.1089.85) @ jammy2026-05-21ubuntu
ubuntulinux-tools-azure-lts-22.04 (5.15.0.1101.99) @ jammy2026-05-21ubuntu
ubuntulinux-virtual-6.8 (6.8.0-100.100) @ noble2026-05-21ubuntu
ubuntulinux-tools-realtime-hwe-22.04 (6.8.1-1041.42~22.04.1) @ jammy2026-05-21ubuntu
ubuntulinux-virtual-hwe-22.04-edge (6.8.0-100.100~22.04.1) @ jammy2026-05-21ubuntu
ubuntulinux-tools-gcp-edge (6.8.0-1047.50~22.04.2) @ jammy2026-05-21ubuntu
ubuntulinux-tools-realtime-6.8.1 (6.8.1-1041.42) @ noble2026-05-21ubuntu
ubuntulinux-tools-gcp-fips-6.8 (6.8.0-1047.50+fips1) @ noble2026-05-21ubuntu
ubuntulinux-tools-fips-6.8 (6.8.0-100.100+fips1) @ noble2026-05-21ubuntu
ubuntulinux-tools-gke-64k-6.8 (6.8.0-1043.48) @ noble2026-05-21ubuntu
ubuntulinux-tools-lowlatency-hwe-20.04-edge (6.8.0-100.100.1) @ noble2026-05-21ubuntu
ubuntulinux-tools-oracle-lts-24.04 (6.8.0-1043.44) @ noble2026-05-21ubuntu
ubuntulinux-tools-ibm-lts-24.04 (6.8.0-1044.44) @ noble2026-05-21ubuntu
ubuntulinux-xilinx-zynqmp (6.8.0.1023.24) @ noble2026-05-21ubuntu
ubuntulinux-tools-nvidia-lowlatency-64k-6.8 (6.8.0-1046.49.1) @ noble2026-05-21ubuntu
ubuntulinux-tools-azure-lts-24.04 (6.8.0-1046.52) @ noble2026-05-21ubuntu
ubuntulinux-tools-azure-fips-6.8 (6.8.0-1046.52+fips1) @ noble2026-05-21ubuntu
ubuntulinux-tools-azure-edge (6.8.0-1051.57~22.04.1) @ jammy2026-05-21ubuntu
linuxKernel @ 5.10.241—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 5× in last 7d / 39× 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 134 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
  5. 2026-08-02 02:26 UTCEPSS rescore
  6. 2026-08-01 04:15 UTCEPSS rescore
  7. 2026-07-30 16:27 UTCEPSS rescore
  8. 2026-07-30 01:29 UTCEPSS rescore
  9. 2026-07-28 15:35 UTCEPSS rescore
  10. 2026-07-27 13:02 UTCOSV refresh
  11. 2026-07-26 14:54 UTCEPSS rescore
  12. 2026-07-25 14:17 UTCEPSS rescore
  13. 2026-07-25 14:17 UTCEPSS rescore
  14. 2026-07-24 14:17 UTCEPSS rescore
  15. 2026-07-23 02:55 UTCEG score recompute
  16. 2026-07-22 14:07 UTCEPSS rescore
  17. 2026-07-22 14:07 UTCEPSS rescore
  18. 2026-07-21 15:24 UTCEPSS rescore
  19. 2026-07-20 17:07 UTCEPSS rescore
  20. 2026-07-19 14:30 UTCEPSS rescore
  21. 2026-07-19 14:30 UTCEPSS rescore
  22. 2026-07-19 02:28 UTCEPSS rescore
  23. 2026-07-19 02:28 UTCEPSS rescore
  24. 2026-07-18 10:04 UTCEPSS rescore
  25. 2026-07-18 10:04 UTCEPSS rescore
Show 75 more
  1. 2026-07-16 17:02 UTCEPSS rescore
  2. 2026-07-15 16:57 UTCEPSS rescore
  3. 2026-07-15 16:57 UTCEPSS rescore
  4. 2026-07-15 01:59 UTCEPSS rescore
  5. 2026-07-15 01:59 UTCEPSS rescore
  6. 2026-07-13 22:29 UTCEPSS rescore
  7. 2026-07-13 22:29 UTCEPSS rescore
  8. 2026-07-13 06:12 UTCEPSS rescore
  9. 2026-07-12 05:46 UTCEPSS rescore
  10. 2026-07-11 08:27 UTCEPSS rescore
  11. 2026-07-11 08:27 UTCEPSS rescore
  12. 2026-07-10 07:28 UTCOSV refresh
  13. 2026-07-09 19:09 UTCEPSS rescore
  14. 2026-07-09 19:09 UTCEPSS rescore
  15. 2026-07-06 16:27 UTCEPSS rescore
  16. 2026-07-06 16:27 UTCEPSS rescore
  17. 2026-07-06 02:23 UTCEPSS rescore
  18. 2026-07-05 02:30 UTCEPSS rescore
  19. 2026-07-04 06:30 UTCEPSS rescore
  20. 2026-07-01 15:06 UTCEPSS rescore
  21. 2026-07-01 15:06 UTCEPSS rescore
  22. 2026-06-30 23:22 UTCEPSS rescore
  23. 2026-06-30 23:22 UTCEPSS rescore
  24. 2026-06-28 14:07 UTCEPSS rescore
  25. 2026-06-28 14:07 UTCEPSS rescore
  26. 2026-06-28 04:55 UTCEPSS rescore
  27. 2026-06-28 04:55 UTCEPSS rescore
  28. 2026-06-27 03:08 UTCEPSS rescore
  29. 2026-06-27 03:08 UTCEPSS rescore
  30. 2026-06-25 13:49 UTCEPSS rescore
  31. 2026-06-25 13:49 UTCEPSS rescore
  32. 2026-06-24 14:04 UTCEPSS rescore
  33. 2026-06-24 14:04 UTCEPSS rescore
  34. 2026-06-23 21:32 UTCEPSS rescore
  35. 2026-06-23 21:32 UTCEPSS rescore
  36. 2026-06-22 14:25 UTCEPSS rescore
  37. 2026-06-22 14:25 UTCEPSS rescore
  38. 2026-06-21 17:43 UTCOSV refresh
  39. 2026-06-21 14:56 UTCEPSS rescore
  40. 2026-06-21 14:56 UTCEPSS rescore
  41. 2026-06-21 01:59 UTCEPSS rescore
  42. 2026-06-21 01:59 UTCEPSS rescore
  43. 2026-06-19 19:25 UTCEPSS rescore
  44. 2026-06-19 19:25 UTCEPSS rescore
  45. 2026-06-18 17:52 UTCEPSS rescore
  46. 2026-06-18 17:52 UTCEPSS rescore
  47. 2026-06-17 17:52 UTCEPSS rescore
  48. 2026-06-16 17:52 UTCEPSS rescore
  49. 2026-06-16 17:52 UTCEPSS rescore
  50. 2026-06-14 23:17 UTCEPSS rescore
  51. 2026-06-13 23:00 UTCEPSS rescore
  52. 2026-06-12 23:11 UTCEPSS rescore
  53. 2026-06-11 14:00 UTCEPSS rescore
  54. 2026-06-10 22:18 UTCEPSS rescore
  55. 2026-06-10 13:22 UTCEPSS rescore
  56. 2026-06-08 14:16 UTCEPSS rescore
  57. 2026-06-08 14:16 UTCEPSS rescore
  58. 2026-06-07 15:24 UTCEPSS rescore
  59. 2026-06-06 13:47 UTCEPSS rescore
  60. 2026-06-06 13:47 UTCEPSS rescore
  61. 2026-06-05 22:46 UTCEPSS rescore
  62. 2026-06-05 22:46 UTCEPSS rescore
  63. 2026-06-05 06:10 UTCEPSS rescore
  64. 2026-06-05 06:10 UTCEPSS rescore
  65. 2026-06-04 13:12 UTCEPSS rescore
  66. 2026-06-04 13:12 UTCEPSS rescore
  67. 2026-06-02 20:12 UTCEPSS rescore
  68. 2026-06-02 18:32 UTCOSV refresh
  69. 2026-06-01 13:51 UTCEPSS rescore
  70. 2026-06-01 13:51 UTCEPSS rescore
  71. 2026-05-31 22:30 UTCEPSS rescore
  72. 2026-05-31 22:30 UTCEPSS rescore
  73. 2026-05-31 00:16 UTCEPSS rescore
  74. 2026-05-29 13:44 UTCEPSS rescore
  75. 2026-05-28 13:44 UTCEPSS rescore

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

Frequently asked(5)

What is CVE-2025-38676?
CVE-2025-38676 is a high vulnerability published on August 26, 2025. In the Linux kernel, the following vulnerability has been resolved: iommu/amd: Avoid stack buffer overflow from kernel cmdline While the kernel command line is considered trusted in most environments, avoid writing 1 byte past the end of "acpiid" if the "str" argument is maximum length.
When was CVE-2025-38676 disclosed?
CVE-2025-38676 was first published in the National Vulnerability Database on August 26, 2025, with the most recent update on May 12, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-38676 actively exploited?
CVE-2025-38676 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 67.5% of all scored CVEs.
What is the CVSS score of CVE-2025-38676?
CVE-2025-38676 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2025-38676?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-38676, 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.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2025-38676

Explore →

Is Your Infrastructure Affected by CVE-2025-38676?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs