github - ghsa-4grh-3wrc-7rxm

GHSA-4GRH-3WRC-7RXM

Vulnerability from github – Published: 2025-08-26 15:31 – Updated: 2025-11-03 18:31

Details

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.

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{
  "affected": [],
  "aliases": [
    "CVE-2025-38676"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-08-26T13:15:32Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\niommu/amd: Avoid stack buffer overflow from kernel cmdline\n\nWhile the kernel command line is considered trusted in most environments,\navoid writing 1 byte past the end of \"acpiid\" if the \"str\" argument is\nmaximum length.",
  "id": "GHSA-4grh-3wrc-7rxm",
  "modified": "2025-11-03T18:31:36Z",
  "published": "2025-08-26T15:31:00Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-38676"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0ad8509b468fa1058f4f400a1829f29e4ccc4de8"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4bdb0f78bddbfa77d3ab458a21dd9cec495d317a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/736db11c86f03e717fc4bf771d05efdf10d23acb"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8503d0fcb1086a7cfe26df67ca4bd9bd9e99bdec"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8f80c633cba144f721d38d9380f23d23ab7db10e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9ff52d3af0ef286535749e14e3fe9eceb39a8349"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a732502bf3bbe859613b6d7b2b0313b11f0474ac"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2025-38676 (GCVE-0-2025-38676)

Vulnerability from cvelistv5 – Published: 2025-08-26 13:07 – Updated: 2025-11-03 17:40

Summary

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.

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/a732502bf3bbe8596…
	https://git.kernel.org/stable/c/0ad8509b468fa1058…
	https://git.kernel.org/stable/c/9ff52d3af0ef28653…
	https://git.kernel.org/stable/c/8f80c633cba144f72…
	https://git.kernel.org/stable/c/4bdb0f78bddbfa77d…
	https://git.kernel.org/stable/c/736db11c86f03e717…
	https://git.kernel.org/stable/c/8503d0fcb1086a7cf…

Impacted products

Vendor

Product

Version

Linux

Affected: f2a5ec7f7b28f9b9cd5fac232ff51019a7f7b9e9 , < a732502bf3bbe859613b6d7b2b0313b11f0474ac (git)
Affected: c513043e0afe6a8ba79d00af358655afabb576d2 , < 0ad8509b468fa1058f4f400a1829f29e4ccc4de8 (git)
Affected: 2ae19ac3ea82a5b87a81c10adbb497c9e58bdd60 , < 9ff52d3af0ef286535749e14e3fe9eceb39a8349 (git)
Affected: b6b26d86c61c441144c72f842f7469bb686e1211 , < 8f80c633cba144f721d38d9380f23d23ab7db10e (git)
Affected: b6b26d86c61c441144c72f842f7469bb686e1211 , < 4bdb0f78bddbfa77d3ab458a21dd9cec495d317a (git)
Affected: b6b26d86c61c441144c72f842f7469bb686e1211 , < 736db11c86f03e717fc4bf771d05efdf10d23acb (git)
Affected: b6b26d86c61c441144c72f842f7469bb686e1211 , < 8503d0fcb1086a7cfe26df67ca4bd9bd9e99bdec (git)
Affected: 5e97dc748d13fad582136ba0c8cec215c7aeeb17 (git)
Affected: 63cd11165e5e0ea2012254c764003eda1f9adb7d (git)

Linux

Affected: 6.3
Unaffected: 0 , < 6.3 (semver)
Unaffected: 5.10.241 , ≤ 5.10.* (semver)
Unaffected: 5.15.190 , ≤ 5.15.* (semver)
Unaffected: 6.1.149 , ≤ 6.1.* (semver)
Unaffected: 6.6.103 , ≤ 6.6.* (semver)
Unaffected: 6.12.44 , ≤ 6.12.* (semver)
Unaffected: 6.16.4 , ≤ 6.16.* (semver)
Unaffected: 6.17 , ≤ * (original_commit_for_fix)

Show details on NVD website

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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-4GRH-3WRC-7RXM

CVE-2025-38676 (GCVE-0-2025-38676)

Tags

Sightings

Nomenclature