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

Vulnerability from cvelistv5 – Published: 2025-08-26 13:07 – Updated: 2026-05-12 12:05
VLAI?
Title
iommu/amd: Avoid stack buffer overflow from kernel cmdline
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
References
Impacted products
Vendor Product Version
Linux 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)
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Linux 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)
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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

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.