CVE-2025-38676

HIGH EPSS 28.9%
Published Aug 26, 202510mo ago · Modified Jun 17, 20261w ago
7.8 CVSS 3.1
High
Find Similar
Published Aug 26, 2025 10mo ago
Last Modified Jun 17, 2026 1w ago

Description

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 Details

Base Score
7.8
Exploitability
1.8
Impact
5.9
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
28.9% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-787 Out-of-bounds Write Memory Safety

Affected Products 10

VendorProductVersionRange
linuxlinux_kernel*≥5.4.237  –  <5.5
linuxlinux_kernel*≥5.10.175  –  <5.10.241
linuxlinux_kernel*≥5.15.103  –  <5.15.190
linuxlinux_kernel*≥6.1.16  –  <6.1.149
linuxlinux_kernel*≥6.2.3  –  <6.6.103
linuxlinux_kernel*≥6.7  –  <6.12.44
linuxlinux_kernel*≥6.13  –  <6.16.4
linuxlinux_kernel6.17any
linuxlinux_kernel6.17any
debiandebian_linux11.0any

References 10

  • cert-portal.siemens.com https://cert-portal.siemens.com/productcert/html/ssa-032379.html
  • git.kernel.org https://git.kernel.org/stable/c/0ad8509b468fa1058f4f400a1829f29e4ccc4de8
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/4bdb0f78bddbfa77d3ab458a21dd9cec495d317a
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/736db11c86f03e717fc4bf771d05efdf10d23acb
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/8503d0fcb1086a7cfe26df67ca4bd9bd9e99bdec
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/8f80c633cba144f721d38d9380f23d23ab7db10e
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/9ff52d3af0ef286535749e14e3fe9eceb39a8349
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/a732502bf3bbe859613b6d7b2b0313b11f0474ac
    Patch
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html
    Third Party Advisory
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html
    Third Party Advisory

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/0ad8509b468fa1058f4f400a1829f29e4ccc4de8
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/4bdb0f78bddbfa77d3ab458a21dd9cec495d317a
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/736db11c86f03e717fc4bf771d05efdf10d23acb
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/8503d0fcb1086a7cfe26df67ca4bd9bd9e99bdec
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/8f80c633cba144f721d38d9380f23d23ab7db10e
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/9ff52d3af0ef286535749e14e3fe9eceb39a8349
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/a732502bf3bbe859613b6d7b2b0313b11f0474ac
    Patch