CVE-2025-38676

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2025-38676
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.

7.8 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://git.kernel.org/stable/c/0ad8509b468fa1058f4f400a1829f29e4ccc4de8 Patch
https://git.kernel.org/stable/c/4bdb0f78bddbfa77d3ab458a21dd9cec495d317a Patch
https://git.kernel.org/stable/c/736db11c86f03e717fc4bf771d05efdf10d23acb Patch
https://git.kernel.org/stable/c/8503d0fcb1086a7cfe26df67ca4bd9bd9e99bdec Patch
https://git.kernel.org/stable/c/8f80c633cba144f721d38d9380f23d23ab7db10e Patch
https://git.kernel.org/stable/c/9ff52d3af0ef286535749e14e3fe9eceb39a8349 Patch
https://git.kernel.org/stable/c/a732502bf3bbe859613b6d7b2b0313b11f0474ac Patch
https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html Third Party Advisory
https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html Third Party Advisory
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.17:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.17:rc2:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
History

08 Jan 2026, 22:30

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 7.8
CWE CWE-787
CPE cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.17:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.17:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
First Time Linux
Debian
Debian debian Linux
Linux linux Kernel
References () https://git.kernel.org/stable/c/0ad8509b468fa1058f4f400a1829f29e4ccc4de8 - () https://git.kernel.org/stable/c/0ad8509b468fa1058f4f400a1829f29e4ccc4de8 - Patch
References () https://git.kernel.org/stable/c/4bdb0f78bddbfa77d3ab458a21dd9cec495d317a - () https://git.kernel.org/stable/c/4bdb0f78bddbfa77d3ab458a21dd9cec495d317a - Patch
References () https://git.kernel.org/stable/c/736db11c86f03e717fc4bf771d05efdf10d23acb - () https://git.kernel.org/stable/c/736db11c86f03e717fc4bf771d05efdf10d23acb - Patch
References () https://git.kernel.org/stable/c/8503d0fcb1086a7cfe26df67ca4bd9bd9e99bdec - () https://git.kernel.org/stable/c/8503d0fcb1086a7cfe26df67ca4bd9bd9e99bdec - Patch
References () https://git.kernel.org/stable/c/8f80c633cba144f721d38d9380f23d23ab7db10e - () https://git.kernel.org/stable/c/8f80c633cba144f721d38d9380f23d23ab7db10e - Patch
References () https://git.kernel.org/stable/c/9ff52d3af0ef286535749e14e3fe9eceb39a8349 - () https://git.kernel.org/stable/c/9ff52d3af0ef286535749e14e3fe9eceb39a8349 - Patch
References () https://git.kernel.org/stable/c/a732502bf3bbe859613b6d7b2b0313b11f0474ac - () https://git.kernel.org/stable/c/a732502bf3bbe859613b6d7b2b0313b11f0474ac - Patch
References () https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html - () https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html - Third Party Advisory
References () https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html - () https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html - Third Party Advisory

03 Nov 2025, 18:16

Type Values Removed Values Added
References
  • () https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html -
  • () https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html -

28 Aug 2025, 15:15

Type Values Removed Values Added
References
  • () https://git.kernel.org/stable/c/0ad8509b468fa1058f4f400a1829f29e4ccc4de8 -
  • () https://git.kernel.org/stable/c/4bdb0f78bddbfa77d3ab458a21dd9cec495d317a -
  • () https://git.kernel.org/stable/c/736db11c86f03e717fc4bf771d05efdf10d23acb -
  • () https://git.kernel.org/stable/c/8f80c633cba144f721d38d9380f23d23ab7db10e -
  • () https://git.kernel.org/stable/c/9ff52d3af0ef286535749e14e3fe9eceb39a8349 -
  • () https://git.kernel.org/stable/c/a732502bf3bbe859613b6d7b2b0313b11f0474ac -
Summary
  • (es) En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: iommu/amd: evitar el desbordamiento del búfer de pila desde la línea de comandos del kernel. Si bien la línea de comandos del kernel se considera confiable en la mayoría de los entornos, evite escribir 1 byte después del final de "acpiid" si el argumento "str" tiene la longitud máxima.

26 Aug 2025, 13:15

Type Values Removed Values Added
New CVE
Information

Published : 2025-08-26 13:15

Updated : 2026-01-08 22:30

NVD link : CVE-2025-38676

Mitre link : CVE-2025-38676

CVE.ORG link : CVE-2025-38676

JSON object : View

Products Affected

debian

  • debian_linux

linux

  • linux_kernel
CWE
CWE-787

Out-of-bounds Write