CVE-2025-21815

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2025-21815
In the Linux kernel, the following vulnerability has been resolved: mm/compaction: fix UBSAN shift-out-of-bounds warning syzkaller reported a UBSAN shift-out-of-bounds warning of (1UL << order) in isolate_freepages_block(). The bogus compound_order can be any value because it is union with flags. Add back the MAX_PAGE_ORDER check to fix the warning.

7.1 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.2

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://git.kernel.org/stable/c/10b7d3eb535098ccd4c82a182a33655d8a0e5c88 Patch
https://git.kernel.org/stable/c/4491159774d973a9e2e998d25d8fbb20fada6dfa Patch
https://git.kernel.org/stable/c/d1366e74342e75555af2648a2964deb2d5c92200 Patch
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
History

28 Oct 2025, 02:53

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 7.1
Summary
  • (es) En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: mm/compaction: se corrige la advertencia de cambio fuera de los límites de UBSAN syzkaller informó una advertencia de cambio fuera de los límites de UBSAN de (1UL &lt;&lt; order) en isolate_freepages_block(). El compuesto falso puede ser cualquier valor porque es una unión con indicadores. Vuelva a agregar la verificación MAX_PAGE_ORDER para corregir la advertencia.
First Time Linux linux Kernel
Linux
CPE cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
CWE CWE-125
References () https://git.kernel.org/stable/c/10b7d3eb535098ccd4c82a182a33655d8a0e5c88 - () https://git.kernel.org/stable/c/10b7d3eb535098ccd4c82a182a33655d8a0e5c88 - Patch
References () https://git.kernel.org/stable/c/4491159774d973a9e2e998d25d8fbb20fada6dfa - () https://git.kernel.org/stable/c/4491159774d973a9e2e998d25d8fbb20fada6dfa - Patch
References () https://git.kernel.org/stable/c/d1366e74342e75555af2648a2964deb2d5c92200 - () https://git.kernel.org/stable/c/d1366e74342e75555af2648a2964deb2d5c92200 - Patch

27 Feb 2025, 20:16

Type Values Removed Values Added
New CVE
Information

Published : 2025-02-27 20:16

Updated : 2025-10-28 02:53

NVD link : CVE-2025-21815

Mitre link : CVE-2025-21815

CVE.ORG link : CVE-2025-21815

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-125

Out-of-bounds Read