Executive Summary



This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Informations
Name CVE-2025-21963 First vendor Publication 2025-04-01
Vendor Cve Last vendor Modification 2025-04-14

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Overall CVSS Score 5.5
Base Score 5.5 Environmental Score 5.5
impact SubScore 3.6 Temporal Score 5.5
Exploitabality Sub Score 1.8
 
Attack Vector Local Attack Complexity Low
Privileges Required Low User Interaction None
Scope Unchanged Confidentiality Impact None
Integrity Impact None Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector :
Cvss Base Score N/A Attack Range N/A
Cvss Impact Score N/A Attack Complexity N/A
Cvss Expoit Score N/A Authentication N/A
Calculate full CVSS 2.0 Vectors scores

Detail

In the Linux kernel, the following vulnerability has been resolved:

cifs: Fix integer overflow while processing acdirmax mount option

User-provided mount parameter acdirmax of type u32 is intended to have an upper limit, but before it is validated, the value is converted from seconds to jiffies which can lead to an integer overflow.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-21963

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-190 Integer Overflow or Wraparound (CWE/SANS Top 25)

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 8
Os 3717

Sources (Detail)

https://git.kernel.org/stable/c/0c26edf477e093cefc41637f5bccc102e1a77399
https://git.kernel.org/stable/c/2809a79bc64964ce02e0c5f2d6bd39b9d09bdb3c
https://git.kernel.org/stable/c/39d086bb3558da9640ef335f97453e01d32578a1
https://git.kernel.org/stable/c/5b29891f91dfb8758baf1e2217bef4b16b2b165b
https://git.kernel.org/stable/c/6124cbf73e3dea7591857dd63b8ccece28952afd
https://git.kernel.org/stable/c/9e438d0410a4002d24f420f2c28897ba2dc0af64
Source Url

Alert History

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Date Informations
2025-06-26 02:41:13
  • Multiple Updates
2025-06-25 12:38:18
  • Multiple Updates
2025-06-24 02:45:39
  • Multiple Updates
2025-05-27 02:53:45
  • First insertion