Executive Summary

Informations
Name CVE-2025-21793 First vendor Publication 2025-02-27
Vendor Cve Last vendor Modification 2025-03-05

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:

spi: sn-f-ospi: Fix division by zero

When there is no dummy cycle in the spi-nor commands, both dummy bus cycle bytes and width are zero. Because of the cpu's warning when divided by zero, the warning should be avoided. Return just zero to avoid such calculations.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-21793

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-369 Divide By Zero

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 8
Os 3713

Sources (Detail)

https://git.kernel.org/stable/c/3588b1c0fde2f58d166e3f94a5a58d64b893526c
https://git.kernel.org/stable/c/4df6f005bef04a3dd16c028124a1b5684db3922b
https://git.kernel.org/stable/c/7434135553bc03809a55803ee6a8dcaae6240d55
https://git.kernel.org/stable/c/966328191b4c389c0f2159fa242915f51cbc1679
Source Url

Alert History

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Date Informations
2025-06-26 02:41:00
  • Multiple Updates
2025-06-25 12:38:04
  • Multiple Updates
2025-06-24 02:45:27
  • Multiple Updates
2025-05-27 02:52:28
  • Multiple Updates
2025-03-29 03:46:33
  • Multiple Updates
2025-03-28 13:49:03
  • Multiple Updates
2025-03-28 03:24:24
  • Multiple Updates
2025-03-25 16:30:11
  • Multiple Updates
2025-03-25 03:30:12
  • Multiple Updates
2025-03-19 03:18:43
  • Multiple Updates
2025-03-18 03:31:42
  • Multiple Updates
2025-03-14 00:20:59
  • Multiple Updates
2025-03-13 21:20:56
  • Multiple Updates
2025-03-06 14:15:14
  • Multiple Updates
2025-03-06 03:09:45
  • Multiple Updates
2025-03-05 17:20:46
  • Multiple Updates
2025-02-27 09:20:31
  • First insertion