Executive Summary

Informations
Name CVE-2023-6240 First vendor Publication 2024-02-04
Vendor Cve Last vendor Modification 2024-04-18

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N
Overall CVSS Score 6.5
Base Score 6.5 Environmental Score 6.5
impact SubScore 4.2 Temporal Score 6.5
Exploitabality Sub Score 2.2
 
Attack Vector Network Attack Complexity High
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact High
Integrity Impact Low Availability Impact None
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

A Marvin vulnerability side-channel leakage was found in the RSA decryption operation in the Linux Kernel. This issue may allow a network attacker to decrypt ciphertexts or forge signatures, limiting the services that use that private key.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-6240

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-203 Information Exposure Through Discrepancy

CPE : Common Platform Enumeration

TypeDescriptionCount
Os 1
Os 3

Sources (Detail)

https://access.redhat.com/errata/RHSA-2024:1881
https://access.redhat.com/errata/RHSA-2024:1882
https://access.redhat.com/security/cve/CVE-2023-6240
https://bugzilla.redhat.com/show_bug.cgi?id=2250843
https://people.redhat.com/~hkario/marvin/
https://securitypitfalls.wordpress.com/2023/10/16/experiment-with-side-channe...
Source Url

Alert History

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Date Informations
2024-04-18 09:27:40
  • Multiple Updates
2024-03-27 00:27:39
  • Multiple Updates
2024-03-21 13:27:36
  • Multiple Updates
2024-02-15 13:27:42
  • Multiple Updates
2024-02-13 05:27:29
  • Multiple Updates
2024-02-05 09:27:24
  • Multiple Updates
2024-02-04 17:27:24
  • First insertion