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CVE-2023-6240 Code injection

Routine
Remediate Within 6 Months

CVE Information

Original CVE data

Published:
Updated:

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.

CWE: CWE-203
CVSS v2-
CVSS v36.5
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N
References
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-channel-attacks-yourself/
https://access.redhat.com/errata/RHSA-2024:1881
https://access.redhat.com/errata/RHSA-2024:1882
https://access.redhat.com/errata/RHSA-2024:2758
https://access.redhat.com/errata/RHSA-2024:3414
https://access.redhat.com/errata/RHSA-2024:3421
https://access.redhat.com/errata/RHSA-2024:3618
https://access.redhat.com/errata/RHSA-2024:3627
Affected Vendors

Linux - (1)

Redhat - (1)

Basic Analysis

Common vulnerability metrics

Vulnerabilty type as detected by PRIOnengine

Code injection

CVSS Scores as calculated by PRIOnengine
CVSS v22.1
AV:L/AC:L/AU:N/C:P/I:N/A:N
CVSS v37.5
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
MITRE CWE Top 25

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Exploits

No exploit code is reported to exist.

Active Exploitation

Vulnerability is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. See the KEV Catalog

Social Network Activity

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Threat Actor Activity

No sightings of the vulnerability within threat reports.

Cybersecurity Frameworks

How the vulnerability maps against various cybersecurity frameworks

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Compliance Impact

How the submited vulnerability affects compliance

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Web Application Security Frameworks

Applicable if the issue likely affects a web application

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