CVE-2023-6240 - CVE House
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Status published Medium CVE-2023-6240

Kernel: marvin vulnerability side-channel leakage in the rsa decryption operation

Vulnerability Description

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

Affected Vendor

Affected Software

Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat Enterprise Linux 9.0 Extended Update Support, Red Hat Enterprise Linux 9.2 Extended Update Support, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7
Vulnerable Versions:
0:4.18.0-553.5.1.rt7.346.el8_10, 0:4.18.0-553.5.1.el8_10, 0:5.14.0-427.16.1.el9_4, 0:5.14.0-70.101.1.el9_0, 0:5.14.0-70.101.1.rt21.173.el9_0, 0:5.14.0-284.62.1.el9_2, 0:5.14.0-284.62.1.rt14.347.el9_2

Timeline

Official Publish: February 4th, 2024
Last Modified: November 8th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N

Weaknesses (CWE)