CVE-2023-6240

medium

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.

References

Advisories
More

https://people.redhat.com/~hkario/marvin/

https://access.redhat.com/security/cve/CVE-2023-6240

https://access.redhat.com/errata/RHSA-2024:3627

https://access.redhat.com/errata/RHSA-2024:3618

https://access.redhat.com/errata/RHSA-2024:3421

https://access.redhat.com/errata/RHSA-2024:3414

https://access.redhat.com/errata/RHSA-2024:2758

https://access.redhat.com/errata/RHSA-2024:1882

https://access.redhat.com/errata/RHSA-2024:1881

https://securitypitfalls.wordpress.com/2023/10/16/experiment-with-side-channel-attacks-yourself/

https://bugzilla.redhat.com/show_bug.cgi?id=2250843

Details

Source: Mitre, NVD

Published: 2024-02-04

Updated: 2024-09-14

Risk Information

CVSS v2

Base Score: 6.1

Vector: CVSS2#AV:N/AC:H/Au:N/C:C/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 6.5

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N