Dashboard / CVE-2023-6240

CVE-2023-6240

MEDIUM
MEDIUM Priority: 0.06 BB Relevance: 63/100
Published: 2024-02-04 Modified: 2026-11-05 First seen: 2026-11-05 Status: active

Attack Surface

Network No Auth No Interaction Conf. Impact

CVSS Vector Breakdown

AV: Network
AC: High
PR: None
UI: None
S: Unchanged
C: High
I: Low
A: None

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.

Weakness Classification (1)

Affected Software (4)

VendorProductVersion
linux linux_kernel -
redhat enterprise_linux 7.0
redhat enterprise_linux 8.0
redhat enterprise_linux 9.0

References & Advisories (12)

https://access.redhat.com/errata/RHSA-2024:1881
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:1882
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:2758
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:3414
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:3421
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:3618
vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:3627
vendor-advisory x_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2250843
issue-tracking x_refsource_REDHAT

Bug Bounty Relevance

63 / 100
✓ Network accessible
✓ No authentication
✓ No user interaction

CVSS Score

6.5 / 10.0 v3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N

EPSS — Exploitation Probability

0.97%
Raw Score 0.009690
Percentile 62.0%
Date 2026-11-06

EPSS Trend

2026-11-06
0.00969
2026-11-05
0.00969
2026-11-04
0.00969

Intelligence Sources

mitre ref →
nvd ref →

External Links