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CVE-2023-6240

UNKNOWN
Published 2024-02-04T14:11:17.824Z
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Expert Analysis

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CVSS Score

V3.1
6.5
/10
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2023.03.01
0.001
probability
of exploitation in the wild

There is a 0.1% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-01-25
Exploit Probability
Percentile: 0.499
Higher than 49.9% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
HIGH
Integrity
LOW
Availability
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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Red Hat

Red Hat Enterprise Linux 8

Affected Versions:

0:4.18.0-553.5.1.rt7.346.el8_10
Red Hat

Red Hat Enterprise Linux 8

Affected Versions:

0:4.18.0-553.5.1.el8_10
Red Hat

Red Hat Enterprise Linux 9

Affected Versions:

0:5.14.0-427.16.1.el9_4
Red Hat

Red Hat Enterprise Linux 9

Affected Versions:

0:5.14.0-427.16.1.el9_4
Red Hat

Red Hat Enterprise Linux 9.0 Extended Update Support

Affected Versions:

0:5.14.0-70.101.1.el9_0
Red Hat

Red Hat Enterprise Linux 9.0 Extended Update Support

Affected Versions:

0:5.14.0-70.101.1.rt21.173.el9_0
Red Hat

Red Hat Enterprise Linux 9.2 Extended Update Support

Affected Versions:

0:5.14.0-284.62.1.el9_2
Red Hat

Red Hat Enterprise Linux 9.2 Extended Update Support

Affected Versions:

0:5.14.0-284.62.1.rt14.347.el9_2
Red Hat

Red Hat Enterprise Linux 6

Red Hat

Red Hat Enterprise Linux 7

Red Hat

Red Hat Enterprise Linux 7

Red Hat

Red Hat Enterprise Linux 9

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed MODERATE

GHSA-5gvr-285q-pwc3

Advisory Details

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.

CVSS Scoring

CVSS Score

5.0

CVSS Vector

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

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2023-6240
WEB https://access.redhat.com/errata/RHSA-2024:1881
WEB https://access.redhat.com/errata/RHSA-2024:1882
WEB https://access.redhat.com/errata/RHSA-2024:2758
WEB https://access.redhat.com/errata/RHSA-2024:3414
WEB https://access.redhat.com/errata/RHSA-2024:3421
WEB https://access.redhat.com/errata/RHSA-2024:3618
WEB https://access.redhat.com/errata/RHSA-2024:3627
WEB https://access.redhat.com/security/cve/CVE-2023-6240
WEB https://bugzilla.redhat.com/show_bug.cgi?id=2250843
WEB https://people.redhat.com/~hkario/marvin
WEB https://security.netapp.com/advisory/ntap-20240628-0002
WEB https://securitypitfalls.wordpress.com/2023/10/16/experiment-with-side-channel-attacks-yourself

Advisory provided by GitHub Security Advisory Database. Published: February 4, 2024, Modified: June 28, 2024

References

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
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/
Published: 2024-02-04T14:11:17.824Z
Last Modified: 2024-11-15T15:12:30.514Z
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