PT-2024-1598 · Linux+5 · Linux Kernel+5

Rohit Keshri

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Published

2023-09-25

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Updated

2026-03-14

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CVE-2023-6240

CVSS v3.1

6.5

Medium

VectorAV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N
Name of the Vulnerable Software and Affected Versions Linux Kernel (affected versions not specified)
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. The vulnerability is also related to the possibility of a Bleichenbacher or Marvin attack, which could allow a remote attacker to access or impact protected information.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Side Channel Attack

Use of a Broken Cryptographic Algorithm

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Weakness Enumeration

Related Identifiers

ALSA-2024:2758
ALSA-2024:3618
ALSA-2024:3627
BDU:2024-01188
CESA-2024_3618
CESA-2024_3627
CVE-2023-6240
ECHO-907F-B402-B296
INFSA-2024_2758
INFSA-2024_3618
INFSA-2024_3627
RHSA-2024:1881
RHSA-2024:1882
RHSA-2024:2758
RHSA-2024:3414
RHSA-2024:3421
RHSA-2024:3618
RHSA-2024:3627
RHSA-2024_2758
RHSA-2024_3618
RHSA-2024_3627
RLSA-2024:2758
RLSA-2024:3618
RLSA-2024:3627

Affected Products

Almalinux
Centos
Debian
Linux Kernel
Red Hat
Rocky Linux