Information Exposure Affecting kernel-rt-debug-kvm package, versions <0:4.18.0-553.5.1.rt7.346.el8_10


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.12% (48th percentile)

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  • Snyk IDSNYK-RHEL8-KERNELRTDEBUGKVM-6227969
  • published5 Feb 2024
  • disclosed25 Sept 2023

Introduced: 25 Sep 2023

CVE-2023-6240  (opens in a new tab)
CWE-203  (opens in a new tab)

How to fix?

Upgrade RHEL:8 kernel-rt-debug-kvm to version 0:4.18.0-553.5.1.rt7.346.el8_10 or higher.
This issue was patched in RHSA-2024:3627.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-rt-debug-kvm package and not the kernel-rt-debug-kvm package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

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 Scores

version 3.1