Information Exposure Affecting kernel-rt-debug-modules-extra package, versions <0:4.18.0-372.32.1.rt7.189.el8_6


Severity

Recommended
high

Based on CentOS security rating.

Threat Intelligence

EPSS
0.07% (34th percentile)

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  • Snyk IDSNYK-CENTOS8-KERNELRTDEBUGMODULESEXTRA-3062816
  • published26 Oct 2022
  • disclosed12 Jul 2022

Introduced: 12 Jul 2022

CVE-2022-29901  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade Centos:8 kernel-rt-debug-modules-extra to version 0:4.18.0-372.32.1.rt7.189.el8_6 or higher.

NVD Description

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

Intel microprocessor generations 6 to 8 are affected by a new Spectre variant that is able to bypass their retpoline mitigation in the kernel to leak arbitrary data. An attacker with unprivileged user access can hijack return instructions to achieve arbitrary speculative code execution under certain microarchitecture-dependent conditions.

CVSS Scores

version 3.1