<p>Upgrade <code>Centos:8</code> <code>kernel-rt-kvm</code> to version 0:4.18.0-372.32.1.rt7.189.el8_6 or higher.</p>

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

Threat Intelligence

0.07% (33^rd percentile)

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Snyk ID SNYK-CENTOS8-KERNELRTKVM-3062830
published 26 Oct 2022
disclosed 12 Jul 2022

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Introduced: 12 Jul 2022

CVE-2022-29901 Open this link in a new tab CWE-200 Open this link in a new tab

How to fix?

Upgrade Centos:8 kernel-rt-kvm 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-kvm package and not the kernel-rt-kvm 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.

References

CVSS Scores

version 3.1

Attack Vector (AV)

Local
Attack Complexity (AC)

Low
Privileges Required (PR)

Low
User Interaction (UI)

None

Scope (S)

Changed

Confidentiality (C)

High
Integrity (I)

None
Availability (A)

None

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

Severity

Based on CentOS security rating