安全公告详情

NS-SA-2024-0012

2024-04-12 10:37:43

简介

important: kernel/ruby security update

严重级别

important

主题

An update for kernel/ruby is now available for NewStart CGSL MAIN 5.04/CGSL CORE 5.04.
NewStart Security has rated this update as having a security impact of important. A Common Vunlnerability Scoring System(CVSS)base score, which gives a detailed severity rating, is available for each vulnerability from the CVElink(s) in the References section.

详细描述

kernel:
ruby:


Security Fix(es):
kernel: A flaw was found in the KVM's Intel nested virtualization feature (nVMX). The effective values of the guest CR0 and CR4 registers could differ from those included in the VMCS12. In rare circumstances (i.e., kvm_intel module loaded with parameters nested=1 and ept=0) this could allow a malicious guest to crash the host system, causing a denial of service.(CVE-2023-30456)
kernel: bugfix
ruby: A flaw was found in the Time gem and Time library of Ruby. The Time parser mishandles invalid strings with specific characters and causes an increase in execution time for parsing strings to Time objects. This issue may result in a Regular expression denial of service (ReDoS).(CVE-2023-28756)
ruby: bugfix


Solution:
For details on how to apply this update, which includes the changes described in this advisory, refer to:
http://security.gd-linux.com/how_to_apply_patch.html
Remember the build tag is 5.04.F52B5.

影响组件

  • kernel
  • ruby

影响产品

  • CGSL MAIN 5.04
  • CGSL CORE 5.04

更新包

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CVE

参考