漏洞信息详情

Xen 竞争条件问题漏洞

  • CNNVD编号:CNNVD-202004-656
  • 危害等级: 高危
  • CVE编号: CVE-2020-11739
  • 漏洞类型: 竞争条件问题
  • 发布时间: 2020-04-14
  • 威胁类型: 本地
  • 更新时间: 2022-05-05
  • 厂        商:
  • 漏洞来源: Gentoo

漏洞简介

Xen是英国剑桥(Cambridge)大学的一款开源的虚拟机监视器产品。该产品能够使不同和不兼容的操作系统运行在同一台计算机上,并支持在运行时进行迁移,保证正常运行并且避免宕机。

Xen 4.13.x 版本及之前版本中存在竞争条件问题漏洞,该漏洞源于读写解锁路径中缺少内存屏障。攻击者可利用该漏洞导致拒绝服务,可能获取敏感信息或提升权限。

漏洞公告

目前厂商已发布升级补丁以修复漏洞,补丁获取链接:

http://xenbits.xen.org/xsa/advisory-314.html

参考网址

来源:CONFIRM

链接:http://xenbits.xen.org/xsa/advisory-314.html

来源:www.suse.com

链接:https://www.suse.com/support/update/announcement/2020/suse-su-20202234-1

来源:SUSE

链接:http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00006.html

来源:FEDORA

链接:https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YMAW7D2MP6RE4BFI5BZWOBBWGY3VSOFN/

来源:MLIST

链接:http://www.openwall.com/lists/oss-security/2020/04/14/2

来源:MISC

链接:https://xenbits.xen.org/xsa/advisory-314.html

来源:FEDORA

链接:https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NVTP4OYHCTRU3ONFJOFJQVNDFB25KLLG/

来源:GENTOO

链接:https://security.gentoo.org/glsa/202005-08

来源:DEBIAN

链接:https://www.debian.org/security/2020/dsa-4723

来源:FEDORA

链接:https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5M2XRNCHOGGTJQBZQJ7DCV6ZNAKN3LE2/

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2020.1317/

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2020.2813/

来源:access.redhat.com

链接:https://access.redhat.com/security/cve/cve-2020-11739

来源:nvd.nist.gov

链接:https://nvd.nist.gov/vuln/detail/CVE-2020-11739

来源:vigilance.fr

链接:https://vigilance.fr/vulnerability/Xen-information-disclosure-via-Read-write-Unlock-Paths-32009

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2020.1463/

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2020.2364/

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2020.1575/

来源:packetstormsecurity.com

链接:https://packetstormsecurity.com/files/157721/Gentoo-Linux-Security-Advisory-202005-08.html

受影响实体

    暂无


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