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SUSE: CVE-2020-29570: SUSE Linux Security Advisory

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SUSE: CVE-2020-29570: SUSE Linux Security Advisory

Severity
5
CVSS
(AV:L/AC:L/Au:N/C:N/I:N/A:C)
Published
12/15/2020
Created
12/18/2020
Added
12/17/2020
Modified
10/22/2021

Description

An issue was discovered in Xen through 4.14.x. Recording of the per-vCPU control block mapping maintained by Xen and that of pointers into the control block is reversed. The consumer assumes, seeing the former initialized, that the latter are also ready for use. Malicious or buggy guest kernels can mount a Denial of Service (DoS) attack affecting the entire system.

Solution(s)

  • suse-upgrade-xen
  • suse-upgrade-xen-devel
  • suse-upgrade-xen-doc-html
  • suse-upgrade-xen-kmp-default
  • suse-upgrade-xen-kmp-pae
  • suse-upgrade-xen-libs
  • suse-upgrade-xen-libs-32bit
  • suse-upgrade-xen-tools
  • suse-upgrade-xen-tools-domu
  • suse-upgrade-xen-tools-xendomains-wait-disk

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