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Gentoo Linux: CVE-2020-27674: Xen: Multiple vulnerabilities

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Gentoo Linux: CVE-2020-27674: Xen: Multiple vulnerabilities

Severity
5
CVSS
(AV:L/AC:L/Au:N/C:P/I:P/A:P)
Published
10/22/2020
Created
11/13/2020
Added
11/12/2020
Modified
12/07/2020

Description

An issue was discovered in Xen through 4.14.x allowing x86 PV guest OS users to gain guest OS privileges by modifying kernel memory contents, because invalidation of TLB entries is mishandled during use of an INVLPG-like attack technique.

Solution(s)

  • gentoo-linux-upgrade-app-emulation-xen
  • gentoo-linux-upgrade-app-emulation-xen-tools

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