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CVE-2020-27674

Status Candidate

Overview

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.

Related Files

Debian Security Advisory 4804-1
Posted Dec 28, 2020
Authored by Debian | Site debian.org

Debian Linux Security Advisory 4804-1 - Multiple vulnerabilities have been discovered in the Xen hypervisor, which could result in denial of service, privilege escalation or information leaks.

tags | advisory, denial of service, vulnerability
systems | linux, debian
advisories | CVE-2020-27670, CVE-2020-27671, CVE-2020-27672, CVE-2020-27674, CVE-2020-28368
SHA-256 | b2ab6cee53da1d96769ca16adfe9dfbf808ed31611a93a2497b295ea9aaa2731
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