[ GLSA 202107-30 ] Xen

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GLSA: Advocate
Advocate; Posts: 2663; Joined: Wed May 12, 2004 4:41 pm

[ GLSA 202107-30 ] Xen

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Post by GLSA » Mon Jul 12, 2021 5:26 am

Gentoo Linux Security Advisory

Title: Xen: Multiple vulnerabilities ([glsa=202107-30]GLSA 202107-30[/glsa])
Severity: high
Exploitable: local, remote
Date: 2021年07月12日
Bug(s): #760144 , #766474 , #783456 , #795054
ID: 202107-30

Synopsis

Multiple vulnerabilities have been found in Xen, the worst of which
could result in privilege escalation.

Background

Xen is a bare-metal hypervisor.

Affected Packages

Package: app-emulation/xen
Vulnerable: < 4.15.0-r1
Unaffected: >= 4.14.2-r1
Unaffected: >= 4.15.0-r1
Architectures: All supported architectures

Description

Multiple vulnerabilities have been discovered in Xen. Please review the
CVE identifiers referenced below for details.

Impact

Please review the referenced CVE identifiers for details.

Workaround

There is no known workaround at this time.

Resolution

All Xen 4.14.x users should upgrade to the latest version:

Code: Select all

# emerge --sync
 # emerge --ask --oneshot --verbose ">=app-emulation/xen-4.14.2-r1"

All Xen 4.15.x users should upgrade to the latest version:

Code: Select all

# emerge --sync
 # emerge --ask --oneshot --verbose ">=app-emulation/xen-4.15.0-r1"

References

CVE-2020-29479
CVE-2020-29486
CVE-2020-29487
CVE-2020-29566
CVE-2020-29567
CVE-2020-29568
CVE-2020-29569
CVE-2020-29570
CVE-2020-29571
CVE-2021-0089
CVE-2021-26313
CVE-2021-28687
CVE-2021-28690
CVE-2021-28691
CVE-2021-28692
CVE-2021-28693
CVE-2021-3308

Last edited by GLSA on Sat Jan 22, 2022 4:56 am, edited 2 times in total.

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