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suseSuseOPENSUSE-SU-2020:1783-1
HistoryOct 31, 2020 - 12:00 a.m.

Security update for xen (important)

2020-10-3100:00:00
lists.opensuse.org
36

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

6.9 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:M/Au:N/C:C/I:C/A:C

An update that fixes four vulnerabilities is now available.

Description:

This update for xen fixes the following issues:

  • bsc#1177409 - VUL-0: CVE-2020-27673: xen: x86 PV guest INVLPG-like
    flushes may leave stale TLB entries (XSA-286)
  • bsc#1177412 - VUL-0: CVE-2020-27672: xen: Race condition in Xen mapping
    code (XSA-345)
  • bsc#1177413 - VUL-0: CVE-2020-27671: xen: undue deferral of IOMMU TLB
    flushes (XSA-346)
  • bsc#1177414 - VUL-0: CVE-2020-27670: xen: unsafe AMD IOMMU page table
    updates (XSA-347)

This update was imported from the SUSE:SLE-15-SP2:Update update project.

Patch Instructions:

To install this openSUSE Security Update use the SUSE recommended installation methods
like YaST online_update or “zypper patch”.

Alternatively you can run the command listed for your product:

  • openSUSE Leap 15.2:

    zypper in -t patch openSUSE-2020-1783=1

OSVersionArchitecturePackageVersionFilename
openSUSE Leap15.2i586< - openSUSE Leap 15.2 (i586 x86_64):- openSUSE Leap 15.2 (i586 x86_64):.i586.rpm
openSUSE Leap15.2x86_64< - openSUSE Leap 15.2 (i586 x86_64):- openSUSE Leap 15.2 (i586 x86_64):.x86_64.rpm
openSUSE Leap15.2noarch< - openSUSE Leap 15.2 (noarch):- openSUSE Leap 15.2 (noarch):.noarch.rpm
openSUSE Leap15.2x86_64< - openSUSE Leap 15.2 (x86_64):- openSUSE Leap 15.2 (x86_64):.x86_64.rpm

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

6.9 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:M/Au:N/C:C/I:C/A:C