SUSE SLES12 Security Update : xen (SUSE-SU-2020:3880-1)

medium Nessus Plugin ID 144492

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New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Synopsis

The remote SUSE host is missing one or more security updates.

Description

This update for xen fixes the following issues :

CVE-2020-29480: Fixed an issue which could have allowed leak of non-sensitive data to administrator guests (bsc#117949 XSA-115).

CVE-2020-29481: Fixed an issue which could have allowd to new domains to inherit existing node permissions (bsc#1179498 XSA-322).

CVE-2020-29483: Fixed an issue where guests could disturb domain cleanup (bsc#1179502 XSA-325).

CVE-2020-29484: Fixed an issue where guests could crash xenstored via watchs (bsc#1179501 XSA-324).

CVE-2020-29566: Fixed an undue recursion in x86 HVM context switch code (bsc#1179506 XSA-348).

CVE-2020-29570: Fixed an issue where FIFO event channels control block related ordering (bsc#1179514 XSA-358).

CVE-2020-29571: Fixed an issue where FIFO event channels control structure ordering (bsc#1179516 XSA-359).

CVE-2020-29130: Fixed an out-of-bounds access while processing ARP packets (bsc#1179477).

Fixed an issue where dump-core shows missing nr_pages during core (bsc#1176782).

Multiple other bugs (bsc#1027519)

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

To install this SUSE 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 :

SUSE Linux Enterprise Software Development Kit 12-SP5 :

zypper in -t patch SUSE-SLE-SDK-12-SP5-2020-3880=1

SUSE Linux Enterprise Server 12-SP5 :

zypper in -t patch SUSE-SLE-SERVER-12-SP5-2020-3880=1

See Also

https://bugzilla.suse.com/show_bug.cgi?id=1027519

https://bugzilla.suse.com/show_bug.cgi?id=1163019

https://bugzilla.suse.com/show_bug.cgi?id=1176782

https://bugzilla.suse.com/show_bug.cgi?id=1179477

https://bugzilla.suse.com/show_bug.cgi?id=1179496

https://bugzilla.suse.com/show_bug.cgi?id=1179498

https://bugzilla.suse.com/show_bug.cgi?id=1179501

https://bugzilla.suse.com/show_bug.cgi?id=1179502

https://bugzilla.suse.com/show_bug.cgi?id=1179506

https://bugzilla.suse.com/show_bug.cgi?id=1179514

https://bugzilla.suse.com/show_bug.cgi?id=1179516

https://www.suse.com/security/cve/CVE-2020-29130/

https://www.suse.com/security/cve/CVE-2020-29480/

https://www.suse.com/security/cve/CVE-2020-29481/

https://www.suse.com/security/cve/CVE-2020-29483/

https://www.suse.com/security/cve/CVE-2020-29484/

https://www.suse.com/security/cve/CVE-2020-29566/

https://www.suse.com/security/cve/CVE-2020-29570/

https://www.suse.com/security/cve/CVE-2020-29571/

https://www.suse.com/security/cve/CVE-2020-8608/

http://www.nessus.org/u?9f6b6ee5

Plugin Details

Severity: Medium

ID: 144492

File Name: suse_SU-2020-3880-1.nasl

Version: 1.4

Type: local

Agent: unix

Published: 12/21/2020

Updated: 6/3/2021

Dependencies: ssh_get_info.nasl

Risk Information

CVSS Score Source: CVE-2020-8608

VPR

Risk Factor: Medium

Score: 6.5

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

Temporal Vector: E:U/RL:OF/RC:C

CVSS v3

Risk Factor: Medium

Base Score: 5.6

Temporal Score: 4.9

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

Temporal Vector: E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:xen, p-cpe:/a:novell:suse_linux:xen-debugsource, p-cpe:/a:novell:suse_linux:xen-doc-html, p-cpe:/a:novell:suse_linux:xen-libs, p-cpe:/a:novell:suse_linux:xen-libs-debuginfo, p-cpe:/a:novell:suse_linux:xen-tools, p-cpe:/a:novell:suse_linux:xen-tools-debuginfo, p-cpe:/a:novell:suse_linux:xen-tools-domU, p-cpe:/a:novell:suse_linux:xen-tools-domU-debuginfo, cpe:/o:novell:suse_linux:12

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 12/18/2020

Vulnerability Publication Date: 2/6/2020

Reference Information

CVE: CVE-2020-29130, CVE-2020-29480, CVE-2020-29481, CVE-2020-29483, CVE-2020-29484, CVE-2020-29566, CVE-2020-29570, CVE-2020-29571, CVE-2020-8608

IAVB: 2020-B-0077-S