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SUSE SLES12 Security Update : kernel (SUSE-SU-2020:1713-1)
medium Nessus Plugin ID 138288
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Synopsis
The remote SUSE host is missing one or more security updates.Description
The SUSE Linux Enterprise 12 SP3 kernel was updated to receive various security and bugfixes.The following security bugs were fixed :
CVE-2020-10768: Fixed an issue with the prctl() function which could have allowed indirect branch speculation even after it has been disabled (bsc#1172783).
CVE-2020-10767: Fixed an issue where the Indirect Branch Prediction Barrier (IBPB) would have been disabled when STIBP is unavailable or enhanced IBRS is available making the system vulnerable to spectre v2 (bsc#1172782).
CVE-2020-10766: Fixed an issue with Linux scheduler which could have allowed an attacker to turn off the SSBD protection (bsc#1172781).
xfs: Fix tail rounding in xfs_alloc_file_space() (bsc#1172049).
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 OpenStack Cloud Crowbar 8 :
zypper in -t patch SUSE-OpenStack-Cloud-Crowbar-8-2020-1713=1
SUSE OpenStack Cloud 8 :
zypper in -t patch SUSE-OpenStack-Cloud-8-2020-1713=1
SUSE Linux Enterprise Server for SAP 12-SP3 :
zypper in -t patch SUSE-SLE-SAP-12-SP3-2020-1713=1
SUSE Linux Enterprise Server 12-SP3-LTSS :
zypper in -t patch SUSE-SLE-SERVER-12-SP3-2020-1713=1
SUSE Linux Enterprise Server 12-SP3-BCL :
zypper in -t patch SUSE-SLE-SERVER-12-SP3-BCL-2020-1713=1
SUSE Linux Enterprise High Availability 12-SP3 :
zypper in -t patch SUSE-SLE-HA-12-SP3-2020-1713=1
SUSE Enterprise Storage 5 :
zypper in -t patch SUSE-Storage-5-2020-1713=1
HPE Helion Openstack 8 :
zypper in -t patch HPE-Helion-OpenStack-8-2020-1713=1
See Also
https://bugzilla.suse.com/show_bug.cgi?id=1172049
https://bugzilla.suse.com/show_bug.cgi?id=1172781
https://bugzilla.suse.com/show_bug.cgi?id=1172782
https://bugzilla.suse.com/show_bug.cgi?id=1172783
https://www.suse.com/security/cve/CVE-2020-10766/
https://www.suse.com/security/cve/CVE-2020-10767/
Plugin Details
Severity: Medium
ID: 138288
File Name: suse_SU-2020-1713-1.nasl
Version: 1.5
Type: local
Agent: unix
Family: SuSE Local Security Checks
Published: 7/9/2020
Updated: 1/13/2021
Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 4.4
CVSS v2
Risk Factor: Low
Base Score: 2.1
Temporal Score: 1.6
Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:N/A:N
CVSS Score Source: CVE-2020-10768
CVSS v3
Risk Factor: Medium
Base Score: 5.5
Temporal Score: 4.8
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
CPE: cpe:/o:novell:suse_linux:12, p-cpe:/a:novell:suse_linux:kernel-default-debuginfo, p-cpe:/a:novell:suse_linux:kernel-default-base, p-cpe:/a:novell:suse_linux:kgraft-patch-4_4_180-94_124-default, p-cpe:/a:novell:suse_linux:kernel-default-debugsource, p-cpe:/a:novell:suse_linux:kernel-default-devel, p-cpe:/a:novell:suse_linux:kernel-default-base-debuginfo, p-cpe:/a:novell:suse_linux:kernel-syms, p-cpe:/a:novell:suse_linux:kernel-default, p-cpe:/a:novell:suse_linux:kgraft-patch-4_4_180-94_124-default-debuginfo, p-cpe:/a:novell:suse_linux:kernel-default-kgraft, p-cpe:/a:novell:suse_linux:kernel-default-man
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: 6/23/2020
Vulnerability Publication Date: 9/15/2020