SUSE SLES12 Security Update : kernel (SUSE-SU-2019:3260-1)

high Nessus Plugin ID 132006

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Synopsis

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

Description

This update for the Linux Kernel 4.4.121-92_109 fixes several issues.

The following security issues were fixed :

CVE-2018-20856: Fixed a use-after-free in __blk_drain_queue() due to an improper error handling (bsc#1156331).

CVE-2019-13272: Fixed a privilege escalation from user to root due to improper handling of credentials by leveraging certain scenarios with a parent-child process relationship (bsc#1156321).

CVE-2019-10220: Fixed an issue where samba servers could inject relative paths in directory entry lists (bsc#1153108).

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 Server for SAP 12-SP2:zypper in -t patch SUSE-SLE-SAP-12-SP2-2019-3259=1 SUSE-SLE-SAP-12-SP2-2019-3260=1

SUSE Linux Enterprise Server 12-SP2-LTSS:zypper in -t patch SUSE-SLE-SERVER-12-SP2-2019-3259=1 SUSE-SLE-SERVER-12-SP2-2019-3260=1

Plugin Details

Severity: High

ID: 132006

File Name: suse_SU-2019-3260-1.nasl

Version: 1.5

Type: local

Agent: unix

Family: SuSE Local Security Checks

Published: 12/12/2019

Updated: 1/19/2023

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Critical

Score: 9.7

CVSS v2

Risk Factor: High

Base Score: 9.3

Temporal Score: 8.1

Vector: CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2019-10220

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 8.4

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

Temporal Vector: CVSS:3.0/E:H/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:kgraft-patch-4_4_121-92_104-default, cpe:/o:novell:suse_linux:12, p-cpe:/a:novell:suse_linux:kgraft-patch-4_4_121-92_109-default

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 12/11/2019

Vulnerability Publication Date: 7/17/2019

CISA Known Exploited Vulnerability Due Dates: 6/10/2022

Exploitable With

Core Impact

Metasploit (Linux Polkit pkexec helper PTRACE_TRACEME local root exploit)

Reference Information

CVE: CVE-2018-20856, CVE-2019-10220, CVE-2019-13272

Detections

Analytics