SUSE SLES12 Security Update : kernel (SUSE-SU-2020:3225-1)

high Nessus Plugin ID 143844
New! Vulnerability Priority Rating (VPR)

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VPR Score: 7.4

Synopsis

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

Description

This update for the Linux Kernel 4.4.180-94_107 fixes several issues.

The following security issues were fixed :

CVE-2020-0429: In l2tp_session_delete and related functions of l2tp_core.c, there is possible memory corruption due to a use after free. This could lead to local escalation of privilege with system execution privileges needed. User interaction is not needed for exploitation. (bsc#1176724)

CVE-2020-14381: Fixed a use-after-free in the fast user mutex (futex) wait operation, which could have lead to memory corruption and possibly privilege escalation (bsc#1176011).

CVE-2020-0431: In kbd_keycode of keyboard.c, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. (bsc#1176722)

CVE-2020-25212: A TOCTOU mismatch in the NFS client code could be used by local attackers to corrupt memory or possibly have unspecified other impact because a size check is in fs/nfs/nfs4proc.c instead of fs/nfs/nfs4xdr.c (bsc#1176381).

CVE-2020-14386: Fixed a memory corruption which could have lead to an attacker gaining root privileges from unprivileged processes. The highest threat from this vulnerability is to data confidentiality and integrity (bsc#1176069).

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-SP3 :

zypper in -t patch SUSE-SLE-SAP-12-SP3-2020-3202=1 SUSE-SLE-SAP-12-SP3-2020-3209=1 SUSE-SLE-SAP-12-SP3-2020-3218=1 SUSE-SLE-SAP-12-SP3-2020-3220=1 SUSE-SLE-SAP-12-SP3-2020-3221=1 SUSE-SLE-SAP-12-SP3-2020-3225=1

SUSE Linux Enterprise Server for SAP 12-SP2 :

zypper in -t patch SUSE-SLE-SAP-12-SP2-2020-3227=1 SUSE-SLE-SAP-12-SP2-2020-3228=1 SUSE-SLE-SAP-12-SP2-2020-3229=1 SUSE-SLE-SAP-12-SP2-2020-3233=1

SUSE Linux Enterprise Server 12-SP3-LTSS :

zypper in -t patch SUSE-SLE-SERVER-12-SP3-2020-3202=1 SUSE-SLE-SERVER-12-SP3-2020-3209=1 SUSE-SLE-SERVER-12-SP3-2020-3218=1 SUSE-SLE-SERVER-12-SP3-2020-3220=1 SUSE-SLE-SERVER-12-SP3-2020-3221=1 SUSE-SLE-SERVER-12-SP3-2020-3225=1

SUSE Linux Enterprise Server 12-SP2-LTSS :

zypper in -t patch SUSE-SLE-SERVER-12-SP2-2020-3227=1 SUSE-SLE-SERVER-12-SP2-2020-3228=1 SUSE-SLE-SERVER-12-SP2-2020-3229=1 SUSE-SLE-SERVER-12-SP2-2020-3233=1

See Also

https://bugzilla.suse.com/show_bug.cgi?id=1176012

https://bugzilla.suse.com/show_bug.cgi?id=1176072

https://bugzilla.suse.com/show_bug.cgi?id=1176382

https://bugzilla.suse.com/show_bug.cgi?id=1176896

https://bugzilla.suse.com/show_bug.cgi?id=1176931

https://www.suse.com/security/cve/CVE-2020-0429/

https://www.suse.com/security/cve/CVE-2020-0431/

https://www.suse.com/security/cve/CVE-2020-14381/

https://www.suse.com/security/cve/CVE-2020-14386/

https://www.suse.com/security/cve/CVE-2020-25212/

http://www.nessus.org/u?2c18bed8

Plugin Details

Severity: High

ID: 143844

File Name: suse_SU-2020-3225-1.nasl

Version: 1.2

Type: local

Agent: unix

Published: 12/9/2020

Updated: 12/11/2020

Dependencies: ssh_get_info.nasl

Risk Information

Risk Factor: High

VPR Score: 7.4

CVSS v2.0

Base Score: 7.2

Temporal Score: 5.3

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

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

CVSS v3.0

Base Score: 7.8

Temporal Score: 6.8

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

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

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:kgraft-patch-4_4_121-92_125-default, p-cpe:/a:novell:suse_linux:kgraft-patch-4_4_121-92_129-default, p-cpe:/a:novell:suse_linux:kgraft-patch-4_4_121-92_135-default, p-cpe:/a:novell:suse_linux:kgraft-patch-4_4_121-92_138-default, p-cpe:/a:novell:suse_linux:kgraft-patch-4_4_180-94_107-default, p-cpe:/a:novell:suse_linux:kgraft-patch-4_4_180-94_107-default-debuginfo, p-cpe:/a:novell:suse_linux:kgraft-patch-4_4_180-94_113-default, p-cpe:/a:novell:suse_linux:kgraft-patch-4_4_180-94_113-default-debuginfo, p-cpe:/a:novell:suse_linux:kgraft-patch-4_4_180-94_116-default, p-cpe:/a:novell:suse_linux:kgraft-patch-4_4_180-94_116-default-debuginfo, p-cpe:/a:novell:suse_linux:kgraft-patch-4_4_180-94_121-default, p-cpe:/a:novell:suse_linux:kgraft-patch-4_4_180-94_121-default-debuginfo, p-cpe:/a:novell:suse_linux:kgraft-patch-4_4_180-94_124-default, p-cpe:/a:novell:suse_linux:kgraft-patch-4_4_180-94_124-default-debuginfo, p-cpe:/a:novell:suse_linux:kgraft-patch-4_4_180-94_127-default, p-cpe:/a:novell:suse_linux:kgraft-patch-4_4_180-94_127-default-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: 11/6/2020

Vulnerability Publication Date: 9/9/2020

Reference Information

CVE: CVE-2020-0429, CVE-2020-0431, CVE-2020-14381, CVE-2020-14386, CVE-2020-25212