SUSE SLES12 Security Update : kernel (SUSE-SU-2018:1855-1)

High Nessus Plugin ID 110838


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


The SUSE Linux Enterprise 12 SP2 LTSS kernel was updated receive
various security and bugfixes. The following security bugs were
fixed :

- CVE-2018-5848: In the function wmi_set_ie(), the length
validation code did not handle unsigned integer overflow
properly. As a result, a large value of the 'ie_len'
argument could have caused a buffer overflow

- CVE-2018-1000204: Prevent infoleak caused by incorrect
handling of the SG_IO ioctl (bsc#1096728).

- CVE-2017-18249: The add_free_nid function did not
properly track an allocated nid, which allowed local
users to cause a denial of service (race condition) or
possibly have unspecified other impact via concurrent
threads (bnc#1087036)

- CVE-2018-3665: Prevent disclosure of FPU registers
(including XMM and AVX registers) between processes.
These registers might contain encryption keys when doing
SSE accelerated AES enc/decryption (bsc#1087086)

- CVE-2017-18241: Prevent a NULL pointer dereference by
using a noflush_merge option that triggers a NULL value
for a flush_cmd_control data structure (bnc#1086400)

- CVE-2017-13305: Prevent information disclosure
vulnerability in encrypted-keys (bsc#1094353).

- CVE-2018-1093: The ext4_valid_block_bitmap function
allowed attackers to cause a denial of service
(out-of-bounds read and system crash) via a crafted ext4
image because balloc.c and ialloc.c did not validate
bitmap block numbers (bsc#1087095).

- CVE-2018-1094: The ext4_fill_super function did not
always initialize the crc32c checksum driver, which
allowed attackers to cause a denial of service
(ext4_xattr_inode_hash NULL pointer dereference and
system crash) via a crafted ext4 image (bsc#1087007).

- CVE-2018-1092: The ext4_iget function mishandled the
case of a root directory with a zero i_links_count,
which allowed attackers to cause a denial of service
(ext4_process_freed_data NULL pointer dereference and
OOPS) via a crafted ext4 image (bsc#1087012).

- CVE-2018-1130: NULL pointer dereference in
dccp_write_xmit() function that allowed a local user to
cause a denial of service by a number of certain crafted
system calls (bsc#1092904).

- CVE-2018-1065: The netfilter subsystem mishandled the
case of a rule blob that contains a jump but lacks a
user-defined chain, which allowed local users to cause a
denial of service (NULL pointer dereference) by
leveraging the CAP_NET_RAW or CAP_NET_ADMIN capability

- CVE-2018-5803: Prevent error in the '_sctp_make_chunk()'
function when handling SCTP packets length that could
have been exploited to cause a kernel crash

- CVE-2018-7492: Prevent NULL pointer dereference in the
net/rds/rdma.c __rds_rdma_map() function that allowed
local attackers to cause a system panic and a
denial-of-service, related to RDS_GET_MR and
RDS_GET_MR_FOR_DEST (bsc#1082962).

- CVE-2018-1000199: Prevent vulnerability in
modify_user_hw_breakpoint() that could have caused a
crash and possibly memory corruption (bsc#1089895).

The update package also includes non-security fixes. See advisory for

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.


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 7:zypper in -t patch

SUSE Linux Enterprise Server for SAP 12-SP2:zypper in -t patch

SUSE Linux Enterprise Server 12-SP2-LTSS:zypper in -t patch

SUSE Enterprise Storage 4:zypper in -t patch

OpenStack Cloud Magnum Orchestration 7:zypper in -t patch

See Also

Plugin Details

Severity: High

ID: 110838

File Name: suse_SU-2018-1855-1.nasl

Version: 1.3

Type: local

Agent: unix

Published: 2018/07/02

Modified: 2018/12/01

Dependencies: 12634

Risk Information

Risk Factor: High

CVSS v2.0

Base Score: 7.1

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

CVSS v3.0

Base Score: 7.8

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

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:kernel-default, p-cpe:/a:novell:suse_linux:kernel-default-base, p-cpe:/a:novell:suse_linux:kernel-default-base-debuginfo, p-cpe:/a:novell:suse_linux:kernel-default-debuginfo, 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-man, p-cpe:/a:novell:suse_linux:kernel-syms, p-cpe:/a:novell:suse_linux:kgraft-patch-4_4_121-92_85-default, cpe:/o:novell:suse_linux:12

Patch Publication Date: 2018/06/29

Reference Information

CVE: CVE-2017-13305, CVE-2017-18241, CVE-2017-18249, CVE-2018-1000199, CVE-2018-1000204, CVE-2018-1065, CVE-2018-1092, CVE-2018-1093, CVE-2018-1094, CVE-2018-1130, CVE-2018-3665, CVE-2018-5803, CVE-2018-5848, CVE-2018-7492