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Test ID:1.3.6.1.4.1.25623.1.1.4.2020.0560.1
Category:SuSE Local Security Checks
Title:SUSE: Security Advisory (SUSE-SU-2020:0560-1)
Summary:The remote host is missing an update for the 'Linux Kernel' package(s) announced via the SUSE-SU-2020:0560-1 advisory.
Description:Summary:
The remote host is missing an update for the 'Linux Kernel' package(s) announced via the SUSE-SU-2020:0560-1 advisory.

Vulnerability Insight:
The SUSE Linux Enterprise 15 SP1 kernel was updated to receive various security and bugfixes.

The following security bugs were fixed:
CVE-2020-8992: An issue was discovered in ext4_protect_reserved_inode in
fs/ext4/block_validity.c that allowed attackers to cause a soft lockup
via a crafted journal size (bnc#1164069).

CVE-2020-8648: There was a use-after-free vulnerability in the
n_tty_receive_buf_common function in drivers/tty/n_tty.c (bnc#1162928).

CVE-2019-16746: An issue was discovered in net/wireless/nl80211.c. It
did not check the length of variable elements in a beacon head, leading
to a buffer overflow (bnc#1152107).

CVE-2020-8428: There was a use-after-free bug in fs/namei.c, which
allowed local users to cause a denial of service (OOPS) or possibly
obtain sensitive information from kernel memory, aka CID-d0cb50185ae9
(bnc#1162109).

CVE-2019-19045: A memory leak in
drivers/net/ethernet/mellanox/mlx5/core/fpga/conn.c allowed attackers to
cause a denial of service (memory consumption) by triggering
mlx5_vector2eqn() failures, aka CID-c8c2a057fdc7 (bnc#1161522).

CVE-2019-16994: A memory leak existed in sit_init_net() in
net/ipv6/sit.c which might have caused denial of service, aka
CID-07f12b26e21a (bnc#1161523).

CVE-2019-19054: A memory leak in the cx23888_ir_probe() function in
drivers/media/pci/cx23885/cx23888-ir.c allowed attackers to cause a
denial of service (memory consumption) by triggering kfifo_alloc()
failures, aka CID-a7b2df76b42b (bnc#1161518).

CVE-2019-14896: A heap-based buffer overflow vulnerability was found in
the Marvell WiFi driver. A remote attacker could cause a denial of
service (system crash) or, possibly execute arbitrary code, when the
lbs_ibss_join_existing function is called after a STA connects to an AP
(bnc#1157157).

CVE-2019-14897: A stack-based buffer overflow was found in the Marvell
WiFi driver. An attacker is able to cause a denial of service (system
crash) or, possibly execute arbitrary code, when a STA works in IBSS
mode (allows connecting stations together without the use of an AP) and
connects to another STA (bnc#1157155).

CVE-2020-7053: There was a use-after-free (write) in the
i915_ppgtt_close function in drivers/gpu/drm/i915/i915_gem_gtt.c, aka
CID-7dc40713618c (bnc#1160966).

CVE-2019-19318: Mounting a crafted btrfs image twice could have caused a
use-after-free (bnc#1158026).

CVE-2019-19036: An issue discovered in btrfs_root_node in
fs/btrfs/ctree.c allowed a NULL pointer dereference because
rcu_dereference(root->node) can be zero (bnc#1157692).

CVE-2019-14615: An information disclosure vulnerability existed due to
insufficient control flow in certain data structures for some Intel(R)
Processors (bnc#1160195).

CVE-2019-19965: There was a NULL pointer dereference in
drivers/scsi/libsas/sas_discover.c because of mishandling of port
disconnection during discovery, related to a PHY do... [Please see the references for more information on the vulnerabilities]

Affected Software/OS:
'Linux Kernel' package(s) on SUSE Linux Enterprise Workstation Extension 15-SP1, SUSE Linux Enterprise Module for Open Buildservice Development Tools 15-SP1, SUSE Linux Enterprise Module for Live Patching 15-SP1, SUSE Linux Enterprise Module for Legacy Software 15-SP1, SUSE Linux Enterprise Module for Development Tools 15-SP1, SUSE Linux Enterprise Module for Basesystem 15-SP1, SUSE Linux Enterprise High Availability 15-SP1

Solution:
Please install the updated package(s).

CVSS Score:
10.0

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

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2020-2732
Debian Security Information: DSA-4667 (Google Search)
https://www.debian.org/security/2020/dsa-4667
Debian Security Information: DSA-4698 (Google Search)
https://www.debian.org/security/2020/dsa-4698
https://bugzilla.redhat.com/show_bug.cgi?id=1805135
https://git.kernel.org/linus/07721feee46b4b248402133228235318199b05ec
https://git.kernel.org/linus/35a571346a94fb93b5b3b6a599675ef3384bc75c
https://git.kernel.org/linus/e71237d3ff1abf9f3388337cfebf53b96df2020d
https://linux.oracle.com/errata/ELSA-2020-5540.html
https://linux.oracle.com/errata/ELSA-2020-5542.html
https://linux.oracle.com/errata/ELSA-2020-5543.html
https://www.openwall.com/lists/oss-security/2020/02/25/3
https://www.spinics.net/lists/kvm/msg208259.html
https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html
https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html
https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html
Common Vulnerability Exposure (CVE) ID: CVE-2020-7053
http://packetstormsecurity.com/files/156455/Kernel-Live-Patch-Security-Notice-LSN-0063-1.html
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=7dc40713618c884bf07c030d1ab1f47a9dc1f310
https://lore.kernel.org/stable/20200114183937.12224-1-tyhicks@canonical.com
SuSE Security Announcement: openSUSE-SU-2020:0336 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html
https://usn.ubuntu.com/4255-1/
https://usn.ubuntu.com/4255-2/
https://usn.ubuntu.com/4285-1/
https://usn.ubuntu.com/4287-1/
https://usn.ubuntu.com/4287-2/
Common Vulnerability Exposure (CVE) ID: CVE-2020-8428
http://packetstormsecurity.com/files/157233/Kernel-Live-Patch-Security-Notice-LSN-0065-1.html
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d0cb50185ae942b03c4327be322055d622dc79f6
https://github.com/torvalds/linux/commit/d0cb50185ae942b03c4327be322055d622dc79f6
https://www.openwall.com/lists/oss-security/2020/01/28/2
http://www.openwall.com/lists/oss-security/2020/01/28/4
http://www.openwall.com/lists/oss-security/2020/02/02/1
https://usn.ubuntu.com/4318-1/
https://usn.ubuntu.com/4319-1/
https://usn.ubuntu.com/4320-1/
https://usn.ubuntu.com/4324-1/
https://usn.ubuntu.com/4325-1/
Common Vulnerability Exposure (CVE) ID: CVE-2020-8648
https://bugzilla.kernel.org/show_bug.cgi?id=206361
https://usn.ubuntu.com/4342-1/
https://usn.ubuntu.com/4344-1/
https://usn.ubuntu.com/4345-1/
https://usn.ubuntu.com/4346-1/
Common Vulnerability Exposure (CVE) ID: CVE-2020-8992
https://patchwork.ozlabs.org/patch/1236118/
https://usn.ubuntu.com/4419-1/
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