SUSE SLES12 Security Update : kernel (SUSE-SU-2020:1587-1)

medium Nessus Plugin ID 137608


New! Plugin Severity Now Using CVSS v3

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


The SUSE Linux Enterprise 12 SP5 Azure kernel was updated to receive various security and bugfixes.

The following security bugs were fixed :

CVE-2020-0543: Fixed a side channel attack against special registers which could have resulted in leaking of read values to cores other than the one which called it. This attack is known as Special Register Buffer Data Sampling (SRBDS) or 'CrossTalk' (bsc#1154824).

CVE-2020-13143: Fixed an out-of-bounds read in gadget_dev_desc_UDC_store in drivers/usb/gadget/configfs.c (bsc#1171982).

CVE-2020-12769: Fixed an issue which could have allowed attackers to cause a panic via concurrent calls to dw_spi_irq and dw_spi_transfer_one (bsc#1171983).

CVE-2020-12768: Fixed a memory leak in svm_cpu_uninit in arch/x86/kvm/svm.c (bsc#1171736).

CVE-2020-12659: Fixed an out-of-bounds write (by a user with the CAP_NET_ADMIN capability) due to improper headroom validation (bsc#1171214).

CVE-2020-12657: An a use-after-free in block/bfq-iosched.c (bsc#1171205).

CVE-2020-12656: Fixed an improper handling of certain domain_release calls leadingch could have led to a memory leak (bsc#1171219).

CVE-2020-12655: Fixed an issue which could have allowed attackers to trigger a sync of excessive duration via an XFS v5 image with crafted metadata (bsc#1171217).

CVE-2020-12654: Fixed an issue in he wifi driver which could have allowed a remote AP to trigger a heap-based buffer overflow (bsc#1171202).

CVE-2020-12653: Fixed an issue in the wifi driver which could have allowed local users to gain privileges or cause a denial of service (bsc#1171195).

CVE-2020-12652: Fixed an issue which could have allowed local users to hold an incorrect lock during the ioctl operation and trigger a race condition (bsc#1171218).

CVE-2020-12464: Fixed a use-after-free due to a transfer without a reference (bsc#1170901).

CVE-2020-12114: Fixed a pivot_root race condition which could have allowed local users to cause a denial of service (panic) by corrupting a mountpoint reference counter (bsc#1171098).

CVE-2020-10757: Fixed an issue where remaping hugepage DAX to anon mmap could have caused user PTE access (bsc#1172317).

CVE-2020-10751: Fixed an improper implementation in SELinux LSM hook where it was assumed that an skb would only contain a single netlink message (bsc#1171189).

CVE-2020-10732: Fixed kernel data leak in userspace coredumps due to uninitialized data (bsc#1171220).

CVE-2020-10720: Fixed a use-after-free read in napi_gro_frags() (bsc#1170778).

CVE-2020-10711: Fixed a NULL pointer dereference in SELinux subsystem which could have allowed a remote network user to crash the kernel resulting in a denial of service (bsc#1171191).

CVE-2020-10690: Fixed the race between the release of ptp_clock and cdev (bsc#1170056).

CVE-2019-9455: Fixed a pointer leak due to a WARN_ON statement in a video driver. This could lead to local information disclosure with System execution privileges needed (bsc#1170345).

CVE-2019-20812: Fixed an issue in prb_calc_retire_blk_tmo() which could have resulted in a denial of service (bsc#1172453).

CVE-2019-20806: Fixed a NULL pointer dereference which may had lead to denial of service (bsc#1172199).

CVE-2019-19462: Fixed an issue which could have allowed local user to cause denial of service (bsc#1158265).

CVE-2018-1000199: Fixed a potential local code execution via ptrace (bsc#1089895).

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

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 Linux Enterprise Server 12-SP5 :

zypper in -t patch SUSE-SLE-SERVER-12-SP5-2020-1587=1

See Also

Plugin Details

Severity: Medium

ID: 137608

File Name: suse_SU-2020-1587-1.nasl

Version: 1.2

Type: local

Agent: unix

Published: 6/18/2020

Updated: 6/22/2020

Dependencies: ssh_get_info.nasl

Risk Information

CVSS Score Source: CVE-2020-12659


Risk Factor: Medium

Score: 6.7


Risk Factor: High

Base Score: 7.2

Temporal Score: 5.3

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

Temporal Vector: CVSS2#E:U/RL:OF/RC:C


Risk Factor: Medium

Base Score: 6.7

Temporal Score: 5.8

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

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

Vulnerability Information

CPE: cpe:2.3:o:novell:suse_linux:12:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:suse_linux:kernel-azure:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:suse_linux:kernel-azure-base:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:suse_linux:kernel-azure-base-debuginfo:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:suse_linux:kernel-azure-debuginfo:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:suse_linux:kernel-azure-debugsource:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:suse_linux:kernel-azure-devel:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:suse_linux:kernel-syms-azure:*:*:*:*:*:*:*

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: 6/9/2020

Vulnerability Publication Date: 5/24/2018

Reference Information

CVE: CVE-2018-1000199, CVE-2019-9455, CVE-2019-19462, CVE-2020-12464, CVE-2020-12114, CVE-2020-12652, CVE-2020-12659, CVE-2020-12654, CVE-2020-12657, CVE-2020-12653, CVE-2020-12656, CVE-2020-12655, CVE-2020-10690, CVE-2020-12768, CVE-2020-12769, CVE-2020-10711, CVE-2020-10720, CVE-2020-13143, CVE-2020-10751, CVE-2019-20806, CVE-2019-20812, CVE-2020-10757, CVE-2020-0543, CVE-2020-10732