SUSE SLES15 Security Update : kernel (SUSE-SU-2020:2487-1)

High Nessus Plugin ID 140378

New! Vulnerability Priority Rating (VPR)

Tenable calculates a dynamic VPR for every vulnerability. VPR combines vulnerability information with threat intelligence and machine learning algorithms to predict which vulnerabilities are most likely to be exploited in attacks. Read more about what VPR is and how it's different from CVSS.

VPR Score: 6.7

Synopsis

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

Description

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

The following security bugs were fixed :

CVE-2020-10135: Legacy pairing and secure-connections pairing authentication in Bluetooth BR/EDR Core Specification v5.2 and earlier may have allowed an unauthenticated user to complete authentication without pairing credentials via adjacent access. An unauthenticated, adjacent attacker could impersonate a Bluetooth BR/EDR master or slave to pair with a previously paired remote device to successfully complete the authentication procedure without knowing the link key (bnc#1171988).

CVE-2020-0305: In cdev_get of char_dev.c, there is a possible use-after-free due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation (bnc#1174462).

CVE-2019-20908: An issue was discovered in drivers/firmware/efi/efi.c where incorrect access permissions for the efivar_ssdt ACPI variable could be used by attackers to bypass lockdown or secure boot restrictions, aka CID-1957a85b0032 (bnc#1173567).

CVE-2020-10781: zram sysfs resource consumption was fixed (bnc#1173074).

CVE-2020-15780: An issue was discovered in drivers/acpi/acpi_configfs.c where injection of malicious ACPI tables via configfs could be used by attackers to bypass lockdown and secure boot restrictions, aka CID-75b0cea7bf30 (bnc#1173573).

CVE-2020-15393: usbtest_disconnect in drivers/usb/misc/usbtest.c had a memory leak, aka CID-28ebeb8db770 (bnc#1173514).

CVE-2020-12771: btree_gc_coalesce in drivers/md/bcache/btree.c had a deadlock if a coalescing operation fails (bnc#1171732).

CVE-2020-12888: The VFIO PCI driver mishandled attempts to access disabled memory space (bnc#1171868).

CVE-2020-10769: A buffer over-read flaw was found in crypto_authenc_extractkeys in crypto/authenc.c in the IPsec Cryptographic algorithm's module, authenc. When a payload longer than 4 bytes, and is not following 4-byte alignment boundary guidelines, it causes a buffer over-read threat, leading to a system crash. This flaw allowed a local attacker with user privileges to cause a denial of service (bnc#1173265).

CVE-2020-10773: A kernel stack information leak on s390/s390x was fixed (bnc#1172999).

CVE-2020-14416: A race condition in tty->disc_data handling in the slip and slcan line discipline could lead to a use-after-free, aka CID-0ace17d56824. This affects drivers/net/slip/slip.c and drivers/net/can/slcan.c (bnc#1162002).

CVE-2020-10766: Fixed an issue which allowed an attacker with a local account to disable SSBD protection (bnc#1172781).

CVE-2020-10767: Fixed an issue where Indirect Branch Prediction Barrier was disabled in certain circumstances, leaving the system open to a spectre v2 style attack (bnc#1172782).

CVE-2020-10768: Fixed an issue with the prctl() function, where indirect branch speculation could be enabled even though it was diabled before (bnc#1172783).

CVE-2020-13974: Fixed a integer overflow in drivers/tty/vt/keyboard.c, if k_ascii is called several times in a row (bnc#1172775).

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-2020-12659: 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-2020-11669: Fixed an issue where arch/powerpc/kernel/idle_book3s.S did not have save/restore functionality for PNV_POWERSAVE_AMR, PNV_POWERSAVE_UAMOR, and PNV_POWERSAVE_AMOR (bnc#1169390).

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-2019-20810: go7007_snd_init in drivers/media/usb/go7007/snd-go7007.c did not call snd_card_free for a failure path, which caused a memory leak, aka CID-9453264ef586 (bnc#1172458).

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.

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 Module for Realtime 15-SP1 :

zypper in -t patch SUSE-SLE-Module-RT-15-SP1-2020-2487=1

See Also

https://bugzilla.suse.com/show_bug.cgi?id=1051510

https://bugzilla.suse.com/show_bug.cgi?id=1058115

https://bugzilla.suse.com/show_bug.cgi?id=1065600

https://bugzilla.suse.com/show_bug.cgi?id=1065729

https://bugzilla.suse.com/show_bug.cgi?id=1071995

https://bugzilla.suse.com/show_bug.cgi?id=1082555

https://bugzilla.suse.com/show_bug.cgi?id=1083647

https://bugzilla.suse.com/show_bug.cgi?id=1085030

https://bugzilla.suse.com/show_bug.cgi?id=1089895

https://bugzilla.suse.com/show_bug.cgi?id=1090036

https://bugzilla.suse.com/show_bug.cgi?id=1103990

https://bugzilla.suse.com/show_bug.cgi?id=1103991

https://bugzilla.suse.com/show_bug.cgi?id=1103992

https://bugzilla.suse.com/show_bug.cgi?id=1104745

https://bugzilla.suse.com/show_bug.cgi?id=1109837

https://bugzilla.suse.com/show_bug.cgi?id=1111666

https://bugzilla.suse.com/show_bug.cgi?id=1112178

https://bugzilla.suse.com/show_bug.cgi?id=1112374

https://bugzilla.suse.com/show_bug.cgi?id=1113956

https://bugzilla.suse.com/show_bug.cgi?id=1114279

https://bugzilla.suse.com/show_bug.cgi?id=1124278

https://bugzilla.suse.com/show_bug.cgi?id=1127354

https://bugzilla.suse.com/show_bug.cgi?id=1127355

https://bugzilla.suse.com/show_bug.cgi?id=1127371

https://bugzilla.suse.com/show_bug.cgi?id=1133021

https://bugzilla.suse.com/show_bug.cgi?id=1137325

https://bugzilla.suse.com/show_bug.cgi?id=1142685

https://bugzilla.suse.com/show_bug.cgi?id=1144333

https://bugzilla.suse.com/show_bug.cgi?id=1145929

https://bugzilla.suse.com/show_bug.cgi?id=1148868

https://bugzilla.suse.com/show_bug.cgi?id=1150660

https://bugzilla.suse.com/show_bug.cgi?id=1151794

https://bugzilla.suse.com/show_bug.cgi?id=1151927

https://bugzilla.suse.com/show_bug.cgi?id=1152489

https://bugzilla.suse.com/show_bug.cgi?id=1152624

https://bugzilla.suse.com/show_bug.cgi?id=1154824

https://bugzilla.suse.com/show_bug.cgi?id=1157169

https://bugzilla.suse.com/show_bug.cgi?id=1158265

https://bugzilla.suse.com/show_bug.cgi?id=1158983

https://bugzilla.suse.com/show_bug.cgi?id=1159037

https://bugzilla.suse.com/show_bug.cgi?id=1159058

https://bugzilla.suse.com/show_bug.cgi?id=1159199

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https://bugzilla.suse.com/show_bug.cgi?id=1162002

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https://bugzilla.suse.com/show_bug.cgi?id=1164284

https://bugzilla.suse.com/show_bug.cgi?id=1164780

https://bugzilla.suse.com/show_bug.cgi?id=1164871

https://bugzilla.suse.com/show_bug.cgi?id=1165183

https://bugzilla.suse.com/show_bug.cgi?id=1165478

https://bugzilla.suse.com/show_bug.cgi?id=1165741

https://bugzilla.suse.com/show_bug.cgi?id=1166780

https://bugzilla.suse.com/show_bug.cgi?id=1166860

https://bugzilla.suse.com/show_bug.cgi?id=1166861

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https://bugzilla.suse.com/show_bug.cgi?id=1168952

https://bugzilla.suse.com/show_bug.cgi?id=1168959

https://bugzilla.suse.com/show_bug.cgi?id=1169020

https://bugzilla.suse.com/show_bug.cgi?id=1169057

https://bugzilla.suse.com/show_bug.cgi?id=1169194

https://bugzilla.suse.com/show_bug.cgi?id=1169390

https://bugzilla.suse.com/show_bug.cgi?id=1169514

https://bugzilla.suse.com/show_bug.cgi?id=1169525

https://bugzilla.suse.com/show_bug.cgi?id=1169625

https://bugzilla.suse.com/show_bug.cgi?id=1169762

https://bugzilla.suse.com/show_bug.cgi?id=1169771

https://bugzilla.suse.com/show_bug.cgi?id=1169795

https://bugzilla.suse.com/show_bug.cgi?id=1170011

https://bugzilla.suse.com/show_bug.cgi?id=1170056

https://bugzilla.suse.com/show_bug.cgi?id=1170125

https://bugzilla.suse.com/show_bug.cgi?id=1170145

https://bugzilla.suse.com/show_bug.cgi?id=1170284

https://bugzilla.suse.com/show_bug.cgi?id=1170345

https://bugzilla.suse.com/show_bug.cgi?id=1170442

https://bugzilla.suse.com/show_bug.cgi?id=1170457

https://bugzilla.suse.com/show_bug.cgi?id=1170522

https://bugzilla.suse.com/show_bug.cgi?id=1170592

https://bugzilla.suse.com/show_bug.cgi?id=1170617

https://bugzilla.suse.com/show_bug.cgi?id=1170618

https://bugzilla.suse.com/show_bug.cgi?id=1170620

https://bugzilla.suse.com/show_bug.cgi?id=1170621

https://bugzilla.suse.com/show_bug.cgi?id=1170770

https://bugzilla.suse.com/show_bug.cgi?id=1170778

https://bugzilla.suse.com/show_bug.cgi?id=1170791

https://bugzilla.suse.com/show_bug.cgi?id=1170901

https://bugzilla.suse.com/show_bug.cgi?id=1171078

https://bugzilla.suse.com/show_bug.cgi?id=1171098

https://bugzilla.suse.com/show_bug.cgi?id=1171118

https://bugzilla.suse.com/show_bug.cgi?id=1171124

https://bugzilla.suse.com/show_bug.cgi?id=1171189

https://bugzilla.suse.com/show_bug.cgi?id=1171191

https://bugzilla.suse.com/show_bug.cgi?id=1171195

https://bugzilla.suse.com/show_bug.cgi?id=1171202

https://bugzilla.suse.com/show_bug.cgi?id=1171205

https://bugzilla.suse.com/show_bug.cgi?id=1171214

https://bugzilla.suse.com/show_bug.cgi?id=1171217

https://bugzilla.suse.com/show_bug.cgi?id=1171218

https://bugzilla.suse.com/show_bug.cgi?id=1171219

https://bugzilla.suse.com/show_bug.cgi?id=1171220

https://bugzilla.suse.com/show_bug.cgi?id=1171244

https://bugzilla.suse.com/show_bug.cgi?id=1171293

https://bugzilla.suse.com/show_bug.cgi?id=1171417

https://bugzilla.suse.com/show_bug.cgi?id=1171424

https://bugzilla.suse.com/show_bug.cgi?id=1171527

https://bugzilla.suse.com/show_bug.cgi?id=1171529

https://bugzilla.suse.com/show_bug.cgi?id=1171530

https://bugzilla.suse.com/show_bug.cgi?id=1171558

https://bugzilla.suse.com/show_bug.cgi?id=1171599

https://bugzilla.suse.com/show_bug.cgi?id=1171600

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https://bugzilla.suse.com/show_bug.cgi?id=1171616

https://bugzilla.suse.com/show_bug.cgi?id=1171617

https://bugzilla.suse.com/show_bug.cgi?id=1171618

https://bugzilla.suse.com/show_bug.cgi?id=1171619

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https://bugzilla.suse.com/show_bug.cgi?id=1174115

https://bugzilla.suse.com/show_bug.cgi?id=1174122

https://bugzilla.suse.com/show_bug.cgi?id=1174123

https://bugzilla.suse.com/show_bug.cgi?id=1174186

https://bugzilla.suse.com/show_bug.cgi?id=1174187

https://bugzilla.suse.com/show_bug.cgi?id=1174296

https://bugzilla.suse.com/show_bug.cgi?id=1174343

https://bugzilla.suse.com/show_bug.cgi?id=1174356

https://bugzilla.suse.com/show_bug.cgi?id=1174409

https://bugzilla.suse.com/show_bug.cgi?id=1174438

https://bugzilla.suse.com/show_bug.cgi?id=1174462

https://www.suse.com/security/cve/CVE-2018-1000199/

https://www.suse.com/security/cve/CVE-2019-19462/

https://www.suse.com/security/cve/CVE-2019-20806/

https://www.suse.com/security/cve/CVE-2019-20810/

https://www.suse.com/security/cve/CVE-2019-20812/

https://www.suse.com/security/cve/CVE-2019-20908/

https://www.suse.com/security/cve/CVE-2019-9455/

https://www.suse.com/security/cve/CVE-2020-0305/

https://www.suse.com/security/cve/CVE-2020-0543/

https://www.suse.com/security/cve/CVE-2020-10135/

https://www.suse.com/security/cve/CVE-2020-10690/

https://www.suse.com/security/cve/CVE-2020-10711/

https://www.suse.com/security/cve/CVE-2020-10720/

https://www.suse.com/security/cve/CVE-2020-10732/

https://www.suse.com/security/cve/CVE-2020-10751/

https://www.suse.com/security/cve/CVE-2020-10757/

https://www.suse.com/security/cve/CVE-2020-10766/

https://www.suse.com/security/cve/CVE-2020-10767/

https://www.suse.com/security/cve/CVE-2020-10768/

https://www.suse.com/security/cve/CVE-2020-10769/

https://www.suse.com/security/cve/CVE-2020-10773/

https://www.suse.com/security/cve/CVE-2020-10781/

https://www.suse.com/security/cve/CVE-2020-11669/

https://www.suse.com/security/cve/CVE-2020-12114/

https://www.suse.com/security/cve/CVE-2020-12464/

https://www.suse.com/security/cve/CVE-2020-12652/

https://www.suse.com/security/cve/CVE-2020-12653/

https://www.suse.com/security/cve/CVE-2020-12654/

https://www.suse.com/security/cve/CVE-2020-12655/

https://www.suse.com/security/cve/CVE-2020-12656/

https://www.suse.com/security/cve/CVE-2020-12657/

https://www.suse.com/security/cve/CVE-2020-12659/

https://www.suse.com/security/cve/CVE-2020-12769/

https://www.suse.com/security/cve/CVE-2020-12771/

https://www.suse.com/security/cve/CVE-2020-12888/

https://www.suse.com/security/cve/CVE-2020-13143/

https://www.suse.com/security/cve/CVE-2020-13974/

https://www.suse.com/security/cve/CVE-2020-14416/

https://www.suse.com/security/cve/CVE-2020-15393/

https://www.suse.com/security/cve/CVE-2020-15780/

http://www.nessus.org/u?7934daea

Plugin Details

Severity: High

ID: 140378

File Name: suse_SU-2020-2487-1.nasl

Version: 1.2

Type: local

Agent: unix

Published: 2020/09/08

Updated: 2020/09/10

Dependencies: 12634

Risk Information

Risk Factor: High

VPR Score: 6.7

CVSS Score Source: CVE-2020-15780

CVSS v2.0

Base Score: 7.2

Temporal Score: 5.6

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

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

CVSS v3.0

Base Score: 6.7

Temporal Score: 6

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:P/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:cluster-md-kmp-rt, p-cpe:/a:novell:suse_linux:cluster-md-kmp-rt-debuginfo, p-cpe:/a:novell:suse_linux:dlm-kmp-rt, p-cpe:/a:novell:suse_linux:dlm-kmp-rt-debuginfo, p-cpe:/a:novell:suse_linux:gfs2-kmp-rt, p-cpe:/a:novell:suse_linux:gfs2-kmp-rt-debuginfo, p-cpe:/a:novell:suse_linux:kernel-rt, p-cpe:/a:novell:suse_linux:kernel-rt-base, p-cpe:/a:novell:suse_linux:kernel-rt-base-debuginfo, p-cpe:/a:novell:suse_linux:kernel-rt-debuginfo, p-cpe:/a:novell:suse_linux:kernel-rt-debugsource, p-cpe:/a:novell:suse_linux:kernel-rt-devel, p-cpe:/a:novell:suse_linux:kernel-rt-devel-debuginfo, p-cpe:/a:novell:suse_linux:kernel-rt_debug-debuginfo, p-cpe:/a:novell:suse_linux:kernel-rt_debug-debugsource, p-cpe:/a:novell:suse_linux:kernel-rt_debug-devel, p-cpe:/a:novell:suse_linux:kernel-rt_debug-devel-debuginfo, p-cpe:/a:novell:suse_linux:kernel-syms-rt, p-cpe:/a:novell:suse_linux:ocfs2-kmp-rt, p-cpe:/a:novell:suse_linux:ocfs2-kmp-rt-debuginfo, cpe:/o:novell:suse_linux:15

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: 2020/09/04

Vulnerability Publication Date: 2018/05/24

Reference Information

CVE: CVE-2018-1000199, CVE-2019-19462, CVE-2019-20806, CVE-2019-20810, CVE-2019-20812, CVE-2019-20908, CVE-2019-9455, CVE-2020-0305, CVE-2020-0543, CVE-2020-10135, CVE-2020-10690, CVE-2020-10711, CVE-2020-10720, CVE-2020-10732, CVE-2020-10751, CVE-2020-10757, CVE-2020-10766, CVE-2020-10767, CVE-2020-10768, CVE-2020-10769, CVE-2020-10773, CVE-2020-10781, CVE-2020-11669, CVE-2020-12114, CVE-2020-12464, CVE-2020-12652, CVE-2020-12653, CVE-2020-12654, CVE-2020-12655, CVE-2020-12656, CVE-2020-12657, CVE-2020-12659, CVE-2020-12769, CVE-2020-12771, CVE-2020-12888, CVE-2020-13143, CVE-2020-13974, CVE-2020-14416, CVE-2020-15393, CVE-2020-15780