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The SUSE Linux Enterprise 15 SP1 kernel was updated to receive various security and bugfixes. The following security bugs were fixed : CVE-2020-15780: A lockdown bypass for loading unsigned modules using ACPI table injection was fixed. (bsc#1173573) CVE-2020-15393: Fixed a memory leak in usbtest_disconnect (bnc#1173514). CVE-2020-12771: An issue was discovered in btree_gc_coalesce in drivers/md/bcache/btree.c has 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-2020-10773: Fixed a memory leak on s390/s390x, in the cmm_timeout_hander in file arch/s390/mm/cmm.c (bnc#1172999). CVE-2020-14416: Fixed a race condition in tty->disc_data handling in the slip and slcan line discipline could lead to a use-after-free. This affects drivers/net/slip/slip.c and drivers/net/can/slcan.c (bnc#1162002). 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-2020-10766: 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-2020-13974: Fixed a integer overflow in drivers/tty/vt/keyboard.c, if k_ascii is called several times in a row (bnc#1172775). CVE-2020-0305: Fixed a possible use-after-free due to a race condition incdev_get of char_dev.c. This could lead to local escalation of privilege. User interaction is not needed for exploitation (bnc#1174462). 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. This flaw allowed a local attacker with user privileges to cause a denial of service (bnc#1173265). CVE-2020-10781: Fixed a denial of service issue in the ZRAM implementation (bnc#1173074). CVE-2019-20908: Fixed incorrect access permissions for the efivar_ssdt ACPI variable, which could be used by attackers to bypass lockdown or secure boot restrictions (bnc#1173567). CVE-2019-20810: Fixed a memory leak in go7007_snd_init in drivers/media/usb/go7007/snd-go7007.c because it did not call snd_card_free for a failure path (bnc#1172458). CVE-2019-16746: Fixed a buffer overflow in net/wireless/nl80211.c, related to invalid length checks for variable elements in a beacon head (bnc#1152107). 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 Workstation Extension 15-SP1 : zypper in -t patch SUSE-SLE-Product-WE-15-SP1-2020-2107=1 SUSE Linux Enterprise Module for Live Patching 15-SP1 : zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP1-2020-2107=1 SUSE Linux Enterprise Module for Legacy Software 15-SP1 : zypper in -t patch SUSE-SLE-Module-Legacy-15-SP1-2020-2107=1 SUSE Linux Enterprise Module for Development Tools 15-SP1 : zypper in -t patch SUSE-SLE-Module-Development-Tools-15-SP1-2020-2107=1 SUSE Linux Enterprise Module for Basesystem 15-SP1 : zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP1-2020-2107=1 SUSE Linux Enterprise High Availability 15-SP1 : zypper in -t patch SUSE-SLE-Product-HA-15-SP1-2020-2107=1