The SUSE Linux Enterprise 11 SP1 kernel was updated to receive various security and bugfixes.
The following security bugs were fixed:
- CVE-2019-1125: Fixed SWAPGS speculative execution (bsc#1139358). - CVE-2019-16413: Fixed an improper check of i_size_write() which caused i_size_read() infinite loop and denial of service on SMP systems (bsc#1151347). - CVE-2019-16746: Fixed an improper check of the length of variable elements in a beacon head, leading to a buffer overflow (bsc#1152107). - CVE-2019-6133: Fixed an issue where the 'start time' protection mechanism could have been bypassed and therefore authorization decisions are improperly cached (bsc#1128172). - CVE-2020-0305: Fixed a race condition which could have led to local escalation of privilege (bsc#1174462). - CVE-2020-0404: Fixed a linked list corruption due to an unusual root cause (bsc#1176423). - CVE-2020-0431: Fixed an out of bounds write due to a missing bounds check (bsc#1176722). - CVE-2020-10769: Fixed a buffer over-read in the IPsec Cryptographic algorithm's module, authenc. This flaw allowed a local attacker with user privileges to cause a denial of service (bsc#1173265). - CVE-2020-10773: Fixed a memory leak on s390/s390x, in the cmm_timeout_hander in file arch/s390/mm/cmm.c (bsc#1172999). - CVE-2020-14353: Fixed an issue where keys - for keyctl prevent creating a different user's keyrings (bsc#1174993). - CVE-2020-14381: Fixed requeue paths such that filp was valid when dropping the references (bsc#1176011). - CVE-2020-14390: Fixed an out-of-bounds memory write leading to memory corruption or a denial of service when changing screen size (bsc#1176235). - CVE-2020-14416: Fixed a race condition in tty->disc_data handling in the slip and slcan line discipline which could have led to a use-after-free (bsc#1162002). - CVE-2020-15437: Fixed a null pointer dereference which could have allowed local users to cause a denial of service(bsc#1179140). - CVE-2020-25643: Fixed a memory corruption and a read overflow which could have caused by improper input validation in the ppp_cp_parse_cr function (bsc#1177206). - CVE-2020-25656: Fixed a concurrency use-after-free in vt_do_kdgkb_ioctl (bsc#1177766). - CVE-2020-25668: Fixed a use-after-free in con_font_op() (bsc#1178123). - CVE-2020-25669: Fixed a use-after-free read in sunkbd_reinit() (bsc#1178182). - CVE-2020-27786: Fixed a use after free in kernel midi subsystem snd_rawmidi_kernel_read1() (bsc#1179601). - CVE-2020-28915: Fixed a buffer over-read in the fbcon code which could have been used by local attackers to read kernel memory (bsc#1178886). - CVE-2020-28974: Fixed a slab-out-of-bounds read in fbcon (bsc#1178589). - net/x25: prevent a couple of overflows (bsc#1178590).
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