Security update for the Linux Kernel (Live Patch 30 for SLE 12 SP2)
This update for the Linux Kernel 4.4.121-92_114 fixes several issues.
The following security issues were fixed:
- CVE-2020-10757: Fixed an issue where remaping hugepage DAX to anon mmap could have caused user PTE access (bsc#1172437).
- CVE-2019-15666: Fixed an out of bounds read __xfrm_policy_unlink, which could have led to denial of service (bsc#1172140).
Security update for the Linux Kernel (Live Patch 25 for SLE 12 SP3)
This update for the Linux Kernel 4.4.178-94_91 fixes several issues.
The following security issues were fixed:
- CVE-2020-12653: Fixed a buffer overflow in mwifiex_cmd_append_vsie_tlv() which could have allowed local users to gain privileges or cause a denial of service (bsc#1171254).
- CVE-2020-12654: Fixed a heap-based buffer overflow in mwifiex_ret_wmm_get_status() which could have been triggered by a remote AP to trigger (bsc#1171252).
Security update for the Linux Kernel (Live Patch 25 for SLE 12 SP3)
This update for the Linux Kernel 4.4.178-94_91 fixes several issues.
The following security issues were fixed:
- CVE-2020-1749: Fixed an issue in the networking protocols in encrypted IPsec tunnel (bsc#1165631)
- CVE-2019-5108: Fixed an issue where by triggering AP to send IAPP location updates for stations before the required authentication process has completed could have led to denial-of-service (bsc#1159913).
Security update for the Linux Kernel (Live Patch 27 for SLE 12 SP3)
This update for the Linux Kernel 4.4.180-94_100 fixes several issues.
The following security issues were fixed:
- CVE-2019-14896: A heap-based buffer overflow vulnerability was found in the Marvell WiFi chip 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 (bsc#1157157).
- CVE-2019-14897: A stack-based buffer overflow was found in the Marvell WiFi chip driver. An attacker was able to cause a denial of service (system crash) or, possibly execute arbitrary code, when a STA works in IBSS mode (allows co
Security update for the Linux Kernel (Live Patch 31 for SLE 12 SP2)
This update for the Linux Kernel 4.4.121-92_117 fixes several issues.
The following security issues were fixed:
- CVE-2018-20856: Fixed a use-after-free in __blk_drain_queue() due to an improper error handling (bsc#1156331).
- CVE-2019-13272: Fixed a privilege escalation from user to root due to improper handling of credentials by leveraging certain scenarios with a parent-child process relationship (bsc#1156321).
- CVE-2019-10220: Fixed an issue where samba servers could inject relative paths in directory entry lists (bsc#1153108).
The following bugs were fixed:
- Fixed boot up hang revealed by int3 self test (bsc#1157770).
Security update for the Linux Kernel (Live Patch 28 for SLE 12 SP3)
This update for the Linux Kernel 4.4.180-94_103 fixes several issues.
The following security issues were fixed:
- CVE-2019-10220: Fixed a relative path escape in the Samba client module (bsc#1144903, bsc#1153108).
- CVE-2019-17133: Fixed a buffer overflow in cfg80211_mgd_wext_giwessid in net/wireless/wext-sme.c caused by long SSID IEs (bsc#1153158).
Security update for the Linux Kernel (Live Patch 27 for SLE 12 SP2)
This update for the Linux Kernel 4.4.121-92_101 fixes one issue.
The following security issue was fixed:
- CVE-2019-14835: A buffer overflow flaw was found in the way vhost functionality, that translates virtqueue buffers to IOVs, logged the buffer descriptors during migration. A privileged guest user able to pass descriptors with invalid length to the host when migration is underway, could use this flaw to increase their privileges on the host (bsc#1151021).
Security update for the Linux Kernel (Live Patch 26 for SLE 12 SP3)
This update for the Linux Kernel 4.4.180-94_97 fixes one issue.
The following security issue was fixed:
This update contains a regression fix for CVE-2019-11478 (bsc#1140747).
Security update for the Linux Kernel (Live Patch 30 for SLE 12 SP2)
This update for the Linux Kernel 4.4.121-92_114 fixes several issues.
The following security issues were fixed:
- CVE-2019-11487: The Linux kernel allowed page->_refcount reference count overflow, with resultant use-after-free issues, if about 140 GiB of RAM exists. This is related to fs/fuse/dev.c, fs/pipe.c, fs/splice.c, include/linux/mm.h, include/linux/pipe_fs_i.h, kernel/trace/trace.c, mm/gup.c, and mm/hugetlb.c. It can occur with FUSE requests (bsc#1133191).
- CVE-2018-5390: Linux kernel could be forced to make very expensive calls to tcp_collapse_ofo_queue() and tcp_prune_ofo_queue() for every incoming packet which can lead to a deni
The SUSE Linux Enterprise 12 SP2 kernel version 4.4.121 was updated to receive
various security and bugfixes.
The following security bugs were fixed:
- CVE-2019-11477: A sequence of SACKs may have been crafted by a remote
attacker such that one can trigger an integer overflow, leading to a kernel
panic. (bsc#1137586).
- CVE-2019-11478: It was possible to send a crafted sequence of SACKs which
would fragment the TCP retransmission queue. A remote attacker may have been
able to further exploit the fragmented queue to cause an expensive linked-list
walk for subsequent SACKs received for that same TCP connection.
- CVE-2019-11479: