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 29 for SLE 12 SP2)
This update for the Linux Kernel 4.4.121-92_109 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).
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 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-2019-11477: Jonathan Looney discovered that the TCP_SKB_CB(skb)->tcp_gso_segs value was subject to an integer overflow when handling TCP Selective Acknowledgments (SACKs). A remote attacker could use this to cause a denial of service. (bsc#1137586)
- CVE-2019-11478: Jonathan Looney discovered that the TCP retransmission queue implementation in tcp_fragment could be fragmented when handling certain TCP Selective Acknowledgment (SACK) sequences. A remote attacker could use this to cause a denial of service. (bsc#1137586)
- CVE-
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 several issues.
The following security issues were fixed:
- CVE-2019-3846: A flaw that allowed an attacker to corrupt memory and possibly escalate privileges was found in the mwifiex kernel module while connecting to a malicious wireless network (bsc#1136446).
- 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 fu
Security update for the Linux Kernel (Live Patch 28 for SLE 12 SP2)
This update for the Linux Kernel 4.4.121-92_104 fixes one issue.
The following security issue was fixed:
- CVE-2018-5390: The 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 denial of service (bsc#1102682).
The SUSE Linux Enterprise 12 SP2 LTSS kernel was updated to receive various security and bugfixes.
The following security bugs were fixed:
- CVE-2019-2024: A use-after-free when disconnecting a source was fixed which could lead to crashes. bnc#1129179).
- CVE-2019-9213: expand_downwards in mm/mmap.c lacked a check for the mmap minimum address, which made it easier for attackers to exploit kernel NULL pointer dereferences on non-SMAP platforms. This is related to a capability check for the wrong task (bnc#1128166).
- CVE-2018-14633: A security flaw was found in the chap_server_compute_md5() function in the ISCSI target code in the Linux ke