Security update for the Linux Kernel (Live Patch 18 for SLE 12)
This update for the Linux Kernel 3.12.60-52_63 fixes several issues.
The following security issues were fixed:
- CVE-2017-16939: The XFRM dump policy implementation in net/xfrm/xfrm_user.c allowed local users to gain privileges or cause a denial of service (use-after-free) via a crafted SO_RCVBUF setsockopt system call in conjunction with XFRM_MSG_GETPOLICY Netlink messages (bsc#1069708).
- CVE-2017-10661: Race condition in fs/timerfd.c allowed local users to gain privileges or cause a denial of service (list corruption or use-after-free) via simultaneous file-descriptor operations that leverage improper might_cancel queueing (bsc#1053153).
Security update for the Linux Kernel (Live Patch 18 for SLE 12)
This update for the Linux Kernel 3.12.60-52_63 fixes several issues.
The following security issues were fixed:
- CVE-2017-15649: net/packet/af_packet.c in the Linux kernel allowed local users to gain privileges via crafted system calls that trigger mishandling of packet_fanout data structures, because of a race condition (involving fanout_add and packet_do_bind) that leads to a use-after-free, a different vulnerability than CVE-2017-6346 (bsc#1064392)
- CVE-2017-13080: Wi-Fi Protected Access (WPA and WPA2) allowed reinstallation of the Group Temporal Key (GTK) during the group key handshake, allowing an attacker within radio range to replay
Security update for Linux Kernel Live Patch 18 for SLE 12
This update for the Linux Kernel 3.12.60-52_63 fixes one issue.
The following security bugs were fixed:
- CVE-2017-15274: security/keys/keyctl.c in the Linux kernel did not consider the case of a NULL payload in conjunction with a nonzero length value, which allowed local users to cause a denial of service (NULL pointer dereference and OOPS) via a crafted add_key or keyctl system call (bsc#1045327).
- CVE-2017-1000251: The native Bluetooth stack in the Linux Kernel (BlueZ) was vulnerable to a stack overflow vulnerability in the processing of L2CAP configuration responses resulting in Remote code execution in kernel space (bsc#1057950).
Security update for Linux Kernel Live Patch 18 for SLE 12
This update for the Linux Kernel 3.12.60-52_63 fixes several issues.
The following security bugs were fixed:
- CVE-2017-1000112: Prevent a race condition in net-packet code that could have been exploited by unprivileged users to gain root access (bsc#1052368).
Security update for Linux Kernel Live Patch 18 for SLE 12
This update for the Linux Kernel 3.12.60-52_63 fixes several issues.
The following security bugs were fixed:
- CVE-2017-7533: A bug in inotify code allowed local users to escalate privilege (bsc#1050751).
- CVE-2017-7645: The NFSv2/NFSv3 server in the nfsd subsystem in the Linux kernel allowed remote attackers to cause a denial of service (system crash) via a long RPC reply, related to net/sunrpc/svc.c, fs/nfsd/nfs3xdr.c, and fs/nfsd/nfsxdr.c (bsc#1046191).
- CVE-2017-2636: Race condition in drivers/tty/n_hdlc.c in the Linux kernel allowed local users to gain privileges or cause a denial of service (double free) by setting the HDLC line dis
Security update for Linux Kernel Live Patch 18 for SLE 12
This update for the Linux Kernel 3.12.60-52_63 fixes several issues.
The following security bugs were fixed:
- CVE-2017-1000364: An issue was discovered in the size of the stack guard page on Linux, specifically a 4k stack guard page is not sufficiently large and can be 'jumped' over (the stack guard page is bypassed) (bsc#1039496).
Security update for Linux Kernel Live Patch 18 for SLE 12
This update for the Linux Kernel 3.12.60-52_63 fixes several issues.
The following security bugs were fixed:
- CVE-2017-7308: The packet_set_ring function in net/packet/af_packet.c in the Linux kernel did not properly validate certain block-size data, which allowed local users to cause a denial of service (overflow) or possibly have unspecified other impact via crafted system calls (bsc#1030575, bsc#1031660).
Security update for Linux Kernel Live Patch 18 for SLE 12
This update for the Linux Kernel 3.12.60-52_63 fixes one issue.
The following security bugs were fixed:
- CVE-2017-7184: The XFRM processsing in the Linux kernel 16.10 allowed local users to obtain root privileges or cause a denial of service (heap-based out-of-bounds access) via an integer overflow, as demonstrated during a Pwn2Own competition at CanSecWest 2017 (bsc#1030575).
Security update for Linux Kernel Live Patch 18 for SLE 12
This update for the Linux Kernel 3.12.60-52_63 fixes one issue.
The following security bug was fixed:
- CVE-2017-5970: The ipv4_pktinfo_prepare function in net/ipv4/ip_sockglue.c in the Linux kernel allowed attackers to cause a denial of service (system crash) via (1) an application that made crafted system calls or possibly (2) IPv4 traffic with invalid IP options (bsc#1025013).
Security update for Linux Kernel Live Patch 18 for SLE 12
This update for the Linux Kernel 3.12.60-52_63 fixes several issues.
The following security bugs were fixed:
- CVE-2016-9806: Race condition in the netlink_dump function in net/netlink/af_netlink.c in the Linux kernel allowed local users to cause a denial of service (double free) or possibly have unspecified other impact via a crafted application that made sendmsg system calls, leading to a free operation associated with a new dump that started earlier than anticipated (bsc#1017589).
The SUSE Linux Enterprise 12 kernel was updated to receive two security fixes.
The following security bugs were fixed:
- CVE-2016-9576: A use-after-free vulnerability in the SCSI generic driver allows users with write access to /dev/sg* or /dev/bsg* to elevate their privileges (bsc#1013604).
- CVE-2016-9794: A use-after-free vulnerability in the ALSA pcm layer allowed local users to cause a denial of service, memory corruption or possibly even to elevate their privileges (bsc#1013533).