The SUSE Linux Enterprise 12 kernel was updated to fix the following security bugs:
- CVE-2017-7184: The Linux kernel allowed local users to obtain root privileges or cause a denial of service (heap-based out-of-bounds access) via unspecified vectors, as demonstrated during a Pwn2Own competition at CanSecWest 2017 (bnc#1030573, bnc#1028372).
- 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 discipline (bnc#1027565).
The SUSE Linux Enterprise 12 SP1 kernel was updated to fix the following two issues:
- CVE-2017-5970: Remote attackers could have potentially caused a denial of service by sending
bad IP options on a socket (bsc#1024938)
- Fix a regression in MD RAID1 which could have caused wrong data to be read (bsc#1020048)
The SUSE Linux Enterprise 12 GA LTSS kernel was updated to 3.12.61 to receive various security and bugfixes.
The following feature was implemented:
- The ext2 filesystem got reenabled and supported to allow support for 'XIP' (Execute In Place) (FATE#320805).
The following security bugs were fixed:
- CVE-2017-5551: The tmpfs filesystem implementation in the Linux kernel preserved the setgid bit during a setxattr call, which allowed local users to gain group privileges by leveraging the existence of a setgid program with restrictions on execute permissions (bsc#1021258).
- CVE-2016-7097: The filesystem implementation in the Linux kernel
The SUSE Linux Enterprise 12 SP1 kernel was updated to 3.12.69 to receive various security and bugfixes.
The following security bugs were fixed:
- CVE-2015-8962: Double free vulnerability in the sg_common_write function in drivers/scsi/sg.c in the Linux kernel allowed local users to gain privileges or cause a denial of service (memory corruption and system crash) by detaching a device during an SG_IO ioctl call (bnc#1010501).
- CVE-2015-8963: Race condition in kernel/events/core.c in the Linux kernel allowed local users to gain privileges or cause a denial of service (use-after-free) by leveraging incorrect handling of an swevent data str
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).
The SUSE Linux Enterprise 12 SP 2 kernel was updated to fix two security issues.
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).
The SUSE Linux Enterprise 12 kernel was updated to receive critical security fixes.
The following security bugs were fixed:
- CVE-2016-8655: A race condition in the af_packet packet_set_ring
function could be used by local attackers to crash the kernel or gain
privileges (bsc#1012754).
- CVE-2016-8632: The tipc_msg_build function in net/tipc/msg.c in
the Linux kernel did not validate the relationship between the minimum
fragment length and the maximum packet size, which allowed local users to
gain privileges or cause a denial of service (heap-based buffer overflow)
by leveraging the CAP_NET_ADMIN capability (bnc#1008831).
- CV
The SUSE Linux Enterprise 12 SP1 kernel was updated to receive various critical security fixes.
The following security bugs were fixed:
- CVE-2016-8655: A race condition in the af_packet packet_set_ring
function could be used by local attackers to crash the kernel or gain
privileges (bsc#1012754).
- CVE-2016-8632: The tipc_msg_build function in net/tipc/msg.c in
the Linux kernel did not validate the relationship between the minimum
fragment length and the maximum packet size, which allowed local users to
gain privileges or cause a denial of service (heap-based buffer overflow)
by leveraging the CAP_NET_ADMIN capability (bnc#100
The SUSE Linux Enterprise 12 kernel was updated to 3.12.67 to receive various security and bugfixes.
The following security bugs were fixed:
- CVE-2016-7042: The proc_keys_show function in security/keys/proc.c in
the Linux kernel used an incorrect buffer size for certain timeout data,
which allowed local users to cause a denial of service (stack memory
corruption and panic) by reading the /proc/keys file (bsc#1004517).
- CVE-2016-7097: The filesystem implementation in the Linux kernel
preserved the setgid bit during a setxattr call, which allowed local
users to gain group privileges by leveraging the existence of a setgid
progr
The SUSE Linux Enterprise 12 GA LTSS kernel was updated to fix two issues.
This security bug was fixed:
- CVE-2016-5195: Local privilege escalation using MAP_PRIVATE. It is reportedly exploited in the wild (bsc#1004418).
This non-security bug was fixed:
- sched/core: Fix a race between try_to_wake_up() and a woken up task (bsc#1002165, bsc#1001419).
The SUSE Linux Enterprise 12 SP1 kernel was updated to fix two issues.
This security bug was fixed:
- CVE-2016-5195: Local privilege escalation using MAP_PRIVATE. It is reportedly exploited in the wild (bsc#1004418).
This non-security bug was fixed:
- sched/core: Fix a race between try_to_wake_up() and a woken up task (bsc#1002165, bsc#1001419).
The SUSE Linux Enterprise 12 SP1 kernel was updated to 3.12.62 to receive various security and bugfixes.
The following security bugs were fixed:
- CVE-2014-9904: The snd_compress_check_input function in sound/core/compress_offload.c in the ALSA subsystem in the Linux kernel did not properly check for an integer overflow, which allowed local users to cause a denial of service (insufficient memory allocation) or possibly have unspecified other impact via a crafted SNDRV_COMPRESS_SET_PARAMS ioctl call (bnc#986811).
- CVE-2015-7833: The usbvision driver in the Linux kernel allowed physically proximate attackers to cause a denial of service (pani
The SUSE Linux Enterprise 12 GA kernel was updated to receive one critical security fix.
Security issue fixed:
- CVE-2016-4997: A buffer overflow in 32bit compat_setsockopt iptables handling could lead to a local privilege escalation. (bsc#986362)
The SUSE Linux Enterprise 12 kernel was updated to receive critical security and bugfixes.
Security issue fixed:
- CVE-2016-4997: A buffer overflow in 32bit compat_setsockopt iptables handling could lead to a local privilege escalation. (bsc#986362)
The following non-security bugs were fixed:
- KVM: x86: expose invariant tsc cpuid bit (v2) (bsc#971770).
- block: do not check request size in blk_cloned_rq_check_limits() (bsc#972124).
- rbd: handle OBJ_REQUEST_SG types for copyup (bsc#983394).
- target/rbd: do not put snap_context twice (bsc#981143).
- target/rbd: remove caw_mutex usage (bsc#981143).
The SUSE Linux Enterprise 12 SP1 kernel was updated to 3.12.59 to receive various security and bugfixes.
Main feature additions:
- Improved support for Clustered File System (CephFS, fate#318586).
- Addition of kGraft patches now produces logging messages to simplify auditing (fate#317827).
The following security bugs were fixed:
- CVE-2016-1583: Prevent the usage of mmap when the lower file system does not allow it. This could have lead to local privilege escalation when ecryptfs-utils was installed and /sbin/mount.ecryptfs_private was setuid (bsc#983143).
- CVE-2014-9717: fs/namespace.c in the Linux kernel processes MNT_DETACH umount2 sys
The SUSE Linux Enterprise 12 kernel was updated to 3.12.60 to receive various security and bugfixes.
The following security bugs were fixed:
- CVE-2014-9717: fs/namespace.c in the Linux kernel processes MNT_DETACH umount2 system called without verifying that the MNT_LOCKED flag is unset, which allowed local users to bypass intended access restrictions and navigate to filesystem locations beneath a mount by calling umount2 within a user namespace (bnc#928547).
- CVE-2015-8816: The hub_activate function in drivers/usb/core/hub.c in the Linux kernel did not properly maintain a hub-interface data structure, which allowed physically proximate at
The SUSE Linux Enterprise 12 GA kernel was updated to fix one security issue.
The following security bug was fixed:
- CVE-2016-1583: Prevent the usage of mmap when the lower file system does not allow it. This could have lead to local privilege escalation when ecryptfs-utils was installed and /sbin/mount.ecryptfs_private was setuid (bsc#983143).
The SUSE Linux Enterprise 12 SP1 kernel was updated to 3.12.57 to receive various security and bugfixes.
The following security bugs were fixed:
- CVE-2015-8812: A flaw was found in the CXGB3 kernel driver when
the network was considered congested. The kernel would incorrectly
misinterpret the congestion as an error condition and incorrectly
free/clean up the skb. When the device would then send the skb's queued,
these structures would be referenced and may panic the system or allow
an attacker to escalate privileges in a use-after-free scenario. (bsc#966437)
- CVE-2015-8816: A malicious USB device could cause a kernel crash in
The SUSE Linux Enterprise 12 kernel was updated to 3.12.55 to receive various security and bugfixes.
Features added:
- A improved XEN blkfront module was added, which allows more I/O bandwidth. (FATE#320625)
It is called xen-blkfront in PV, and xen-vbd-upstream in HVM mode.
The following security bugs were fixed:
- CVE-2013-7446: Use-after-free vulnerability in net/unix/af_unix.c in
the Linux kernel allowed local users to bypass intended AF_UNIX socket
permissions or cause a denial of service (panic) via crafted epoll_ctl
calls (bnc#955654).
- CVE-2015-5707: Integer overflow in the sg_start_req function in
drivers/scsi/sg.c in th
The SUSE Linux Enterprise 12 SP1 kernel was updated to 3.12.53 to receive various security and bugfixes.
The following security bugs were fixed:
- CVE-2013-7446: Use-after-free vulnerability in net/unix/af_unix.c in the Linux kernel allowed local users to bypass intended AF_UNIX socket permissions or cause a denial of service (panic) via crafted epoll_ctl calls (bnc#955654).
- CVE-2015-5707: Integer overflow in the sg_start_req function in drivers/scsi/sg.c in the Linux kernel allowed local users to cause a denial of service or possibly have unspecified other impact via a large iov_count value in a write request (bnc#940338).
- CVE-2015-7550