SUSE Security Update: Security update for the Linux Kernel ______________________________________________________________________________ Announcement ID: SUSE-SU-2016:2074-1 Rating: important References: #816446 #861093 #928130 #935757 #939826 #942367 #945825 #946117 #946309 #948562 #949744 #949936 #951440 #952384 #953527 #954404 #955354 #955654 #956708 #956709 #958463 #958886 #958951 #959190 #959399 #961500 #961509 #961512 #963765 #963767 #964201 #966437 #966460 #966662 #966693 #967972 #967973 #967974 #967975 #968010 #968011 #968012 #968013 #968670 #970504 #970892 #970909 #970911 #970948 #970956 #970958 #970970 #971124 #971125 #971126 #971360 #972510 #973570 #975945 #977847 #978822 Cross-References: CVE-2013-2015 CVE-2013-7446 CVE-2015-0272 CVE-2015-3339 CVE-2015-5307 CVE-2015-6252 CVE-2015-6937 CVE-2015-7509 CVE-2015-7515 CVE-2015-7550 CVE-2015-7566 CVE-2015-7799 CVE-2015-7872 CVE-2015-7990 CVE-2015-8104 CVE-2015-8215 CVE-2015-8539 CVE-2015-8543 CVE-2015-8569 CVE-2015-8575 CVE-2015-8767 CVE-2015-8785 CVE-2015-8812 CVE-2015-8816 CVE-2016-0723 CVE-2016-2069 CVE-2016-2143 CVE-2016-2184 CVE-2016-2185 CVE-2016-2186 CVE-2016-2188 CVE-2016-2384 CVE-2016-2543 CVE-2016-2544 CVE-2016-2545 CVE-2016-2546 CVE-2016-2547 CVE-2016-2548 CVE-2016-2549 CVE-2016-2782 CVE-2016-2847 CVE-2016-3134 CVE-2016-3137 CVE-2016-3138 CVE-2016-3139 CVE-2016-3140 CVE-2016-3156 CVE-2016-4486 Affected Products: SUSE Linux Enterprise Server 11-SP2-LTSS SUSE Linux Enterprise Debuginfo 11-SP2 ______________________________________________________________________________ An update that solves 48 vulnerabilities and has 13 fixes is now available. Description: The SUSE Linux Enterprise 11 SP2 kernel was updated to receive various security and bug fixes. The following security bugs were fixed: - CVE-2016-4486: Fixed 4 byte information leak in net/core/rtnetlink.c (bsc#978822). - CVE-2016-3134: The netfilter subsystem in the Linux kernel did not validate certain offset fields, which allowed local users to gain privileges or cause a denial of service (heap memory corruption) via an IPT_SO_SET_REPLACE setsockopt call (bnc#971126). - CVE-2016-2847: fs/pipe.c in the Linux kernel did not limit the amount of unread data in pipes, which allowed local users to cause a denial of service (memory consumption) by creating many pipes with non-default sizes (bnc#970948). - CVE-2016-2188: The iowarrior_probe function in drivers/usb/misc/iowarrior.c in the Linux kernel allowed physically proximate attackers to cause a denial of service (NULL pointer dereference and system crash) via a crafted endpoints value in a USB device descriptor (bnc#970956). - CVE-2016-3138: The acm_probe function in drivers/usb/class/cdc-acm.c in the Linux kernel allowed physically proximate attackers to cause a denial of service (NULL pointer dereference and system crash) via a USB device without both a control and a data endpoint descriptor (bnc#970911). - CVE-2016-3137: drivers/usb/serial/cypress_m8.c in the Linux kernel allowed physically proximate attackers to cause a denial of service (NULL pointer dereference and system crash) via a USB device without both an interrupt-in and an interrupt-out endpoint descriptor, related to the cypress_generic_port_probe and cypress_open functions (bnc#970970). - CVE-2016-3140: The digi_port_init function in drivers/usb/serial/digi_acceleport.c in the Linux kernel allowed physically proximate attackers to cause a denial of service (NULL pointer dereference and system crash) via a crafted endpoints value in a USB device descriptor (bnc#970892). - CVE-2016-2186: The powermate_probe function in drivers/input/misc/powermate.c in the Linux kernel allowed physically proximate attackers to cause a denial of service (NULL pointer dereference and system crash) via a crafted endpoints value in a USB device descriptor (bnc#970958). - CVE-2016-2185: The ati_remote2_probe function in drivers/input/misc/ati_remote2.c in the Linux kernel allowed physically proximate attackers to cause a denial of service (NULL pointer dereference and system crash) via a crafted endpoints value in a USB device descriptor (bnc#971124). - CVE-2016-3156: The IPv4 implementation in the Linux kernel mishandles destruction of device objects, which allowed guest OS users to cause a denial of service (host OS networking outage) by arranging for a large number of IP addresses (bnc#971360). - CVE-2016-2184: The create_fixed_stream_quirk function in sound/usb/quirks.c in the snd-usb-audio driver in the Linux kernel allowed physically proximate attackers to cause a denial of service (NULL pointer dereference or double free, and system crash) via a crafted endpoints value in a USB device descriptor (bnc#971125). - CVE-2016-3139: The wacom_probe function in drivers/input/tablet/wacom_sys.c in the Linux kernel allowed physically proximate attackers to cause a denial of service (NULL pointer dereference and system crash) via a crafted endpoints value in a USB device descriptor (bnc#970909). - CVE-2016-2143: The fork implementation in the Linux kernel on s390 platforms mishandled the case of four page-table levels, which allowed local users to cause a denial of service (system crash) or possibly have unspecified other impact via a crafted application, related to arch/s390/include/asm/mmu_context.h and arch/s390/include/asm/pgalloc.h (bnc#970504). - CVE-2016-2782: The treo_attach function in drivers/usb/serial/visor.c in the Linux kernel allowed physically proximate attackers to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact by inserting a USB device that lacks a (1) bulk-in or (2) interrupt-in endpoint (bnc#968670). - 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 attackers to cause a denial of service (invalid memory access and system crash) or possibly have unspecified other impact by unplugging a USB hub device (bnc#968010). - CVE-2015-7566: The clie_5_attach function in drivers/usb/serial/visor.c in the Linux kernel allowed physically proximate attackers to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact by inserting a USB device that lacks a bulk-out endpoint (bnc#961512). - CVE-2016-2549: sound/core/hrtimer.c in the Linux kernel did not prevent recursive callback access, which allowed local users to cause a denial of service (deadlock) via a crafted ioctl call (bnc#968013). - CVE-2016-2547: sound/core/timer.c in the Linux kernel employed a locking approach that did not consider slave timer instances, which allowed local users to cause a denial of service (race condition, use-after-free, and system crash) via a crafted ioctl call (bnc#968011). - CVE-2016-2548: sound/core/timer.c in the Linux kernel retained certain linked lists after a close or stop action, which allowed local users to cause a denial of service (system crash) via a crafted ioctl call, related to the (1) snd_timer_close and (2) _snd_timer_stop functions (bnc#968012). - CVE-2016-2546: sound/core/timer.c in the Linux kernel used an incorrect type of mutex, which allowed local users to cause a denial of service (race condition, use-after-free, and system crash) via a crafted ioctl call (bnc#967975). - CVE-2016-2545: The snd_timer_interrupt function in sound/core/timer.c in the Linux kernel did not properly maintain a certain linked list, which allowed local users to cause a denial of service (race condition and system crash) via a crafted ioctl call (bnc#967974). - CVE-2016-2544: Race condition in the queue_delete function in sound/core/seq/seq_queue.c in the Linux kernel allowed local users to cause a denial of service (use-after-free and system crash) by making an ioctl call at a certain time (bnc#967973). - CVE-2016-2543: The snd_seq_ioctl_remove_events function in sound/core/seq/seq_clientmgr.c in the Linux kernel did not verify FIFO assignment before proceeding with FIFO clearing, which allowed local users to cause a denial of service (NULL pointer dereference and OOPS) via a crafted ioctl call (bnc#967972). - CVE-2016-2384: Double free vulnerability in the snd_usbmidi_create function in sound/usb/midi.c in the Linux kernel allowed physically proximate attackers to cause a denial of service (panic) or possibly have unspecified other impact via vectors involving an invalid USB descriptor (bnc#966693). - CVE-2015-8812: drivers/infiniband/hw/cxgb3/iwch_cm.c in the Linux kernel did not properly identify error conditions, which allowed remote attackers to execute arbitrary code or cause a denial of service (use-after-free) via crafted packets (bnc#966437). - CVE-2015-8785: The fuse_fill_write_pages function in fs/fuse/file.c in the Linux kernel allowed local users to cause a denial of service (infinite loop) via a writev system call that triggers a zero length for the first segment of an iov (bnc#963765). - CVE-2016-2069: Race condition in arch/x86/mm/tlb.c in the Linux kernel .4.1 allowed local users to gain privileges by triggering access to a paging structure by a different CPU (bnc#963767). - CVE-2016-0723: Race condition in the tty_ioctl function in drivers/tty/tty_io.c in the Linux kernel allowed local users to obtain sensitive information from kernel memory or cause a denial of service (use-after-free and system crash) by making a TIOCGETD ioctl call during processing of a TIOCSETD ioctl call (bnc#961500). - 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-2015-8767: net/sctp/sm_sideeffect.c in the Linux kernel did not properly manage the relationship between a lock and a socket, which allowed local users to cause a denial of service (deadlock) via a crafted sctp_accept call (bnc#961509). - CVE-2015-7515: The aiptek_probe function in drivers/input/tablet/aiptek.c in the Linux kernel allowed physically proximate attackers to cause a denial of service (NULL pointer dereference and system crash) via a crafted USB device that lacks endpoints (bnc#956708). - CVE-2015-8215: net/ipv6/addrconf.c in the IPv6 stack in the Linux kernel did not validate attempted changes to the MTU value, which allowed context-dependent attackers to cause a denial of service (packet loss) via a value that is (1) smaller than the minimum compliant value or (2) larger than the MTU of an interface, as demonstrated by a Router Advertisement (RA) message that is not validated by a daemon, a different vulnerability than CVE-2015-0272 (bnc#955354). - CVE-2015-7550: The keyctl_read_key function in security/keys/keyctl.c in the Linux kernel did not properly use a semaphore, which allowed local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact via a crafted application that leverages a race condition between keyctl_revoke and keyctl_read calls (bnc#958951). - CVE-2015-8569: The (1) pptp_bind and (2) pptp_connect functions in drivers/net/ppp/pptp.c in the Linux kernel did not verify an address length, which allowed local users to obtain sensitive information from kernel memory and bypass the KASLR protection mechanism via a crafted application (bnc#959190). - CVE-2015-8575: The sco_sock_bind function in net/bluetooth/sco.c in the Linux kernel did not verify an address length, which allowed local users to obtain sensitive information from kernel memory and bypass the KASLR protection mechanism via a crafted application (bnc#959399). - CVE-2015-8543: The networking implementation in the Linux kernel did not validate protocol identifiers for certain protocol families, which allowed local users to cause a denial of service (NULL function pointer dereference and system crash) or possibly gain privileges by leveraging CLONE_NEWUSER support to execute a crafted SOCK_RAW application (bnc#958886). - CVE-2015-8539: The KEYS subsystem in the Linux kernel allowed local users to gain privileges or cause a denial of service (BUG) via crafted keyctl commands that negatively instantiate a key, related to security/keys/encrypted-keys/encrypted.c, security/keys/trusted.c, and security/keys/user_defined.c (bnc#958463). - CVE-2015-7509: fs/ext4/namei.c in the Linux kernel allowed physically proximate attackers to cause a denial of service (system crash) via a crafted no-journal filesystem, a related issue to CVE-2013-2015 (bnc#956709). - CVE-2015-7799: The slhc_init function in drivers/net/slip/slhc.c in the Linux kernel did not ensure that certain slot numbers are valid, which allowed local users to cause a denial of service (NULL pointer dereference and system crash) via a crafted PPPIOCSMAXCID ioctl call (bnc#949936). - CVE-2015-8104: The KVM subsystem in the Linux kernel allowed guest OS users to cause a denial of service (host OS panic or hang) by triggering many #DB (aka Debug) exceptions, related to svm.c (bnc#954404). - CVE-2015-5307: The KVM subsystem in the Linux kernel allowed guest OS users to cause a denial of service (host OS panic or hang) by triggering many #AC (aka Alignment Check) exceptions, related to svm.c and vmx.c (bnc#953527). - CVE-2015-7990: Race condition in the rds_sendmsg function in net/rds/sendmsg.c in the Linux kernel allowed local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact by using a socket that was not properly bound (bnc#952384). - CVE-2015-7872: The key_gc_unused_keys function in security/keys/gc.c in the Linux kernel allowed local users to cause a denial of service (OOPS) via crafted keyctl commands (bnc#951440). - CVE-2015-6937: The __rds_conn_create function in net/rds/connection.c in the Linux kernel allowed local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact by using a socket that was not properly bound (bnc#945825). - CVE-2015-6252: The vhost_dev_ioctl function in drivers/vhost/vhost.c in the Linux kernel allowed local users to cause a denial of service (memory consumption) via a VHOST_SET_LOG_FD ioctl call that triggers permanent file-descriptor allocation (bnc#942367). - CVE-2015-3339: Race condition in the prepare_binprm function in fs/exec.c in the Linux kernel allowed local users to gain privileges by executing a setuid program at a time instant when a chown to root is in progress, and the ownership is changed but the setuid bit is not yet stripped (bnc#928130). The following non-security bugs were fixed: - Fix handling of re-write-before-commit for mmapped NFS pages (bsc#964201). - Fix lpfc_send_rscn_event allocation size claims bnc#935757 - Fix ntpd clock synchronization in Xen PV domains (bnc#816446). - Fix vmalloc_fault oops during lazy MMU updates (bsc#948562). - Make sure XPRT_CONNECTING gets cleared when needed (bsc#946309). - SCSI: bfa: Fix to handle firmware tskim abort request response (bsc#972510). - USB: usbip: fix potential out-of-bounds write (bnc#975945). - af_unix: Guard against other == sk in unix_dgram_sendmsg (bsc#973570). - dm-snap: avoid deadock on s->lock when a read is split (bsc#939826). - mm/hugetlb: check for pte NULL pointer in __page_check_address() (bsc#977847). - nf_conntrack: fix bsc#758540 kabi fix (bsc#946117). - privcmd: allow preempting long running user-mode originating hypercalls (bnc#861093). - s390/cio: collect format 1 channel-path description data (bsc#966460, bsc#966662). - s390/cio: ensure consistent measurement state (bsc#966460, bsc#966662). - s390/cio: fix measurement characteristics memleak (bsc#966460, bsc#966662). - s390/cio: update measurement characteristics (bsc#966460, bsc#966662). - xfs: Fix lost direct IO write in the last block (bsc#949744). Patch Instructions: To install this SUSE Security Update use YaST online_update. Alternatively you can run the command listed for your product: - SUSE Linux Enterprise Server 11-SP2-LTSS: zypper in -t patch slessp2-kernel-source-12693=1 - SUSE Linux Enterprise Debuginfo 11-SP2: zypper in -t patch dbgsp2-kernel-source-12693=1 To bring your system up-to-date, use "zypper patch". Package List: - SUSE Linux Enterprise Server 11-SP2-LTSS (i586 s390x x86_64): kernel-default-3.0.101-0.7.40.1 kernel-default-base-3.0.101-0.7.40.1 kernel-default-devel-3.0.101-0.7.40.1 kernel-source-3.0.101-0.7.40.1 kernel-syms-3.0.101-0.7.40.1 kernel-trace-3.0.101-0.7.40.1 kernel-trace-base-3.0.101-0.7.40.1 kernel-trace-devel-3.0.101-0.7.40.1 - SUSE Linux Enterprise Server 11-SP2-LTSS (i586 x86_64): kernel-ec2-3.0.101-0.7.40.1 kernel-ec2-base-3.0.101-0.7.40.1 kernel-ec2-devel-3.0.101-0.7.40.1 kernel-xen-3.0.101-0.7.40.1 kernel-xen-base-3.0.101-0.7.40.1 kernel-xen-devel-3.0.101-0.7.40.1 - SUSE Linux Enterprise Server 11-SP2-LTSS (s390x): kernel-default-man-3.0.101-0.7.40.1 - SUSE Linux Enterprise Server 11-SP2-LTSS (i586): kernel-pae-3.0.101-0.7.40.1 kernel-pae-base-3.0.101-0.7.40.1 kernel-pae-devel-3.0.101-0.7.40.1 - SUSE Linux Enterprise Debuginfo 11-SP2 (i586 s390x x86_64): kernel-default-debuginfo-3.0.101-0.7.40.1 kernel-default-debugsource-3.0.101-0.7.40.1 kernel-default-devel-debuginfo-3.0.101-0.7.40.1 kernel-trace-debuginfo-3.0.101-0.7.40.1 kernel-trace-debugsource-3.0.101-0.7.40.1 kernel-trace-devel-debuginfo-3.0.101-0.7.40.1 - SUSE Linux Enterprise Debuginfo 11-SP2 (i586 x86_64): kernel-ec2-debuginfo-3.0.101-0.7.40.1 kernel-ec2-debugsource-3.0.101-0.7.40.1 kernel-xen-debuginfo-3.0.101-0.7.40.1 kernel-xen-debugsource-3.0.101-0.7.40.1 kernel-xen-devel-debuginfo-3.0.101-0.7.40.1 - SUSE Linux Enterprise Debuginfo 11-SP2 (i586): kernel-pae-debuginfo-3.0.101-0.7.40.1 kernel-pae-debugsource-3.0.101-0.7.40.1 kernel-pae-devel-debuginfo-3.0.101-0.7.40.1 References: https://www.suse.com/security/cve/CVE-2013-2015.html https://www.suse.com/security/cve/CVE-2013-7446.html https://www.suse.com/security/cve/CVE-2015-0272.html https://www.suse.com/security/cve/CVE-2015-3339.html https://www.suse.com/security/cve/CVE-2015-5307.html https://www.suse.com/security/cve/CVE-2015-6252.html https://www.suse.com/security/cve/CVE-2015-6937.html https://www.suse.com/security/cve/CVE-2015-7509.html https://www.suse.com/security/cve/CVE-2015-7515.html https://www.suse.com/security/cve/CVE-2015-7550.html https://www.suse.com/security/cve/CVE-2015-7566.html https://www.suse.com/security/cve/CVE-2015-7799.html https://www.suse.com/security/cve/CVE-2015-7872.html https://www.suse.com/security/cve/CVE-2015-7990.html https://www.suse.com/security/cve/CVE-2015-8104.html https://www.suse.com/security/cve/CVE-2015-8215.html https://www.suse.com/security/cve/CVE-2015-8539.html https://www.suse.com/security/cve/CVE-2015-8543.html https://www.suse.com/security/cve/CVE-2015-8569.html https://www.suse.com/security/cve/CVE-2015-8575.html https://www.suse.com/security/cve/CVE-2015-8767.html https://www.suse.com/security/cve/CVE-2015-8785.html https://www.suse.com/security/cve/CVE-2015-8812.html https://www.suse.com/security/cve/CVE-2015-8816.html https://www.suse.com/security/cve/CVE-2016-0723.html https://www.suse.com/security/cve/CVE-2016-2069.html https://www.suse.com/security/cve/CVE-2016-2143.html https://www.suse.com/security/cve/CVE-2016-2184.html https://www.suse.com/security/cve/CVE-2016-2185.html https://www.suse.com/security/cve/CVE-2016-2186.html https://www.suse.com/security/cve/CVE-2016-2188.html https://www.suse.com/security/cve/CVE-2016-2384.html https://www.suse.com/security/cve/CVE-2016-2543.html https://www.suse.com/security/cve/CVE-2016-2544.html https://www.suse.com/security/cve/CVE-2016-2545.html https://www.suse.com/security/cve/CVE-2016-2546.html https://www.suse.com/security/cve/CVE-2016-2547.html https://www.suse.com/security/cve/CVE-2016-2548.html https://www.suse.com/security/cve/CVE-2016-2549.html https://www.suse.com/security/cve/CVE-2016-2782.html https://www.suse.com/security/cve/CVE-2016-2847.html https://www.suse.com/security/cve/CVE-2016-3134.html https://www.suse.com/security/cve/CVE-2016-3137.html https://www.suse.com/security/cve/CVE-2016-3138.html https://www.suse.com/security/cve/CVE-2016-3139.html https://www.suse.com/security/cve/CVE-2016-3140.html https://www.suse.com/security/cve/CVE-2016-3156.html https://www.suse.com/security/cve/CVE-2016-4486.html https://bugzilla.suse.com/816446 https://bugzilla.suse.com/861093 https://bugzilla.suse.com/928130 https://bugzilla.suse.com/935757 https://bugzilla.suse.com/939826 https://bugzilla.suse.com/942367 https://bugzilla.suse.com/945825 https://bugzilla.suse.com/946117 https://bugzilla.suse.com/946309 https://bugzilla.suse.com/948562 https://bugzilla.suse.com/949744 https://bugzilla.suse.com/949936 https://bugzilla.suse.com/951440 https://bugzilla.suse.com/952384 https://bugzilla.suse.com/953527 https://bugzilla.suse.com/954404 https://bugzilla.suse.com/955354 https://bugzilla.suse.com/955654 https://bugzilla.suse.com/956708 https://bugzilla.suse.com/956709 https://bugzilla.suse.com/958463 https://bugzilla.suse.com/958886 https://bugzilla.suse.com/958951 https://bugzilla.suse.com/959190 https://bugzilla.suse.com/959399 https://bugzilla.suse.com/961500 https://bugzilla.suse.com/961509 https://bugzilla.suse.com/961512 https://bugzilla.suse.com/963765 https://bugzilla.suse.com/963767 https://bugzilla.suse.com/964201 https://bugzilla.suse.com/966437 https://bugzilla.suse.com/966460 https://bugzilla.suse.com/966662 https://bugzilla.suse.com/966693 https://bugzilla.suse.com/967972 https://bugzilla.suse.com/967973 https://bugzilla.suse.com/967974 https://bugzilla.suse.com/967975 https://bugzilla.suse.com/968010 https://bugzilla.suse.com/968011 https://bugzilla.suse.com/968012 https://bugzilla.suse.com/968013 https://bugzilla.suse.com/968670 https://bugzilla.suse.com/970504 https://bugzilla.suse.com/970892 https://bugzilla.suse.com/970909 https://bugzilla.suse.com/970911 https://bugzilla.suse.com/970948 https://bugzilla.suse.com/970956 https://bugzilla.suse.com/970958 https://bugzilla.suse.com/970970 https://bugzilla.suse.com/971124 https://bugzilla.suse.com/971125 https://bugzilla.suse.com/971126 https://bugzilla.suse.com/971360 https://bugzilla.suse.com/972510 https://bugzilla.suse.com/973570 https://bugzilla.suse.com/975945 https://bugzilla.suse.com/977847 https://bugzilla.suse.com/978822 -- To unsubscribe, e-mail: opensuse-security-announce+unsubscribe@opensuse.org For additional commands, e-mail: opensuse-security-announce+help@opensuse.org