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Sigurnosni nedostaci programskog paketa Linux Kernel

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SUSE Security Update: Security update for the Linux Kernel
______________________________________________________________________________

Announcement ID: SUSE-SU-2016:3069-1
Rating: important
References: #1000189 #1001419 #1002165 #1004418 #732582
#839104 #843236 #909994 #911687 #915183 #920016
#934760 #951392 #956514 #960689 #963655 #971975
#971989 #974620 #976867 #977687 #979514 #979595
#979681 #980371 #982218 #982783 #983535 #983619
#984102 #984194 #984992 #985206 #986362 #986365
#986445 #987565 #988440 #989152 #989261 #989779
#991608 #991665 #991923 #992566 #993127 #993890
#993891 #994296 #994436 #994618 #994759 #994926
#996329 #996664 #997708 #998399 #999584 #999600
#999932
Cross-References: CVE-2013-4312 CVE-2015-7513 CVE-2016-0823
CVE-2016-3841 CVE-2016-4997 CVE-2016-4998
CVE-2016-5195 CVE-2016-5696 CVE-2016-6480
CVE-2016-6828 CVE-2016-7425
Affected Products:
SUSE Linux Enterprise Real Time Extension 11-SP4
SUSE Linux Enterprise Debuginfo 11-SP4
______________________________________________________________________________

An update that solves 11 vulnerabilities and has 49 fixes
is now available.

Description:

The SUSE Linux Enterprise 11 SP4 RT kernel was updated to receive various
security and bugfixes.

This feature was added:

– Support for the 2017 Intel Purley platform.

The following security bugs were fixed:

– CVE-2016-5195: A local privilege escalation using MAP_PRIVATE was fixed,
which is reportedly exploited in the wild (bsc#1004418).
– CVE-2016-0823: The pagemap_open function in fs/proc/task_mmu.c in the
Linux kernel allowed local users to obtain sensitive physical-address
information by reading a pagemap file, aka Android internal bug 25739721
(bnc#994759).
– CVE-2016-3841: The IPv6 stack in the Linux kernel mishandled options
data, which allowed local users to gain privileges or cause a denial of
service (use-after-free and system crash) via a crafted sendmsg system
call (bnc#992566).
– CVE-2016-6828: Use after free in tcp_xmit_retransmit_queue or other tcp_
functions (bsc#994296)
– CVE-2016-5696: net/ipv4/tcp_input.c in the Linux kernel did not properly
determine the rate of challenge ACK segments, which made it easier for
man-in-the-middle attackers to hijack TCP sessions via a blind in-window
attack (bnc#989152)
– CVE-2016-6480: Race condition in the ioctl_send_fib function in
drivers/scsi/aacraid/commctrl.c in the Linux kernel allowed local users
to cause a denial of service (out-of-bounds access or system crash) by
changing a certain size value, aka a “double fetch” vulnerability
(bnc#991608)
– CVE-2016-4997: The compat IPT_SO_SET_REPLACE and IP6T_SO_SET_REPLACE
setsockopt implementations in the netfilter subsystem in the Linux
kernel allowed local users to gain privileges or cause a denial of
service (memory corruption) by leveraging in-container root access to
provide a crafted offset value that triggers an unintended decrement
(bnc#986362).
– CVE-2015-7513: arch/x86/kvm/x86.c in the Linux kernel did not reset the
PIT counter values during state restoration, which allowed guest OS
users to cause a denial of service (divide-by-zero error and host OS
crash) via a zero value, related to the kvm_vm_ioctl_set_pit and
kvm_vm_ioctl_set_pit2 functions (bnc#960689).
– CVE-2013-4312: The Linux kernel allowed local users to bypass
file-descriptor limits and cause a denial of service (memory
consumption) by sending each descriptor over a UNIX socket closing it,
related to net/unix/af_unix.c and net/unix/garbage.c (bnc#839104).
– CVE-2016-7425: A buffer overflow in the Linux Kernel in
arcmsr_iop_message_xfer() could have caused kernel heap corruption and
arbitraty kernel code execution (bsc#999932)

The following non-security bugs were fixed:

– ahci: Order SATA device IDs for codename Lewisburg.
– AHCI: Remove obsolete Intel Lewisburg SATA RAID device IDs.
– ALSA: hda – Add Intel Lewisburg device IDs Audio.
– avoid dentry crash triggered by NFS (bsc#984194).
– blktap2: eliminate deadlock potential from shutdown path (bsc#909994).
– blktap2: eliminate race from deferred work queue handling (bsc#911687).
– bonding: always set recv_probe to bond_arp_rcv in arp monitor
(bsc#977687).
– bonding: fix bond_arp_rcv setting and arp validate desync state
(bsc#977687).
– btrfs: account for non-CoW’d blocks in btrfs_abort_transaction
(bsc#983619).
– btrfs: ensure that file descriptor used with subvol ioctls is a dir
(bsc#999600).
– cdc-acm: added sanity checking for probe() (bsc#993891).
– cxgb4: Set VPD size so we can read both VPD structures (bsc#976867).
– Delete patches.fixes/net-fix-crash-due-to-wrong-dev-in-calling.patch.
(bsc#979514)
– fs/cifs: fix wrongly prefixed path to root (bsc#963655, bsc#979681)
– fs/select: add vmalloc fallback for select(2) (bsc#1000189).
– fs/select: introduce SIZE_MAX (bsc#1000189).
– i2c: i801: add Intel Lewisburg device IDs.
– include/linux/mmdebug.h: should include linux/bug.h (bnc#971975 VM
performance — git fixes).
– increase CONFIG_NR_IRQS 512 -> 2048 reportedly irq error with multiple
nvme and tg3 in the same machine is resolved by increasing
CONFIG_NR_IRQS (bsc#998399)
– kabi, unix: properly account for FDs passed over unix sockets
(bnc#839104).
– kaweth: fix firmware download (bsc#993890).
– kaweth: fix oops upon failed memory allocation (bsc#993890).
– KVM: x86: SYSENTER emulation is broken (bsc#994618).
– libfc: sanity check cpu number extracted from xid (bsc#988440).
– lpfc: call lpfc_sli_validate_fcp_iocb() with the hbalock held
(bsc#951392).
– md: lockless I/O submission for RAID1 (bsc#982783).
– mm: thp: fix SMP race condition between THP page fault and MADV_DONTNEED
(VM Functionality, bnc#986445).
– mpt2sas, mpt3sas: Fix panic when aer correct error occurred (bsc#997708).
– net: add pfmemalloc check in sk_add_backlog() (bnc#920016).
– netback: fix flipping mode (bsc#996664).
– nfs: Do not drop directory dentry which is in use (bsc#993127).
– nfs: Don’t disconnect open-owner on NFS4ERR_BAD_SEQID (bsc#989261).
– nfs: Don’t write enable new pages while an invalidation is proceeding
(bsc#999584).
– nfs: Fix a regression in the read() syscall (bsc#999584).
– nfs: Fix races in nfs_revalidate_mapping (bsc#999584).
– nfs: fix the handling of NFS_INO_INVALID_DATA flag in
nfs_revalidate_mapping (bsc#999584).
– nfs: Fix writeback performance issue on cache invalidation (bsc#999584).
– nfs: Refresh open-owner id when server says SEQID is bad (bsc#989261).
– nfsv4: do not check MAY_WRITE access bit in OPEN (bsc#985206).
– nfsv4: fix broken patch relating to v4 read delegations (bsc#956514,
bsc#989261, bsc#979595).
– nfsv4: Fix range checking in __nfs4_get_acl_uncached and
__nfs4_proc_set_acl (bsc#982218).
– pci: Add pci_set_vpd_size() to set VPD size (bsc#976867).
– pciback: fix conf_space read/write overlap check.
– powerpc: add kernel parameter iommu_alloc_quiet (bsc#994926).
– ppp: defer netns reference release for ppp channel (bsc#980371).
– random32: add prandom_u32_max (bsc#989152).
– rpm/constraints.in: Bump x86 disk space requirement to 20GB Clamav tends
to run out of space nowadays.
– s390/dasd: fix hanging device after clear subchannel (bnc#994436).
– sata: Adding Intel Lewisburg device IDs for SATA.
– sched/core: Fix an SMP ordering race in try_to_wake_up() vs. schedule()
(bnc#1001419).
– sched/core: Fix a race between try_to_wake_up() and a woken up task
(bnc#1002165).
– sched: Fix possible divide by zero in avg_atom() calculation
(bsc#996329).
– scsi_dh_rdac: retry inquiry for UNIT ATTENTION (bsc#934760).
– scsi: do not print “reservation conflict” for TEST UNIT READY
(bsc#984102).
– scsi: ibmvfc: add FC Class 3 Error Recovery support (bsc#984992).
– scsi: ibmvfc: Fix I/O hang when port is not mapped (bsc#971989)
– scsi: ibmvfc: Set READ FCP_XFER_READY DISABLED bit in PRLI (bsc#984992).
– scsi_scan: Send TEST UNIT READY to LUN0 before LUN scanning
(bnc#843236,bsc#989779).
– tmpfs: change final i_blocks BUG to WARNING (bsc#991923).
– Update
patches.drivers/fcoe-0102-fcoe-ensure-that-skb-placed-on-the-fip_recv_list-
are.patch (add bsc#732582 reference).
– USB: fix typo in wMaxPacketSize validation (bsc#991665).
– USB: validate wMaxPacketValue entries in endpoint descriptors
(bnc#991665).
– vlan: don’t deliver frames for unknown vlans to protocols (bsc#979514).
– vlan: mask vlan prio bits (bsc#979514).
– xenbus: inspect the correct type in xenbus_dev_request_and_reply().
– xen: x86/mm/pat, /dev/mem: Remove superfluous error message (bsc#974620).
– xfs: Avoid grabbing ilock when file size is not changed (bsc#983535).
– xfs: Silence warnings in xfs_vm_releasepage() (bnc#915183 bsc#987565).

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 Real Time Extension 11-SP4:

zypper in -t patch slertesp4-kernel-source-12880=1

– SUSE Linux Enterprise Debuginfo 11-SP4:

zypper in -t patch dbgsp4-kernel-source-12880=1

To bring your system up-to-date, use “zypper patch”.

Package List:

– SUSE Linux Enterprise Real Time Extension 11-SP4 (x86_64):

kernel-rt-3.0.101.rt130-65.1
kernel-rt-base-3.0.101.rt130-65.1
kernel-rt-devel-3.0.101.rt130-65.1
kernel-rt_trace-3.0.101.rt130-65.1
kernel-rt_trace-base-3.0.101.rt130-65.1
kernel-rt_trace-devel-3.0.101.rt130-65.1
kernel-source-rt-3.0.101.rt130-65.1
kernel-syms-rt-3.0.101.rt130-65.1

– SUSE Linux Enterprise Debuginfo 11-SP4 (x86_64):

kernel-rt-debuginfo-3.0.101.rt130-65.1
kernel-rt-debugsource-3.0.101.rt130-65.1
kernel-rt_debug-debuginfo-3.0.101.rt130-65.1
kernel-rt_debug-debugsource-3.0.101.rt130-65.1
kernel-rt_trace-debuginfo-3.0.101.rt130-65.1
kernel-rt_trace-debugsource-3.0.101.rt130-65.1

References:

https://www.suse.com/security/cve/CVE-2013-4312.html
https://www.suse.com/security/cve/CVE-2015-7513.html
https://www.suse.com/security/cve/CVE-2016-0823.html
https://www.suse.com/security/cve/CVE-2016-3841.html
https://www.suse.com/security/cve/CVE-2016-4997.html
https://www.suse.com/security/cve/CVE-2016-4998.html
https://www.suse.com/security/cve/CVE-2016-5195.html
https://www.suse.com/security/cve/CVE-2016-5696.html
https://www.suse.com/security/cve/CVE-2016-6480.html
https://www.suse.com/security/cve/CVE-2016-6828.html
https://www.suse.com/security/cve/CVE-2016-7425.html
https://bugzilla.suse.com/1000189
https://bugzilla.suse.com/1001419
https://bugzilla.suse.com/1002165
https://bugzilla.suse.com/1004418
https://bugzilla.suse.com/732582
https://bugzilla.suse.com/839104
https://bugzilla.suse.com/843236
https://bugzilla.suse.com/909994
https://bugzilla.suse.com/911687
https://bugzilla.suse.com/915183
https://bugzilla.suse.com/920016
https://bugzilla.suse.com/934760
https://bugzilla.suse.com/951392
https://bugzilla.suse.com/956514
https://bugzilla.suse.com/960689
https://bugzilla.suse.com/963655
https://bugzilla.suse.com/971975
https://bugzilla.suse.com/971989
https://bugzilla.suse.com/974620
https://bugzilla.suse.com/976867
https://bugzilla.suse.com/977687
https://bugzilla.suse.com/979514
https://bugzilla.suse.com/979595
https://bugzilla.suse.com/979681
https://bugzilla.suse.com/980371
https://bugzilla.suse.com/982218
https://bugzilla.suse.com/982783
https://bugzilla.suse.com/983535
https://bugzilla.suse.com/983619
https://bugzilla.suse.com/984102
https://bugzilla.suse.com/984194
https://bugzilla.suse.com/984992
https://bugzilla.suse.com/985206
https://bugzilla.suse.com/986362
https://bugzilla.suse.com/986365
https://bugzilla.suse.com/986445
https://bugzilla.suse.com/987565
https://bugzilla.suse.com/988440
https://bugzilla.suse.com/989152
https://bugzilla.suse.com/989261
https://bugzilla.suse.com/989779
https://bugzilla.suse.com/991608
https://bugzilla.suse.com/991665
https://bugzilla.suse.com/991923
https://bugzilla.suse.com/992566
https://bugzilla.suse.com/993127
https://bugzilla.suse.com/993890
https://bugzilla.suse.com/993891
https://bugzilla.suse.com/994296
https://bugzilla.suse.com/994436
https://bugzilla.suse.com/994618
https://bugzilla.suse.com/994759
https://bugzilla.suse.com/994926
https://bugzilla.suse.com/996329
https://bugzilla.suse.com/996664
https://bugzilla.suse.com/997708
https://bugzilla.suse.com/998399
https://bugzilla.suse.com/999584
https://bugzilla.suse.com/999600
https://bugzilla.suse.com/999932

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