SUSE-SU-2015:0658-1

SUSE-SU-2015:0658-1 · Security Update for Linux Kernel

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The SUSE Linux Enterprise Server 12 kernel was updated to 3.12.39 to receive various security and bugfixes. Following security bugs were fixed: - CVE-2015-0777: The XEN usb backend could leak information to the guest system due to copying uninitialized memory. - CVE-2015-2150: Xen and the Linux kernel did not properly restrict access to PCI command registers, which might have allowed local guest users to cause a denial of service (non-maskable interrupt and host crash) by disabling the (1) memory or (2) I/O decoding for a PCI Express device and then accessing the device, which triggers an Unsupported Request (UR) response. The following non-security bugs were fixed: - Added Little Endian support to vtpm module (bsc#918620). - Add support for pnfs block layout. Patches not included by default yet - ALSA: hda - Fix regression of HD-audio controller fallback modes (bsc#921313). - btrfs: add missing blk_finish_plug in btrfs_sync_log() (bnc#922284). - btrfs: cleanup orphans while looking up default subvolume (bsc#914818). - btrfs: do not ignore errors from btrfs_lookup_xattr in do_setxattr (bnc#922272). - btrfs: fix BUG_ON in btrfs_orphan_add() when delete unused block group (bnc#922278). - btrfs: fix data loss in the fast fsync path (bnc#922275). - btrfs: fix fsync data loss after adding hard link to inode (bnc#922275). - cgroup: revert cgroup_mutex removal from idr_remove (bnc#918644). - cifs: fix use-after-free bug in find_writable_file (bnc#909477). - crypto: rng - RNGs must return 0 in success case (bsc#920805). - crypto: testmgr - fix RNG return code enforcement (bsc#920805). - exit: Always reap resource stats in __exit_signal() (Time scalability). - fork: report pid reservation failure properly (bnc#909684). - fsnotify: Fix handling of renames in audit (bnc#915200). - HID: hyperv: match wait_for_completion_timeout return type. - hv: address compiler warnings for hv_fcopy_daemon.c. - hv: address compiler warnings for hv_kvp_daemon.c. - hv: check vmbus_device_create() return value in vmbus_process_offer(). - hv: do not add redundant / in hv_start_fcopy(). - hv: hv_balloon: Do not post pressure status from interrupt context. - hv: hv_balloon: Fix a locking bug in the balloon driver. - hv: hv_balloon: Make adjustments in computing the floor. - hv: hv_fcopy: drop the obsolete message on transfer failure. - hv: kvp_daemon: make IPv6-only-injection work. - hv: remove unused bytes_written from kvp_update_file(). - hv: rename sc_lock to the more generic lock. - hv: vmbus: Fix a bug in vmbus_establish_gpadl(). - hv: vmbus: hv_process_timer_expiration() can be static. - hv: vmbus: Implement a clockevent device. - hv: vmbus: serialize Offer and Rescind offer. - hv: vmbus: Support a vmbus API for efficiently sending page arrays. - hv: vmbus: Use get_cpu() to get the current CPU. - hyperv: fix sparse warnings. - hyperv: Fix the error processing in netvsc_send(). - hyperv: match wait_for_completion_timeout return type. - hyperv: netvsc.c: match wait_for_completion_timeout return type. - iommu/vt-d: Fix dmar_domain leak in iommu_attach_device (bsc#924460). - kabi, mm: prevent endless growth of anon_vma hierarchy (bnc#904242). - kABI: protect linux/namei.h include in procfs. - kABI: protect struct hif_scatter_req. - kabi/severities: Stop maintaining the kgraft kabi - kernel/sched/clock.c: add another clock for use with the soft lockup watchdog (bsc#919939). - kgr: Allow patches to require an exact kernel version (bnc#920615). - KVM: PPC: Book3S HV: ptes are big endian (bsc#920839). - mm: convert the rest to new page table lock api (the suse-only cases) (fate#315482). - mm: fix anon_vma->degree underflow in anon_vma endless growing prevention (bnc#904242). - mm: fix corner case in anon_vma endless growing prevention (bnc#904242). - mm: prevent endless growth of anon_vma hierarchy (bnc#904242). - mm: prevent endless growth of anon_vma hierarchy mm: prevent endless growth of anon_vma hierarchy (bnc#904242). - mm: vmscan: count only dirty pages as congested (VM Performance, bnc#910517). - module: Clean up ro/nx after early module load failures (bsc#921990). - module: set nx before marking module MODULE_STATE_COMING (bsc#921990). - net: add sysfs helpers for netdev_adjacent logic (bnc#915660). - net: correct error path in rtnl_newlink() (bnc#915660). - net: fix creation adjacent device symlinks (bnc#915660). - net: prevent of emerging cross-namespace symlinks (bnc#915660). - net: rename sysfs symlinks on device name change (bnc#915660). - nfs: cap request size to fit a kmalloced page array (bnc#898675). - nfs: commit layouts in fdatasync (bnc#898675). - NFSv4.1: Do not trust attributes if a pNFS LAYOUTCOMMIT is outstanding (bnc#898675). - NFSv4.1: Ensure that the layout recall callback matches layout stateids (bnc#898675). - NFSv4.1: Ensure that we free existing layout segments if we get a new layout (bnc#898675). - NFSv4.1: Fix a race in nfs4_write_inode (bnc#898675). - NFSv4.1: Fix wraparound issues in pnfs_seqid_is_newer() (bnc#898675). - NFSv4.1: Minor optimisation in get_layout_by_fh_locked() (bnc#898675). - NFSv4: Do not update the open stateid unless it is newer than the old one (bnc#898675). - pnfs: add a common GETDEVICELIST implementation (bnc#898675). - pnfs: add a nfs4_get_deviceid helper (bnc#898675). - pnfs: add flag to force read-modify-write in ->write_begin (bnc#898675). - pnfs: add return_range method (bnc#898675). - pnfs: allow splicing pre-encoded pages into the layoutcommit args (bnc#898675). - pnfs: avoid using stale stateids after layoutreturn (bnc#898675). - pnfs/blocklayout: allocate separate pages for the layoutcommit payload (bnc#898675). - pnfs/blocklayout: correctly decrement extent length (bnc#898675). - pnfs/blocklayout: do not set pages uptodate (bnc#898675). - pnfs/blocklayout: Fix a 64-bit division/remainder issue in bl_map_stripe (bnc#898675). - pnfs/blocklayout: implement the return_range method (bnc#898675). - pnfs/blocklayout: improve GETDEVICEINFO error reporting (bnc#898675). - pnfs/blocklayout: include vmalloc.h for __vmalloc (bnc#898675). - pnfs/blocklayout: in-kernel GETDEVICEINFO XDR parsing (bnc#898675). - pnfs/blocklayout: move all rpc_pipefs related code into a single file (bnc#898675). - pnfs/blocklayout: move extent processing to blocklayout.c (bnc#898675). - pnfs/blocklayout: plug block queues (bnc#898675). - pnfs/blocklayout: refactor extent processing (bnc#898675). - pnfs/blocklayout: reject pnfs blocksize larger than page size (bnc#898675). - pNFS/blocklayout: Remove a couple of unused variables (bnc#898675). - pnfs/blocklayout: remove read-modify-write handling in bl_write_pagelist (bnc#898675). - pnfs/blocklayout: remove some debugging (bnc#898675). - pnfs/blocklayout: return layouts on setattr (bnc#898675). - pnfs/blocklayout: rewrite extent tracking (bnc#898675). - pnfs/blocklayout: use the device id cache (bnc#898675). - pnfs: do not check sequence on new stateids in layoutget (bnc#898675). - pnfs: do not pass uninitialized lsegs to ->free_lseg (bnc#898675). - pnfs: enable CB_NOTIFY_DEVICEID support (bnc#898675). - pnfs: factor GETDEVICEINFO implementations (bnc#898675). - pnfs: force a layout commit when encountering busy segments during recall (bnc#898675). - pnfs: remove GETDEVICELIST implementation (bnc#898675). - pnfs: retry after a bad stateid error from layoutget (bnc#898675). - powerpc: add running_clock for powerpc to prevent spurious softlockup warnings (bsc#919939). - powerpc/pseries: Fix endian problems with LE migration (bsc#918584). - remove cgroup_mutex around deactivate_super because it might be dangerous. - rtmutex: Document pi chain walk (mutex scalability). - rtmutex: No need to keep task ref for lock owner check (mutex scalability). - rtmutex: Simplify rtmutex_slowtrylock() (mutex scalability). - rtnetlink: fix a memory leak when ->newlink fails (bnc#915660). - sched: Change thread_group_cputime() to use for_each_thread() (Time scalability). - sched: replace INIT

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Publication

2015-03-26T17:36:44Z

Mise à jour

2026-02-04T03:16:12.384900Z

Pile logicielle: system

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