SUSE-SU-2015:2292-1

SUSE-SU-2015:2292-1 · Security update for the Linux Kernel

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The SUSE Linux Enterprise 12 SP1 kernel was updated to 3.12.51 to receive various security and bugfixes. Following features were added: - hwrng: Add a driver for the hwrng found in power7+ systems (fate#315784). Following security bugs were fixed: - 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. (bsc#955354) - CVE-2015-5156: The virtnet_probe function in drivers/net/virtio_net.c in the Linux kernel attempted to support a FRAGLIST feature without proper memory allocation, which allowed guest OS users to cause a denial of service (buffer overflow and memory corruption) via a crafted sequence of fragmented packets (bnc#940776). - 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-2015-7799: 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-2015-2925: The prepend_path function in fs/dcache.c in the Linux kernel did not properly handle rename actions inside a bind mount, which allowed local users to bypass an intended container protection mechanism by renaming a directory, related to a 'double-chroot attack (bnc#926238). - CVE-2015-7990: RDS: Verify the underlying transport exists before creating a connection, preventing possible DoS (bsc#952384). The following non-security bugs were fixed: - af_iucv: avoid path quiesce of severed path in shutdown() (bnc#954986, LTC#131684). - alsa: hda - Disable 64bit address for Creative HDA controllers (bnc#814440). - alsa: hda - Fix noise problems on Thinkpad T440s (boo#958504). - alsa: hda - Fix noise problems on Thinkpad T440s (boo#958504). - apparmor: allow SYS_CAP_RESOURCE to be sufficient to prlimit another task (bsc#921949). - audit: correctly record file names with different path name types (bsc#950013). - audit: create private file name copies when auditing inodes (bsc#950013). - bcache: Add btree_insert_node() (bnc#951638). - bcache: Add explicit keylist arg to btree_insert() (bnc#951638). - bcache: backing device set to clean after finishing detach (bsc#951638). - bcache: backing device set to clean after finishing detach (bsc#951638). - bcache: Clean up keylist code (bnc#951638). - bcache: Convert btree_insert_check_key() to btree_insert_node() (bnc#951638). - bcache: Convert bucket_wait to wait_queue_head_t (bnc#951638). - bcache: Convert try_wait to wait_queue_head_t (bnc#951638). - bcache: Explicitly track btree node's parent (bnc#951638). - bcache: Fix a bug when detaching (bsc#951638). - bcache: Fix a lockdep splat in an error path (bnc#951638). - bcache: Fix a shutdown bug (bsc#951638). - bcache: Fix more early shutdown bugs (bsc#951638). - bcache: Fix sysfs splat on shutdown with flash only devs (bsc#951638). - bcache: Insert multiple keys at a time (bnc#951638). - bcache: kill closure locking usage (bnc#951638). - bcache: Refactor journalling flow control (bnc#951638). - bcache: Refactor request_write() (bnc#951638). - bcache: Use blkdev_issue_discard() (bnc#951638). - btrfs: Adjust commit-transaction condition to avoid NO_SPACE more (bsc#958647). - btrfs: Adjust commit-transaction condition to avoid NO_SPACE more (bsc#958647). - btrfs: cleanup: remove no-used alloc_chunk in btrfs_check_data_free_space() (bsc#958647). - btrfs: cleanup: remove no-used alloc_chunk in btrfs_check_data_free_space() (bsc#958647). - btrfs: fix condition of commit transaction (bsc#958647). - btrfs: fix condition of commit transaction (bsc#958647). - btrfs: fix file corruption and data loss after cloning inline extents (bnc#956053). - btrfs: Fix out-of-space bug (bsc#958647). - btrfs: Fix out-of-space bug (bsc#958647). - btrfs: Fix tail space processing in find_free_dev_extent() (bsc#958647). - btrfs: Fix tail space processing in find_free_dev_extent() (bsc#958647). - btrfs: fix the number of transaction units needed to remove a block group (bsc#958647). - btrfs: fix the number of transaction units needed to remove a block group (bsc#958647). - btrfs: fix truncation of compressed and inlined extents (bnc#956053). - btrfs: Set relative data on clear btrfs_block_group_cache->pinned (bsc#958647). - btrfs: Set relative data on clear btrfs_block_group_cache->pinned (bsc#958647). - btrfs: use global reserve when deleting unused block group after ENOSPC (bsc#958647). - btrfs: use global reserve when deleting unused block group after ENOSPC (bsc#958647). - cache: Fix sysfs splat on shutdown with flash only devs (bsc#951638). - cpu: Defer smpboot kthread unparking until CPU known to scheduler (bsc#936773). - cpusets, isolcpus: exclude isolcpus from load balancing in cpusets (bsc#957395). - cxgb4i: Increased the value of MAX_IMM_TX_PKT_LEN from 128 to 256 bytes (bsc#950580). - dlm: make posix locks interruptible, (bsc#947241). - dmapi: Fix xfs dmapi to not unlock & lock XFS_ILOCK_EXCL (bsc#949744). - dm: do not start current request if it would've merged with the previous (bsc#904348). - dm: impose configurable deadline for dm_request_fn's merge heuristic (bsc#904348). - dm-snap: avoid deadock on s->lock when a read is split (bsc#939826). - dm sysfs: introduce ability to add writable attributes (bsc#904348). - drm: Allocate new master object when client becomes master (bsc#956876, bsc#956801). - drm: Fix KABI of 'struct drm_file' (bsc#956876, bsc#956801). - drm/i915: add hotplug activation period to hotplug update mask (bsc#953980). - drm/i915: clean up backlight conditional build (bsc#941113). - drm/i915: debug print on backlight register (bsc#941113). - drm/i915: do full backlight setup at enable time (bsc#941113). - drm/i915: do not save/restore backlight registers in KMS (bsc#941113). - drm/i915: Eliminate lots of WARNs when there's no backlight present (bsc#941113). - drm/i915: fix gen2-gen3 backlight set (bsc#941113,bsc#953971). - drm/i915: Fix gen3 self-refresh watermarks (bsc#953830,bsc#953971). - drm/i915: Fix missing backlight update during panel disablement (bsc#941113). - drm/i915: Fix SRC_COPY width on 830/845g (bsc#758040). - drm/i915: gather backlight information at setup (bsc#941113). - drm/i915: handle backlight through chip specific functions (bsc#941113). - drm/i915: Ignore 'digital output' and 'not HDMI output' bits for eDP detection (bsc#949192). - drm/i915: make asle notifications update backlight on all connectors (bsc#941113). - drm/i915: make backlight info per-connector (bsc#941113). - drm/i915: move backlight level setting in enable/disable to hooks (bsc#941113). - drm/i915: move opregion asle request handling to a work queue (bsc#953826). - drm/i915: nuke get max backlight functions (bsc#941113). - drm/i915/opregion: fix build error on CONFIG_ACPI=n (bsc#953826). - drm/i915: restore backlight precision when converting from ACPI (bsc#941113). - drm/i915/tv: add ->get_config callback (bsc#953830). - drm/i915: use backlight legacy combination mode also for i915gm/i945gm (bsc#941113). - drm/i915: use the initialized backlight max value instead of reading it (bsc#941113). - drm/i915: vlv does not have pipe field in backlight registers (bsc#941113). - fanotify: fix notification of groups with inode & mount marks (bsc#955533). - Fix remove_and_add_spares removes drive added as spare in slot_store (bsc#956717). - genksyms: Handle string literals with spaces in reference files (bsc#958510). - ge

Corrección disponible

Publicación

2015-12-17T12:08:13Z

Actualización

2026-02-04T02:21:25.401597Z

Pila tecnológica: system

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