SUSE Security Update: Security update for the Linux Kernel
______________________________________________________________________________

Announcement ID:    SUSE-SU-2020:3273-1
Rating:             important
References:         #1065600 #1066382 #1149032 #1163592 #1164648 
                    #1170415 #1175749 #1176354 #1177281 #1177766 
                    #1177799 #1177801 #1178166 #1178173 #1178175 
                    #1178176 #1178177 #1178183 #1178184 #1178185 
                    #1178186 #1178190 #1178191 #1178255 #1178307 
                    #1178330 #1178395 
Cross-References:   CVE-2020-25656 CVE-2020-8694
Affected Products:
                    SUSE Linux Enterprise Module for Live Patching 15-SP2
______________________________________________________________________________

   An update that solves two vulnerabilities and has 25 fixes
   is now available.

Description:


   The SUSE Linux Enterprise 15 SP2 kernel was updated to receive various
   security and bug fixes.


   The following security bugs were fixed:

   - CVE-2020-25656: Fixed a concurrency use-after-free in vt_do_kdgkb_ioctl
     (bnc#1177766).
   - CVE-2020-8694: Restricted energy meter to root access (bsc#1170415).

   The following non-security bugs were fixed:

   - act_ife: load meta modules before tcf_idr_check_alloc()
     (networking-stable-20_09_24).
   - ath10k: check idx validity in __ath10k_htt_rx_ring_fill_n() (git-fixes).
   - ath9k: hif_usb: fix race condition between usb_get_urb() and
     usb_kill_anchored_urbs() (git-fixes).
   - block: Set same_page to false in __bio_try_merge_page if ret is false
     (git-fixes).
   - Bluetooth: btusb: Fix memleak in btusb_mtk_submit_wmt_recv_urb
     (git-fixes).
   - Bluetooth: Only mark socket zapped after unlocking (git-fixes).
   - bnxt_en: Protect bnxt_set_eee() and bnxt_set_pauseparam() with mutex
     (git-fixes).
   - bonding: show saner speed for broadcast mode
     (networking-stable-20_08_24).
   - brcm80211: fix possible memleak in brcmf_proto_msgbuf_attach (git-fixes).
   - brcmsmac: fix memory leak in wlc_phy_attach_lcnphy (git-fixes).
   - btrfs: allocate scrub workqueues outside of locks (bsc#1178183).
   - btrfs: do not force read-only after error in drop snapshot (bsc#1176354).
   - btrfs: drop path before adding new uuid tree entry (bsc#1178176).
   - btrfs: fix filesystem corruption after a device replace (bsc#1178395).
   - btrfs: fix NULL pointer dereference after failure to create snapshot
     (bsc#1178190).
   - btrfs: fix overflow when copying corrupt csums for a message
     (bsc#1178191).
   - btrfs: fix space cache memory leak after transaction abort (bsc#1178173).
   - btrfs: move btrfs_rm_dev_replace_free_srcdev outside of all locks
     (bsc#1178395).
   - btrfs: move btrfs_scratch_superblocks into btrfs_dev_replace_finishing
     (bsc#1178395).
   - btrfs: set the correct lockdep class for new nodes (bsc#1178184).
   - btrfs: set the lockdep class for log tree extent buffers (bsc#1178186).
   - can: flexcan: flexcan_chip_stop(): add error handling and propagate
     error value (git-fixes).
   - ceph: promote to unsigned long long before shifting (bsc#1178175).
   - crypto: ccp - fix error handling (git-fixes).
   - cxgb4: fix memory leak during module unload (networking-stable-20_09_24).
   - cxgb4: Fix offset when clearing filter byte counters
     (networking-stable-20_09_24).
   - Disable ipa-clones dump for KMP builds (bsc#1178330) The feature is not
     really useful for KMP, and rather confusing, so let's disable it at
     building out-of-tree codes
   - Disable module compression on SLE15 SP2 (bsc#1178307)
   - dmaengine: dw: Activate FIFO-mode for memory peripherals only
     (git-fixes).
   - eeprom: at25: set minimum read/write access stride to 1 (git-fixes).
   - futex: Adjust absolute futex timeouts with per time namespace offset
     (bsc#1164648).
   - futex: Consistently use fshared as boolean (bsc#1149032).
   - futex: Fix incorrect should_fail_futex() handling (bsc#1149032).
   - futex: Remove put_futex_key() (bsc#1149032).
   - futex: Remove unused or redundant includes (bsc#1149032).
   - gre6: Fix reception with IP6_TNL_F_RCV_DSCP_COPY
     (networking-stable-20_08_24).
   - gtp: add GTPA_LINK info to msg sent to userspace
     (networking-stable-20_09_11).
   - HID: ite: Add USB id match for Acer One S1003 keyboard dock (git-fixes).
   - ibmveth: Identify ingress large send packets (bsc#1178185 ltc#188897).
   - ibmvnic: fix ibmvnic_set_mac (bsc#1066382 ltc#160943 git-fixes).
   - icmp: randomize the global rate limiter (git-fixes).
   - ip: fix tos reflection in ack and reset packets
     (networking-stable-20_09_24).
   - ipv4: Initialize flowi4_multipath_hash in data path
     (networking-stable-20_09_24).
   - ipv4: Restore flowi4_oif update before call to xfrm_lookup_route
     (git-fixes).
   - ipv4: Update exception handling for multipath routes via same device
     (networking-stable-20_09_24).
   - ipv6: avoid lockdep issue in fib6_del() (networking-stable-20_09_24).
   - ipv6: Fix sysctl max for fib_multipath_hash_policy
     (networking-stable-20_09_11).
   - ipvlan: fix device features (networking-stable-20_08_24).
   - kallsyms: Refactor kallsyms_show_value() to take cred (git-fixes).
   - kbuild: enforce -Werror=return-type (bsc#1177281).
   - KVM: x86/mmu: Commit zap of remaining invalid pages when recovering
     lpages (git-fixes).
   - libceph: clear con->out_msg on Policy::stateful_server faults
     (bsc#1178177).
   - mac80211: handle lack of sband->bitrates in rates (git-fixes).
   - mailbox: avoid timer start from callback (git-fixes).
   - media: ati_remote: sanity check for both endpoints (git-fixes).
   - media: bdisp: Fix runtime PM imbalance on error (git-fixes).
   - media: exynos4-is: Fix a reference count leak (git-fixes).
   - media: exynos4-is: Fix a reference count leak due to pm_runtime_get_sync
     (git-fixes).
   - media: exynos4-is: Fix several reference count leaks due to
     pm_runtime_get_sync (git-fixes).
   - media: firewire: fix memory leak (git-fixes).
   - media: i2c: ov5640: Enable data pins on poweron for DVP mode (git-fixes).
   - media: i2c: ov5640: Remain in power down for DVP mode unless streaming
     (git-fixes).
   - media: i2c: ov5640: Separate out mipi configuration from s_power
     (git-fixes).
   - media: media/pci: prevent memory leak in bttv_probe (git-fixes).
   - media: platform: s3c-camif: Fix runtime PM imbalance on error
     (git-fixes).
   - media: platform: sti: hva: Fix runtime PM imbalance on error (git-fixes).
   - media: rcar_drif: Allocate v4l2_async_subdev dynamically (git-fixes).
   - media: rcar_drif: Fix fwnode reference leak when parsing DT (git-fixes).
   - media: saa7134: avoid a shift overflow (git-fixes).
   - media: st-delta: Fix reference count leak in delta_run_work (git-fixes).
   - media: sti: Fix reference count leaks (git-fixes).
   - media: uvcvideo: Ensure all probed info is returned to v4l2 (git-fixes).
   - media: venus: core: Fix runtime PM imbalance in venus_probe (git-fixes).
   - media: vsp1: Fix runtime PM imbalance on error (git-fixes).
   - mic: vop: copy data to kernel space then write to io memory (git-fixes).
   - misc: rtsx: Fix memory leak in rtsx_pci_probe (git-fixes).
   - misc: vop: add round_up(x,4) for vring_size to avoid kernel panic
     (git-fixes).
   - mm: fix a race during THP splitting (bsc#1178255).
   - mm: madvise: fix vma user-after-free (git-fixes).
   - mmc: sdio: Check for CISTPL_VERS_1 buffer size (git-fixes).
   - module: Correctly truncate sysfs sections output (git-fixes).
   - module: Do not expose section addresses to non-CAP_SYSLOG (git-fixes).
   - module: Refactor section attr into bin attribute (git-fixes).
   - module: statically initialize init section freeing data (git-fixes).
   - mwifiex: do not call del_timer_sync() on uninitialized timer (git-fixes).
   - net/core: check length before updating Ethertype in skb_mpls_{push,pop}
     (git-fixes).
   - net/mlx5: Fix FTE cleanup (networking-stable-20_09_24).
   - net/mlx5e: Enable adding peer miss rules only if merged eswitch is
     supported (networking-stable-20_09_24).
   - net/mlx5e: TLS, Do not expose FPGA TLS counter if not supported
     (networking-stable-20_09_24).
   - net/sched: act_ct: Fix skb double-free in tcf_ct_handle_fragments()
     error flow (networking-stable-20_08_24).
   - net/smc: Prevent kernel-infoleak in __smc_diag_dump()
     (networking-stable-20_08_24).
   - net: bridge: br_vlan_get_pvid_rcu() should dereference the VLAN group
     under RCU (networking-stable-20_09_24).
   - net: DCB: Validate DCB_ATTR_DCB_BUFFER argument
     (networking-stable-20_09_24).
   - net: disable netpoll on fresh napis (networking-stable-20_09_11).
   - net: dsa: b53: check for timeout (networking-stable-20_08_24).
   - net: dsa: rtl8366: Properly clear member config
     (networking-stable-20_09_24).
   - net: fec: correct the error path for regulator disable in probe
     (networking-stable-20_08_24).
   - net: Fix bridge enslavement failure (networking-stable-20_09_24).
   - net: Fix potential wrong skb->protocol in skb_vlan_untag()
     (networking-stable-20_08_24).
   - net: hns: Fix memleak in hns_nic_dev_probe (networking-stable-20_09_11).
   - net: ipv6: fix kconfig dependency warning for IPV6_SEG6_HMAC
     (networking-stable-20_09_24).
   - net: lantiq: Disable IRQs only if NAPI gets scheduled
     (networking-stable-20_09_24).
   - net: lantiq: Use napi_complete_done() (networking-stable-20_09_24).
   - net: lantiq: use netif_tx_napi_add() for TX NAPI
     (networking-stable-20_09_24).
   - net: lantiq: Wake TX queue again (networking-stable-20_09_24).
   - net: phy: Avoid NPD upon phy_detach() when driver is unbound
     (networking-stable-20_09_24).
   - net: phy: Do not warn in phy_stop() on PHY_DOWN
     (networking-stable-20_09_24).
   - net: qrtr: fix usage of idr in port assignment to socket
     (networking-stable-20_08_24).
   - net: sctp: Fix IPv6 ancestor_size calc in sctp_copy_descendant
     (networking-stable-20_09_24).
   - net: sctp: Fix negotiation of the number of data streams
     (networking-stable-20_08_24).
   - net: systemport: Fix memleak in bcm_sysport_probe
     (networking-stable-20_09_11).
   - net: usb: dm9601: Add USB ID of Keenetic Plus DSL
     (networking-stable-20_09_11).
   - net: usb: qmi_wwan: add Cellient MPL200 card (git-fixes).
   - net: usb: rtl8150: set random MAC address when set_ethernet_addr() fails
     (git-fixes).
   - netlabel: fix problems with mapping removal (networking-stable-20_09_11).
   - nfp: use correct define to return NONE fec (networking-stable-20_09_24).
   - PM: hibernate: remove the bogus call to get_gendisk() in
     software_resume() (git-fixes).
   - r8169: fix issue with forced threading in combination with shared
     interrupts (git-fixes).
   - rpm/kernel-binary.spec.in: Fix compressed module handling for in-tree
     KMP (jsc#SLE-10886) The in-tree KMP that is built with SLE kernels have
     a different scriptlet that is embedded in kernel-binary.spec.in rather
     than *.sh files.
   - rpm/kernel-module-subpackage: make Group tag optional (bsc#1163592)
   - rtl8xxxu: prevent potential memory leak (git-fixes).
   - rtw88: increse the size of rx buffer size (git-fixes).
   - s390/cio: add cond_resched() in the slow_eval_known_fn() loop
     (bsc#1177799 LTC#188733).
   - s390/dasd: Fix zero write for FBA devices (bsc#1177801 LTC#188735).
   - scsi: ibmvscsi: Fix potential race after loss of transport (bsc#1178166
     ltc#188226).
   - sctp: not disable bh in the whole sctp_get_port_local()
     (networking-stable-20_09_11).
   - selftests/timers: Turn off timeout setting (git-fixes).
   - spi: spi-s3c64xx: Check return values (git-fixes).
   - spi: spi-s3c64xx: swap s3c64xx_spi_set_cs() and
     s3c64xx_enable_datapath() (git-fixes).
   - taprio: Fix allowing too small intervals (networking-stable-20_09_24).
   - time: Prevent undefined behaviour in timespec64_to_ns() (bsc#1164648).
   - tipc: fix memory leak caused by tipc_buf_append() (git-fixes).
   - tipc: Fix memory leak in tipc_group_create_member()
     (networking-stable-20_09_24).
   - tipc: fix shutdown() of connection oriented socket
     (networking-stable-20_09_24).
   - tipc: fix shutdown() of connectionless socket
     (networking-stable-20_09_11).
   - tipc: fix the skb_unshare() in tipc_buf_append() (git-fixes).
   - tipc: fix uninit skb->data in tipc_nl_compat_dumpit()
     (networking-stable-20_08_24).
   - tipc: use skb_unshare() instead in tipc_buf_append()
     (networking-stable-20_09_24).
   - tty: ipwireless: fix error handling (git-fixes).
   - tty: serial: fsl_lpuart: fix lpuart32_poll_get_char (git-fixes).
   - usb: cdc-acm: add quirk to blacklist ETAS ES58X devices (git-fixes).
   - usb: cdc-acm: handle broken union descriptors (git-fixes).
   - usb: cdc-wdm: Make wdm_flush() interruptible and add wdm_fsync()
     (git-fixes).
   - usb: core: Solve race condition in anchor cleanup functions (git-fixes).
   - usb: dwc3: simple: add support for Hikey 970 (git-fixes).
   - usb: gadget: f_ncm: allow using NCM in SuperSpeed Plus gadgets
     (git-fixes).
   - usb: gadget: function: printer: fix use-after-free in __lock_acquire
     (git-fixes).
   - usb: ohci: Default to per-port over-current protection (git-fixes).
   - x86/alternative: Do not call text_poke() in lazy TLB mode (bsc#1175749).
   - xen/gntdev.c: Mark pages as dirty (bsc#1065600).
   - xfs: fix high key handling in the rt allocator's query_range function
     (git-fixes).
   - xfs: fix xfs_bmap_validate_extent_raw when checking attr fork of rt
     files (git-fixes).
   - xfs: limit entries returned when counting fsmap records (git-fixes).


Special Instructions and Notes:

   Please reboot the system after installing this update.

Patch Instructions:

   To install this SUSE Security Update use the SUSE recommended installation methods
   like YaST online_update or "zypper patch".

   Alternatively you can run the command listed for your product:

   - SUSE Linux Enterprise Module for Live Patching 15-SP2:

      zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP2-2020-3273=1



Package List:

   - SUSE Linux Enterprise Module for Live Patching 15-SP2 (ppc64le s390x x86_64):

      kernel-default-debuginfo-5.3.18-24.37.1
      kernel-default-debugsource-5.3.18-24.37.1
      kernel-default-livepatch-5.3.18-24.37.1
      kernel-default-livepatch-devel-5.3.18-24.37.1
      kernel-livepatch-5_3_18-24_37-default-1-5.3.1
      kernel-livepatch-5_3_18-24_37-default-debuginfo-1-5.3.1
      kernel-livepatch-SLE15-SP2_Update_7-debugsource-1-5.3.1


References:

   https://www.suse.com/security/cve/CVE-2020-25656.html
   https://www.suse.com/security/cve/CVE-2020-8694.html
   https://bugzilla.suse.com/1065600
   https://bugzilla.suse.com/1066382
   https://bugzilla.suse.com/1149032
   https://bugzilla.suse.com/1163592
   https://bugzilla.suse.com/1164648
   https://bugzilla.suse.com/1170415
   https://bugzilla.suse.com/1175749
   https://bugzilla.suse.com/1176354
   https://bugzilla.suse.com/1177281
   https://bugzilla.suse.com/1177766
   https://bugzilla.suse.com/1177799
   https://bugzilla.suse.com/1177801
   https://bugzilla.suse.com/1178166
   https://bugzilla.suse.com/1178173
   https://bugzilla.suse.com/1178175
   https://bugzilla.suse.com/1178176
   https://bugzilla.suse.com/1178177
   https://bugzilla.suse.com/1178183
   https://bugzilla.suse.com/1178184
   https://bugzilla.suse.com/1178185
   https://bugzilla.suse.com/1178186
   https://bugzilla.suse.com/1178190
   https://bugzilla.suse.com/1178191
   https://bugzilla.suse.com/1178255
   https://bugzilla.suse.com/1178307
   https://bugzilla.suse.com/1178330
   https://bugzilla.suse.com/1178395