Security update for the Linux Kernel (important)

An update that solves 5 vulnerabilities and has 38 fixes is
now available.

Description:

The SUSE Linux Enterprise 15 SP3 kernel was updated to receive various
security and bugfixes.

The following security bugs were fixed:

• CVE-2021-3573: Fixed an UAF vulnerability in function that can allow
  attackers to corrupt kernel heaps and adopt further exploitations.
  (bsc#1186666)
• CVE-2021-0605: Fixed an out-of-bounds read which could lead to local
  information disclosure in the kernel with System execution privileges
  needed. (bsc#1187601)
• CVE-2021-0512: Fixed a possible out-of-bounds write which could lead to
  local escalation of privilege with no additional execution privileges
  needed. (bsc#1187595)
• CVE-2021-33624: Fixed a bug which allows unprivileged BPF program to
  leak the contents of arbitrary kernel memory (and therefore, of all
  physical memory) via a side-channel. (bsc#1187554)
• CVE-2021-34693: Fixed a bug in net/can/bcm.c which could allow local
  users to obtain sensitive information from kernel stack memory because
  parts of a data structure are uninitialized. (bsc#1187452)

The following non-security bugs were fixed:

• 0001-x86-sched-Treat-Intel-SNC-topology-as-default-COD-as.patch:
  (bsc#1187263).
• alx: Fix an error handling path in ‘alx_probe()’ (git-fixes).
• ASoC: fsl-asoc-card: Set .owner attribute when registering card
  (git-fixes).
• ASoC: Intel: bytcr_rt5640: Add quirk for the Glavey TM800A550L tablet
  (git-fixes).
• ASoC: Intel: bytcr_rt5640: Add quirk for the Lenovo Miix 3-830 tablet
  (git-fixes).
• ASoC: max98088: fix ni clock divider calculation (git-fixes).
• ASoC: rt5659: Fix the lost powers for the HDA header (git-fixes).
• ASoC: rt5682: Fix the fast discharge for headset unplugging in soundwire
  mode (git-fixes).
• ASoC: sti-sas: add missing MODULE_DEVICE_TABLE (git-fixes).
• ASoC: tas2562: Fix TDM_CFG0_SAMPRATE values (git-fixes).
• batman-adv: Avoid WARN_ON timing related checks (git-fixes).
• be2net: Fix an error handling path in ‘be_probe()’ (git-fixes).
• block: Discard page cache of zone reset target range (bsc#1187402).
• Bluetooth: Add a new USB ID for RTL8822CE (git-fixes).
• Bluetooth: use correct lock to prevent UAF of hdev object (git-fixes).
• bnxt_en: Call bnxt_ethtool_free() in bnxt_init_one() error path
  (jsc#SLE-8371 bsc#1153274).
• bnxt_en: Fix TQM fastpath ring backing store computation (jsc#SLE-8371
  bsc#1153274).
• bnxt_en: Rediscover PHY capabilities after firmware reset (jsc#SLE-8371
  bsc#1153274).
• bpf: Fix integer overflow in argument calculation for bpf_map_area_alloc
  (bsc#1177028).
• bpf: Fix libelf endian handling in resolv_btfids (bsc#1177028).
• bpfilter: Specify the log level for the kmsg message (bsc#1155518).
• can: mcba_usb: fix memory leak in mcba_usb (git-fixes).
• ceph: must hold snap_rwsem when filling inode for async create
  (bsc#1187927).
• cfg80211: avoid double free of PMSR request (git-fixes).
• cfg80211: make certificate generation more robust (git-fixes).
• cgroup1: do not allow ‘\n’ in renaming (bsc#1187972).
• cxgb4: fix endianness when flashing boot image (jsc#SLE-15131).
• cxgb4: fix sleep in atomic when flashing PHY firmware (jsc#SLE-15131).
• cxgb4: fix wrong ethtool n-tuple rule lookup (jsc#SLE-15131).
• cxgb4: fix wrong shift (git-fixes).
• cxgb4: halt chip before flashing PHY firmware image (jsc#SLE-15131).
• dax: Add a wakeup mode parameter to put_unlocked_entry() (bsc#1187411).
• dax: Add an enum for specifying dax wakup mode (bsc#1187411).
• dax: fix ENOMEM handling in grab_mapping_entry() (bsc#1184212).
• dax: Wake up all waiters after invalidating dax entry (bsc#1187411).
• dmaengine: ALTERA_MSGDMA depends on HAS_IOMEM (git-fixes).
• dmaengine: fsl-dpaa2-qdma: Fix error return code in two functions
  (git-fixes).
• dmaengine: pl330: fix wrong usage of spinlock flags in dma_cyclc
  (git-fixes).
• dmaengine: QCOM_HIDMA_MGMT depends on HAS_IOMEM (git-fixes).
• dmaengine: stedma40: add missing iounmap() on error in d40_probe()
  (git-fixes).
• drm: Fix use-after-free read in drm_getunique() (git-fixes).
• drm: Lock pointer access in drm_master_release() (git-fixes).
• drm/amd/amdgpu:save psp ring wptr to avoid attack (git-fixes).
• drm/amd/display: Allow bandwidth validation for 0 streams (git-fixes).
• drm/amd/display: Fix potential memory leak in DMUB hw_init (git-fixes).
• drm/amdgpu: refine amdgpu_fru_get_product_info (git-fixes).
• drm/sun4i: dw-hdmi: Make HDMI PHY into a platform device (git-fixes).
• drm/tegra: sor: Do not leak runtime PM reference (git-fixes).
• drm/vc4: hdmi: Make sure the controller is powered in detect (git-fixes).
• drm/vc4: hdmi: Move the HSM clock enable to runtime_pm (git-fixes).
• dt-bindings: reset: meson8b: fix duplicate reset IDs (git-fixes).
• ethtool: strset: fix message length calculation (bsc#1176447).
• ext4: fix bug on in ext4_es_cache_extent as ext4_split_extent_at failed
  (bsc#1187408).
• ext4: fix check to prevent false positive report of incorrect used
  inodes (bsc#1187404).
• ext4: fix error code in ext4_commit_super (bsc#1187407).
• ext4: fix memory leak in ext4_fill_super (bsc#1187409).
• FCOE: fcoe_wwn_from_mac kABI fix (bsc#1187886).
• fs: fix reporting supported extra file attributes for statx()
  (bsc#1187410).
• ftrace: Do not blindly read the ip address in ftrace_bug() (git-fixes).
• ftrace: Free the trampoline when ftrace_startup() fails (git-fixes).
• fuse: BUG_ON correction in fuse_dev_splice_write() (bsc#1187356).
• HID: Add BUS_VIRTUAL to hid_connect logging (git-fixes).
• HID: gt683r: add missing MODULE_DEVICE_TABLE (git-fixes).
• HID: hid-input: add mapping for emoji picker key (git-fixes).
• HID: hid-sensor-hub: Return error for hid_set_field() failure
  (git-fixes).
• HID: quirks: Set INCREMENT_USAGE_ON_DUPLICATE for Saitek X65 (git-fixes).
• HID: usbhid: fix info leak in hid_submit_ctrl (git-fixes).
• HID: usbhid: Fix race between usbhid_close() and usbhid_stop()
  (git-fixes).
• hwmon: (scpi-hwmon) shows the negative temperature properly (git-fixes).
• i2c: mpc: Make use of i2c_recover_bus() (git-fixes).
• ice: add ndo_bpf callback for safe mode netdev ops (jsc#SLE-7926).
• ice: parameterize functions responsible for Tx ring management
  (jsc#SLE-12878).
• isdn: mISDN: netjet: Fix crash in nj_probe: (git-fixes).
• kernel-binary.spec.in: Regenerate makefile when not using mkmakefile.
• kernel: kexec_file: fix error return code of
  kexec_calculate_store_digests() (git-fixes).
• kthread_worker: split code for canceling the delayed work timer
  (bsc#1187867).
• kthread: prevent deadlock when kthread_mod_delayed_work() races with
  kthread_cancel_delayed_work_sync() (bsc#1187867).
• kyber: fix out of bounds access when preempted (bsc#1187403).
• lib: vdso: Remove CROSS_COMPILE_COMPAT_VDSO (bsc#1164648,jsc#SLE-11493).
• media: mtk-mdp: Check return value of of_clk_get (git-fixes).
• media: mtk-mdp: Fix a refcounting bug on error in init (git-fixes).
• media: s5p-g2d: Fix a memory leak in an error handling path in
  ‘g2d_probe()’ (git-fixes).
• mlxsw: reg: Spectrum-3: Enforce lowest max-shaper burst size of 11
  (bsc#1176774).
• mmc: meson-gx: use memcpy_to/fromio for dram-access-quirk (git-fixes).
• module: limit enabling module.sig_enforce (git-fixes).
• net: mvpp2: add mvpp2_phylink_to_port() helper (bsc#1187171).
• net/mlx5: Consider RoCE cap before init RDMA resources (git-fixes).
• net/mlx5: E-Switch, Allow setting GUID for host PF vport (jsc#SLE-15172).
• net/mlx5: E-Switch, Read PF mac address (jsc#SLE-15172).
• net/mlx5: Fix PBMC register mapping (git-fixes).
• net/mlx5: Fix placement of log_max_flow_counter (git-fixes).
• net/mlx5: Fix sleep while atomic in mlx5_eswitch_get_vepa (git-fixes).
• net/mlx5: Reset mkey index on creation (jsc#SLE-15172).
• net/mlx5e: Block offload of outer header csum for UDP tunnels
  (git-fixes).
• net/mlx5e: Fix page reclaim for dead peer hairpin (git-fixes).
• net/mlx5e: Remove dependency in IPsec initialization flows (git-fixes).
• net/nfc/rawsock.c: fix a permission check bug (git-fixes).
• net/sched: act_ct: handle DNAT tuple collision (bsc#1154353).
• net/x25: Return the correct errno code (git-fixes).
• netxen_nic: Fix an error handling path in ‘netxen_nic_probe()’
  (git-fixes).
• NFS: Fix a potential NULL dereference in nfs_get_client() (git-fixes).
• NFS: Fix use-after-free in nfs4_init_client() (git-fixes).
• NFS: Fix deadlock between nfs4_evict_inode() and
  nfs4_opendata_get_inode() (git-fixes).
• nvmem: rmem: fix undefined reference to memremap (git-fixes).
• ocfs2: fix data corruption by fallocate (bsc#1187412).
• PCI: aardvark: Do not rely on jiffies while holding spinlock (git-fixes).
• PCI: aardvark: Fix kernel panic during PIO transfer (git-fixes).
• PCI: Add ACS quirk for Broadcom BCM57414 NIC (git-fixes).
• PCI: Mark some NVIDIA GPUs to avoid bus reset (git-fixes).
• PCI: Mark TI C667X to avoid bus reset (git-fixes).
• PCI: Work around Huawei Intelligent NIC VF FLR erratum (git-fixes).
• perf/x86/intel/uncore: Fix a kernel WARNING triggered by maxcpus=1
  (git-fixes).
• perf/x86/intel/uncore: Remove uncore extra PCI dev HSWEP_PCI_PCU_3
  (bsc#1184685).
• powerpc/perf: Fix crash in perf_instruction_pointer() when ppmu is not
  set (jsc#SLE-13513 bsc#1176919 ltc#186162 git-fixes).
• qla2xxx: synchronize rport dev_loss_tmo setting (bsc#1182470
  bsc#1185486).
• qlcnic: Fix an error handling path in ‘qlcnic_probe()’ (git-fixes).
• radeon: use memcpy_to/fromio for UVD fw upload (git-fixes).
• regulator: bd70528: Fix off-by-one for buck123 .n_voltages setting
  (git-fixes).
• Removed patch that was incorrectly added to SLE15-SP2 (bsc#1186949)
• Revert “ecryptfs: replace BUG_ON with error handling code” (bsc#1187413).
• Revert “ibmvnic: simplify reset_long_term_buff function” (bsc#1186206
  ltc#191041).
• Revert “PCI: PM: Do not read power state in pci_enable_device_flags()”
  (git-fixes).
• Revert “video: hgafb: fix potential NULL pointer dereference”
  (git-fixes).
• Revert “video: imsttfb: fix potential NULL pointer dereferences”
  (bsc#1152489)
• s390/dasd: add missing discipline function (git-fixes).
• s390/stack: fix possible register corruption with stack switch helper
  (bsc#1185677).
• sched/debug: Fix cgroup_path[] serialization (git-fixes)
• sched/fair: Keep load_avg and load_sum synced (git-fixes)
• scsi: core: Fix race between handling STS_RESOURCE and completion
  (bsc#1187883).
• scsi: fcoe: Fix mismatched fcoe_wwn_from_mac declaration (bsc#1187886).
• scsi: ufs: Fix imprecise load calculation in devfreq window
  (bsc#1187795).
• SCSI: ufs: fix ktime_t kabi change (bsc#1187795).
• scsi: ufs: ufshcd-pltfrm depends on HAS_IOMEM (bsc#1187980).
• spi: spi-nxp-fspi: move the register operation after the clock enable
  (git-fixes).
• spi: sprd: Add missing MODULE_DEVICE_TABLE (git-fixes).
• spi: stm32-qspi: Always wait BUSY bit to be cleared in
  stm32_qspi_wait_cmd() (git-fixes).
• SUNRPC: Handle major timeout in xprt_adjust_timeout() (git-fixes).
• SUNRPC: Handle major timeout in xprt_adjust_timeout() (git-fixes).
• tracing: Correct the length check which causes memory corruption
  (git-fixes).
• tracing: Do no increment trace_clock_global() by one (git-fixes).
• tracing: Do not stop recording cmdlines when tracing is off (git-fixes).
• tracing: Do not stop recording comms if the trace file is being read
  (git-fixes).
• tracing: Restructure trace_clock_global() to never block (git-fixes).
• USB: core: hub: Disable autosuspend for Cypress CY7C65632 (git-fixes).
• USB: dwc3: core: fix kernel panic when do reboot (git-fixes).
• USB: dwc3: core: fix kernel panic when do reboot (git-fixes).
• USB: dwc3: debugfs: Add and remove endpoint dirs dynamically (git-fixes).
• USB: dwc3: ep0: fix NULL pointer exception (git-fixes).
• USB: f_ncm: only first packet of aggregate needs to start timer
  (git-fixes).
• USB: f_ncm: only first packet of aggregate needs to start timer
  (git-fixes).
• USB: fix various gadget panics on 10gbps cabling (git-fixes).
• USB: fix various gadget panics on 10gbps cabling (git-fixes).
• USB: gadget: eem: fix wrong eem header operation (git-fixes).
• USB: gadget: eem: fix wrong eem header operation (git-fixes).
• USB: gadget: f_fs: Ensure io_completion_wq is idle during unbind
  (git-fixes).
• USB: gadget: f_fs: Ensure io_completion_wq is idle during unbind
  (git-fixes).
• USB: serial: ftdi_sio: add NovaTech OrionMX product ID (git-fixes).
• USB: serial: ftdi_sio: add NovaTech OrionMX product ID (git-fixes).
• USB: serial: omninet: add device id for Zyxel Omni 56K Plus (git-fixes).
• USB: serial: omninet: add device id for Zyxel Omni 56K Plus (git-fixes).
• video: hgafb: correctly handle card detect failure during probe
  (git-fixes).
• video: hgafb: fix potential NULL pointer dereference (git-fixes).
• vrf: fix maximum MTU (git-fixes).
• x86/elf: Use _BITUL() macro in UAPI headers (bsc#1178134).
• x86/fpu: Preserve supervisor states in sanitize_restored_user_xstate()
  (bsc#1178134).
• x86/pkru: Write hardware init value to PKRU when xstate is init
  (bsc#1152489).
• x86/process: Check PF_KTHREAD and not current->mm for kernel threads
  (bsc#1152489).
• xen-blkback: fix compatibility bug with single page rings (git-fixes).
• xen-pciback: reconfigure also from backend watch handler (git-fixes).
• xen-pciback: redo VF placement in the virtual topology (git-fixes).
• xen/evtchn: Change irq_info lock to raw_spinlock_t (git-fixes).
• xfrm: policy: Read seqcount outside of rcu-read side in
  xfrm_policy_lookup_bytype (bsc#1185675).

Special Instructions and Notes:

Please reboot the system after installing this update.

Patch Instructions:

To install this openSUSE 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:

• openSUSE Leap 15.3:

  zypper in -t patch openSUSE-SLE-15.3-2021-2352=1