SUSE: 2020:3718-1 important: the Linux Kernel
Summary
The SUSE Linux Enterprise 15 SP1 kernel was updated to receive various
security and bugfixes.
The following security bugs were fixed:
- CVE-2020-15436: Fixed a use after free vulnerability in fs/block_dev.c
which could have allowed local users to gain privileges or cause a
denial of service (bsc#1179141).
- CVE-2020-15437: Fixed a null pointer dereference which could have
allowed local users to cause a denial of service(bsc#1179140).
- CVE-2020-25669: Fixed a use-after-free read in sunkbd_reinit()
(bsc#1178182).
- CVE-2020-27777: Restrict RTAS requests from userspace (bsc#1179107).
- CVE-2020-28915: Fixed a buffer over-read in the fbcon code which could
have been used by local attackers to read kernel memory (bsc#1178886).
- CVE-2020-28974: Fixed a slab-out-of-bounds read in fbcon which could
have been used by local attackers to read privileged information or
potentially crash the kernel (bsc#1178589).
- CVE-2020-29371: Fixed uninitialized memory leaks to userspace
(bsc#1179429).
The following non-security bugs were fixed:
- ACPI: GED: fix -Wformat (git-fixes).
- ALSA: ctl: fix error path at adding user-defined element set (git-fixes).
- ALSA: firewire: Clean up a locking issue in copy_resp_to_buf()
(git-fixes).
- ALSA: mixart: Fix mutex deadlock (git-fixes).
- arm64: KVM: Fix system register enumeration (bsc#1174726).
- arm/arm64: KVM: Add PSCI version selection API (bsc#1174726).
- ASoC: qcom: lpass-platform: Fix memory leak (git-fixes).
- ath10k: Acquire tx_lock in tx error paths (git-fixes).
- batman-adv: set .owner to THIS_MODULE (git-fixes).
- Bluetooth: btusb: Fix and detect most of the Chinese Bluetooth
controllers (git-fixes).
- Bluetooth: hci_bcm: fix freeing not-requested IRQ (git-fixes).
- bpf: Zero-fill re-used per-cpu map element (git-fixes).
- btrfs: account ticket size at add/delete time (bsc#1178897).
- btrfs: add helper to obtain number of devices with ongoing dev-replace
(bsc#1178897).
- btrfs: check rw_devices, not num_devices for balance (bsc#1178897).
- btrfs: do not delete mismatched root refs (bsc#1178962).
- btrfs: fix btrfs_calc_reclaim_metadata_size calculation (bsc#1178897).
- btrfs: fix force usage in inc_block_group_ro (bsc#1178897).
- btrfs: fix invalid removal of root ref (bsc#1178962).
- btrfs: fix reclaim counter leak of space_info objects (bsc#1178897).
- btrfs: fix reclaim_size counter leak after stealing from global reserve
(bsc#1178897).
- btrfs: kill min_allocable_bytes in inc_block_group_ro (bsc#1178897).
- btrfs: rework arguments of btrfs_unlink_subvol (bsc#1178962).
- btrfs: split dev-replace locking helpers for read and write
(bsc#1178897).
- can: af_can: prevent potential access of uninitialized member in
canfd_rcv() (git-fixes).
- can: af_can: prevent potential access of uninitialized member in
can_rcv() (git-fixes).
- can: dev: can_restart(): post buffer from the right context (git-fixes).
- can: gs_usb: fix endianess problem with candleLight firmware (git-fixes).
- can: m_can: fix nominal bitiming tseg2 min for version >= 3.1
(git-fixes).
- can: m_can: m_can_handle_state_change(): fix state change (git-fixes).
- can: m_can: m_can_stop(): set device to software init mode before
closing (git-fixes).
- can: mcba_usb: mcba_usb_start_xmit(): first fill skb, then pass to
can_put_echo_skb() (git-fixes).
- can: peak_usb: fix potential integer overflow on shift of a int
(git-fixes).
- ceph: add check_session_state() helper and make it global (bsc#1179259).
- ceph: check session state after bumping session->s_seq (bsc#1179259).
- ceph: fix race in concurrent __ceph_remove_cap invocations (bsc#1178635).
- cifs: Fix incomplete memory allocation on setxattr path (bsc#1179211).
- cifs: remove bogus debug code (bsc#1179427).
- cifs: Return the error from crypt_message when enc/dec key not found
(bsc#1179426).
- Convert trailing spaces and periods in path components (bsc#1179424).
- docs: ABI: stable: remove a duplicated documentation (git-fixes).
- docs: ABI: sysfs-c2port: remove a duplicated entry (git-fixes).
- Drivers: hv: vmbus: Remove the unused "tsc_page" from struct hv_context
(git-fixes).
- drm/i915/gvt: Set ENHANCED_FRAME_CAP bit (git-fixes).
- drm/sun4i: dw-hdmi: fix error return code in sun8i_dw_hdmi_bind()
(git-fixes).
- Drop sysctl files for dropped archs, add ppc64le and arm64
(bsc#1178838). Also fix the ppc64 page size.
- efi: cper: Fix possible out-of-bounds access (git-fixes).
- efi/efivars: Add missing kobject_put() in sysfs entry creation error
path (git-fixes).
- efi/esrt: Fix reference count leak in esre_create_sysfs_entry
(git-fixes).
- efi: provide empty efi_enter_virtual_mode implementation (git-fixes).
- efivarfs: fix memory leak in efivarfs_create() (git-fixes).
- efivarfs: revert "fix memory leak in efivarfs_create()" (git-fixes).
- efi/x86: Do not panic or BUG() on non-critical error conditions
(git-fixes).
- efi/x86: Free efi_pgd with free_pages() (bsc#1112178).
- efi/x86: Ignore the memory attributes table on i386 (git-fixes).
- efi/x86: Map the entire EFI vendor string before copying it (git-fixes).
- fs/proc/array.c: allow reporting eip/esp for all coredumping threads
(bsc#1050549).
- fuse: fix page dereference after free (bsc#1179213).
- futex: Do not enable IRQs unconditionally in put_pi_state()
(bsc#1067665).
- futex: Handle transient "ownerless" rtmutex state correctly
(bsc#1067665).
- hv_balloon: disable warning when floor reached (git-fixes).
- hv_netvsc: deal with bpf API differences in 4.12 (bsc#1177819,
bsc#1177820).
- hv_netvsc: make recording RSS hash depend on feature flag (bsc#1178853,
bsc#1178854).
- hv_netvsc: record hardware hash in skb (bsc#1178853, bsc#1178854).
- i40iw: Fix error handling in i40iw_manage_arp_cache() (bsc#1111666)
- i40iw: fix null pointer dereference on a null wqe pointer (bsc#1111666)
- i40iw: Report correct firmware version (bsc#1111666)
- IB/cma: Fix ports memory leak in cma_configfs (bsc#1111666)
- IB/core: Set qp->real_qp before it may be accessed (bsc#1111666)
- IB/hfi1: Add missing INVALIDATE opcodes for trace (bsc#1111666)
- IB/hfi1: Add RcvShortLengthErrCnt to hfi1stats (bsc#1111666)
- IB/hfi1: Add software counter for ctxt0 seq drop (bsc#1111666)
- IB/hfi1: Avoid hardlockup with flushlist_lock (bsc#1111666)
- IB/hfi1: Call kobject_put() when kobject_init_and_add() fails
(bsc#1111666)
- IB/hfi1: Check for error on call to alloc_rsm_map_table (bsc#1111666)
- IB/hfi1: Close PSM sdma_progress sleep window (bsc#1111666)
- IB/hfi1: Define variables as unsigned long to fix KASAN warning
(bsc#1111666)
- IB/hfi1: Ensure full Gen3 speed in a Gen4 system (bsc#1111666)
- IB/hfi1: Fix memory leaks in sysfs registration and unregistration
(bsc#1111666)
- IB/hfi1: Fix Spectre v1 vulnerability (bsc#1111666)
- IB/hfi1: Handle port down properly in pio (bsc#1111666)
- IB/hfi1: Handle wakeup of orphaned QPs for pio (bsc#1111666)
- IB/hfi1: Insure freeze_work work_struct is canceled on shutdown
(bsc#1111666)
- IB/hfi1, qib: Ensure RCU is locked when accessing list (bsc#1111666)
- IB/{hfi1, qib}: Fix WC.byte_len calculation for UD_SEND_WITH_IMM
(bsc#1111666)
- IB/hfi1: Remove unused define (bsc#1111666)
- IB/hfi1: Silence txreq allocation warnings (bsc#1111666)
- IB/hfi1: Validate page aligned for a given virtual address (bsc#1111666)
- IB/hfi1: Wakeup QPs orphaned on wait list after flush (bsc#1111666)
- IB/ipoib: drop useless LIST_HEAD (bsc#1111666)
- IB/ipoib: Fix double free of skb in case of multicast traffic in CM mode
(bsc#1111666)
- IB/ipoib: Fix for use-after-free in ipoib_cm_tx_start (bsc#1111666)
- IB/iser: Fix dma_nents type definition (bsc#1111666)
- IB/iser: Pass the correct number of entries for dma mapped SGL
(bsc#1111666)
- IB/mad: Fix use-after-free in ib mad completion handling (bsc#1111666)
- IB/mlx4: Add and improve logging (bsc#1111666)
- IB/mlx4: Add support for MRA (bsc#1111666)
- IB/mlx4: Adjust delayed work when a dup is observed (bsc#1111666)
- IB/mlx4: Fix leak in id_map_find_del (bsc#1111666)
- IB/mlx4: Fix memory leak in add_gid error flow (bsc#1111666)
- IB/mlx4: Fix race condition between catas error reset and aliasguid
flows (bsc#1111666)
- IB/mlx4: Fix starvation in paravirt mux/demux (bsc#1111666)
- IB/mlx4: Follow mirror sequence of device add during device removal
(bsc#1111666)
- IB/mlx4: Remove unneeded NULL check (bsc#1111666)
- IB/mlx4: Test return value of calls to ib_get_cached_pkey (bsc#1111666)
- IB/mlx5: Add missing XRC options to QP optional params mask (bsc#1111666)
- IB/mlx5: Compare only index part of a memory window rkey (bsc#1111666)
- IB/mlx5: Do not override existing ip_protocol (bsc#1111666)
- IB/mlx5: Fix clean_mr() to work in the expected order (bsc#1111666)
- IB/mlx5: Fix implicit MR release flow (bsc#1111666)
- IB/mlx5: Fix outstanding_pi index for GSI qps (bsc#1111666)
- IB/mlx5: Fix RSS Toeplitz setup to be aligned with the HW specification
(bsc#1111666)
- IB/mlx5: Fix unreg_umr to ignore the mkey state (bsc#1111666)
- IB/mlx5: Improve ODP debugging messages (bsc#1111666)
- IB/mlx5: Move MRs to a kernel PD when freeing them to the MR cache
(bsc#1111666)
- IB/mlx5: Prevent concurrent MR updates during invalidation (bsc#1111666)
- IB/mlx5: Reset access mask when looping inside page fault handler
(bsc#1111666)
- IB/mlx5: Set correct write permissions for implicit ODP MR (bsc#1111666)
- IB/mlx5: Use direct mkey destroy command upon UMR unreg failure
(bsc#1111666)
- IB/mlx5: Use fragmented QP's buffer for in-kernel users (bsc#1111666)
- IB/mlx5: WQE dump jumps over first 16 bytes (bsc#1111666)
- IB/mthca: fix return value of error branch in mthca_init_cq()
(bsc#1111666)
- IB/qib: Call kobject_put() when kobject_init_and_add() fails
(bsc#1111666)
- IB/qib: Fix an error code in qib_sdma_verbs_send() (bsc#1111666)
- IB/{qib, hfi1, rdmavt}: Correct ibv_devinfo max_mr value (bsc#1111666)
- IB/qib: Remove a set-but-not-used variable (bsc#1111666)
- IB/rdmavt: Convert timers to use timer_setup() (bsc#1111666)
- IB/rdmavt: Fix alloc_qpn() WARN_ON() (bsc#1111666)
- IB/rdmavt: Fix sizeof mismatch (bsc#1111666)
- IB/rdmavt: Reset all QPs when the device is shut down (bsc#1111666)
- IB/rxe: Fix incorrect cache cleanup in error flow (bsc#1111666)
- IB/rxe: Make counters thread safe (bsc#1111666)
- IB/srpt: Fix memory leak in srpt_add_one (bsc#1111666)
- IB/umad: Avoid additional device reference during open()/close()
(bsc#1111666)
- IB/umad: Avoid destroying device while it is accessed (bsc#1111666)
- IB/umad: Do not check status of nonseekable_open() (bsc#1111666)
- IB/umad: Fix kernel crash while unloading ib_umad (bsc#1111666)
- IB/umad: Refactor code to use cdev_device_add() (bsc#1111666)
- IB/umad: Simplify and avoid dynamic allocation of class (bsc#1111666)
- IB/usnic: Fix out of bounds index check in query pkey (bsc#1111666)
- IB/uverbs: Fix OOPs upon device disassociation (bsc#1111666)
- iio: accel: kxcjk1013: Add support for KIOX010A ACPI DSM for setting
tablet-mode (git-fixes).
- iio: accel: kxcjk1013: Replace is_smo8500_device with an acpi_type enum
(git-fixes).
- inet_diag: Fix error path to cancel the meseage in inet_req_diag_fill()
(git-fixes).
- Input: adxl34x - clean up a data type in adxl34x_probe() (git-fixes).
- iw_cxgb4: fix ECN check on the passive accept (bsc#1111666)
- iw_cxgb4: only reconnect with MPAv1 if the peer aborts (bsc#1111666)
- kABI: add back flush_dcache_range (jsc#SLE-16402 jsc#SLE-16497
bsc#1176109 ltc#187964).
- kABI workaround for usermodehelper changes (bsc#1179406).
- KVM: arm64: Add missing #include of -
References
#1050549 #1067665 #1111666 #1112178 #1158775
#1170139 #1170630 #1172542 #1174726 #1175916
#1176109 #1177304 #1177397 #1177805 #1177808
#1177819 #1177820 #1178182 #1178589 #1178635
#1178669 #1178838 #1178853 #1178854 #1178878
#1178886 #1178897 #1178940 #1178962 #1179107
#1179140 #1179141 #1179211 #1179213 #1179259
#1179403 #1179406 #1179418 #1179421 #1179424
#1179426 #1179427 #1179429
Cross- CVE-2020-15436 CVE-2020-15437 CVE-2020-25669
CVE-2020-27777 CVE-2020-28915 CVE-2020-28974
CVE-2020-29371
Affected Products:
SUSE Linux Enterprise Workstation Extension 15-SP1
SUSE Linux Enterprise Module for Live Patching 15-SP1
SUSE Linux Enterprise Module for Legacy Software 15-SP1
SUSE Linux Enterprise Module for Development Tools 15-SP1
SUSE Linux Enterprise Module for Basesystem 15-SP1
SUSE Linux Enterprise High Availability 15-SP1
https://www.suse.com/security/cve/CVE-2020-15436.html
https://www.suse.com/security/cve/CVE-2020-15437.html
https://www.suse.com/security/cve/CVE-2020-25669.html
https://www.suse.com/security/cve/CVE-2020-27777.html
https://www.suse.com/security/cve/CVE-2020-28915.html
https://www.suse.com/security/cve/CVE-2020-28974.html
https://www.suse.com/security/cve/CVE-2020-29371.html
https://bugzilla.suse.com/1050549
https://bugzilla.suse.com/1067665
https://bugzilla.suse.com/1111666
https://bugzilla.suse.com/1112178
https://bugzilla.suse.com/1158775
https://bugzilla.suse.com/1170139
https://bugzilla.suse.com/1170630
https://bugzilla.suse.com/1172542
https://bugzilla.suse.com/1174726
https://bugzilla.suse.com/1175916
https://bugzilla.suse.com/1176109
https://bugzilla.suse.com/1177304
https://bugzilla.suse.com/1177397
https://bugzilla.suse.com/1177805
https://bugzilla.suse.com/1177808
https://bugzilla.suse.com/1177819
https://bugzilla.suse.com/1177820
https://bugzilla.suse.com/1178182
https://bugzilla.suse.com/1178589
https://bugzilla.suse.com/1178635
https://bugzilla.suse.com/1178669
https://bugzilla.suse.com/1178838
https://bugzilla.suse.com/1178853
https://bugzilla.suse.com/1178854
https://bugzilla.suse.com/1178878
https://bugzilla.suse.com/1178886
https://bugzilla.suse.com/1178897
https://bugzilla.suse.com/1178940
https://bugzilla.suse.com/1178962
https://bugzilla.suse.com/1179107
https://bugzilla.suse.com/1179140
https://bugzilla.suse.com/1179141
https://bugzilla.suse.com/1179211
https://bugzilla.suse.com/1179213
https://bugzilla.suse.com/1179259
https://bugzilla.suse.com/1179403
https://bugzilla.suse.com/1179406
https://bugzilla.suse.com/1179418
https://bugzilla.suse.com/1179421
https://bugzilla.suse.com/1179424
https://bugzilla.suse.com/1179426
https://bugzilla.suse.com/1179427
https://bugzilla.suse.com/1179429