🛡️ SUSE-SU-2021:3447-1 — kernel-default (CVE-2020-3702 +5 more)

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP2 kernel was updated.

The following security bugs were fixed:

• CVE-2020-3702: Fixed a bug which could be triggered with specifically timed and handcrafted traffic and cause internal errors in a WLAN device that lead to improper layer 2 Wi-Fi encryption with a consequent possibility of information disclosure. (bnc#1191193)
• CVE-2021-3752: Fixed a use after free vulnerability in the Linux kernel's bluetooth module. (bsc#1190023)
• CVE-2021-40490: Fixed a race condition discovered in the ext4 subsystem that could leat to local priviledge escalation. (bnc#1190159)
• CVE-2021-3744: Fixed a bug which could allows attackers to cause a denial of service. (bsc#1189884)
• CVE-2021-3764: Fixed a bug which could allows attackers to cause a denial of service. (bsc#1190534)
• CVE-2021-3669: Fixed a bug that doesn't allow /proc/sysvipc/shm to scale with large shared memory segment counts which could lead to resource exhaustion and DoS. (bsc#1188986)

The following non-security bugs were fixed:

• ALSA: firewire-motu: fix truncated bytes in message tracepoints (git-fixes).
• apparmor: remove duplicate macro list_entry_is_head() (git-fixes).
• ASoC: fsl_micfil: register platform component before registering cpu dai (git-fixes).
• ASoC: mediatek: common: handle NULL case in suspend/resume function (git-fixes).
• ASoC: rockchip: i2s: Fix regmap_ops hang (git-fixes).
• ASoC: rockchip: i2s: Fixup config for DAIFMT_DSP_A/B (git-fixes).
• ASoC: SOF: Fix DSP oops stack dump output contents (git-fixes).
• ath9k: fix OOB read ar9300_eeprom_restore_internal (git-fixes).
• ath9k: fix sleeping in atomic context (git-fixes).
• blk-mq: do not deactivate hctx if managed irq isn't used (bsc#1185762).
• blk-mq: kABI fixes for blk_mq_queue_map (bsc#1185762).
• blk-mq: mark if one queue map uses managed irq (bsc#1185762).
• Bluetooth: skip invalid hci_sync_conn_complete_evt (git-fixes).
• bnx2x: fix an error code in bnx2x_nic_load() (git-fixes).
• bnxt_en: Add missing DMA memory barriers (git-fixes).
• bnxt_en: Disable aRFS if running on 212 firmware (git-fixes).
• bnxt_en: Do not enable legacy TX push on older firmware (git-fixes).
• bnxt_en: Store the running firmware version code (git-fixes).
• bnxt: count Tx drops (git-fixes).
• bnxt: disable napi before canceling DIM (git-fixes).
• bnxt: do not lock the tx queue from napi poll (git-fixes).
• bnxt: make sure xmit_more + errors does not miss doorbells (git-fixes).
• btrfs: prevent rename2 from exchanging a subvol with a directory from different parents (bsc#1190626).
• clk: at91: clk-generated: Limit the requested rate to our range (git-fixes).
• clk: at91: clk-generated: pass the id of changeable parent at registration (git-fixes).
• console: consume APC, DM, DCS (git-fixes).
• cuse: fix broken release (bsc#1190596).
• cxgb4: dont touch blocked freelist bitmap after free (git-fixes).
• debugfs: Return error during {full/open}_proxy_open() on rmmod (bsc#1173746).
• devlink: Break parameter notification sequence to be before/after unload/load driver (bsc#1154353).
• dmaengine: ioat: depends on !UML (git-fixes).
• dmaengine: sprd: Add missing MODULE_DEVICE_TABLE (git-fixes).
• dmaengine: xilinx_dma: Set DMA mask for coherent APIs (git-fixes).
• docs: Fix infiniband uverbs minor number (git-fixes).
• drivers: gpu: amd: Initialize amdgpu_dm_backlight_caps object to 0 in amdgpu_dm_update_backlight_caps (git-fixes).
• drm: avoid blocking in drm_clients_info's rcu section (git-fixes).
• drm/amd/amdgpu: Update debugfs link_settings output link_rate field in hex (git-fixes).
• drm/amd/display: Fix timer_per_pixel unit error (git-fixes).
• drm/amdgpu: Fix BUG_ON assert (git-fixes).
• drm/gma500: Fix end of loop tests for list_for_each_entry (git-fixes).
• drm/nouveau/nvkm: Replace -ENOSYS with -ENODEV (git-fixes).
• drm/panfrost: Clamp lock region to Bifrost minimum (git-fixes).
• e1000e: Do not take care about recovery NVM checksum (jsc#SLE-8100).
• e1000e: Fix the max snoop/no-snoop latency for 10M (git-fixes).
• EDAC/i10nm: Fix NVDIMM detection (bsc#1152489).
• EDAC/synopsys: Fix wrong value type assignment for edac_mode (bsc#1152489).
• erofs: fix up erofs_lookup tracepoint (git-fixes).
• fbmem: do not allow too huge resolutions (git-fixes).
• fpga: machxo2-spi: Fix missing error code in machxo2_write_complete() (git-fixes).
• fpga: machxo2-spi: Return an error on failure (git-fixes).
• fuse: flush extending writes (bsc#1190595).
• fuse: truncate pagecache on atomic_o_trunc (bsc#1190705).
• genirq: add device_has_managed_msi_irq (bsc#1185762).
• gpio: uniphier: Fix void functions to remove return value (git-fixes).
• gpu: drm: amd: amdgpu: amdgpu_i2c: fix possible uninitialized-variable access in amdgpu_i2c_router_select_ddc_port() (git-fixes).
• gve: fix the wrong AdminQ buffer overflow check (bsc#1176940).
• hv_netvsc: Make netvsc/VF binding check both MAC and serial number (jsc#SLE-18779, bsc#1185726).
• hv: mana: remove