🛡️ SUSE-SU-2021:3338-1 — kernel-azure (CVE-2020-3702 +5 more)

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP3 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: Intel: Fix platform ID matching (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: rt5682: Implement remove callback (git-fixes).
• ASoC: rt5682: Properly turn off regulators if wrong device ID (git-fixes).
• ASoC: rt5682: Remove unused variable in rt5682_i2c_remove() (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).
• backlight: pwm_bl: Improve bootloader/kernel device handover (git-fixes).
• bareudp: Fix invalid read beyond skb's linear data (jsc#SLE-15172).
• blk-mq: do not deactivate hctx if managed irq isn't used (bsc#1185762).
• 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: kABI fixes for blk_mq_queue_map (bsc#1185762).
• blk-mq: mark if one queue map uses managed irq (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: Fix asic.rev in devlink dev info command (jsc#SLE-16649).
• bnxt_en: fix stored FW_PSID version masks (jsc#SLE-16649).
• 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).
• bpf, samples: Add missing mprog-disable to xdp_redirect_cpu's optstring (git-fixes).
• bpf: Fix ringbuf helper function compatibility (git-fixes).
• bpftool: Add sock_release help info for cgroup attach/prog load command (bsc#1177028).
• 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).
• cpuidle: pseries: Do not cap the CEDE0 latency in fixup_cede0_latency() (bsc#1185550 ltc#192610 git-fixes jsc#SLE-18128).
• 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).
• devlink: Clear whole devlink_flash_notify struct (bsc#1176447).
• dma-buf: DMABUF_MOVE_NOTIFY should depend on DMA_SHARED_BUFFER (git-fixes).
• 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/ast: Fix missing conversion