SUSE-SU-2020:3748-1

SUSE-SU-2020:3748-1 · Security update for the Linux Kernel

This page contains facts from public vulnerability sources. Check the original advisory before updating.

This page shows selected source facts. See the linked advisories for the complete description and affected versions.

The SUSE Linux Enterprise 15 SP2 kernel was updated to 3.12.31 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-2020-25668: Fixed a concurrency use-after-free in con_font_op (bsc#1178123). - CVE-2020-25669: Fixed a use-after-free read in sunkbd_reinit() (bsc#1178182). - CVE-2020-25704: Fixed a leak in perf_event_parse_addr_filter() (bsc#1178393). - 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). - CVE-2020-25705: Fixed an issue which could have allowed to quickly scan open UDP ports. This flaw allowed an off-path remote user to effectively bypassing source port UDP randomization (bsc#1175721). - CVE-2020-28941: Fixed an issue where local attackers on systems with the speakup driver could cause a local denial of service attack (bsc#1178740). - CVE-2020-4788: Fixed an issue with IBM Power9 processors could have allowed a local user to obtain sensitive information from the data in the L1 cache under extenuating circumstances (bsc#1177666). - CVE-2020-29369: Fixed a race condition between certain expand functions (expand_downwards and expand_upwards) and page-table free operations from an munmap call, aka CID-246c320a8cfe (bnc#1173504 1179432). The following non-security bugs were fixed: - 9P: Cast to loff_t before multiplying (git-fixes). - ACPI: button: Add DMI quirk for Medion Akoya E2228T (git-fixes). - ACPICA: Add NHLT table signature (bsc#1176200). - ACPI: dock: fix enum-conversion warning (git-fixes). - ACPI / extlog: Check for RDMSR failure (git-fixes). - ACPI: GED: fix -Wformat (git-fixes). - ACPI: NFIT: Fix comparison to '-ENXIO' (git-fixes). - ACPI: video: use ACPI backlight for HP 635 Notebook (git-fixes). - Add bug reference to two hv_netvsc patches (bsc#1178853). - 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: fix kernel-doc markups (git-fixes). - ALSA: hda: fix jack detection with Realtek codecs when in D3 (git-fixes). - ALSA: hda: prevent undefined shift in snd_hdac_ext_bus_get_link() (git-fixes). - ALSA: hda/realtek: Add some Clove SSID in the ALC293(ALC1220) (git-fixes). - ALSA: hda/realtek - Add supported for Lenovo ThinkPad Headset Button (git-fixes). - ALSA: hda/realtek - Add supported mute Led for HP (git-fixes). - ALSA: hda/realtek - Enable headphone for ASUS TM420 (git-fixes). - ALSA: hda/realtek - Fixed HP headset Mic can't be detected (git-fixes). - ALSA: hda/realtek - HP Headset Mic can't detect after boot (git-fixes). - ALSA: hda: Reinstate runtime_allow() for all hda controllers (git-fixes). - ALSA: mixart: Fix mutex deadlock (git-fixes). - ALSA: usb-audio: Add delay quirk for all Logitech USB devices (git-fixes). - ALSA: usb-audio: Add implicit feedback quirk for MODX (git-fixes). - ALSA: usb-audio: Add implicit feedback quirk for Qu-16 (git-fixes). - ALSA: usb-audio: Add implicit feedback quirk for Zoom UAC-2 (git-fixes). - ALSA: usb-audio: add usb vendor id as DSD-capable for Khadas devices (git-fixes). - arm64: bpf: Fix branch offset in JIT (git-fixes). - arm64: dts: allwinner: a64: bananapi-m64: Enable RGMII RX/TX delay on PHY (git-fixes). - arm64: dts: allwinner: a64: OrangePi Win: Fix ethernet node (git-fixes). - arm64: dts: allwinner: a64: Pine64 Plus: Fix ethernet node (git-fixes). - arm64: dts: allwinner: beelink-gs1: Enable both RGMII RX/TX delay (git-fixes). - arm64: dts: allwinner: h5: OrangePi PC2: Fix ethernet node (git-fixes). - arm64: dts: allwinner: h5: OrangePi Prime: Fix ethernet node (git-fixes). - arm64: dts: allwinner: Pine H64: Enable both RGMII RX/TX delay (git-fixes). - arm64: dts: fsl: DPAA FMan DMA operations are coherent (git-fixes). - arm64: dts: imx8mm: fix voltage for 1.6GHz CPU operating point (git-fixes). - arm64: dts: imx8mq: Add missing interrupts to GPC (git-fixes). - arm64: dts: imx8mq: Fix TMU interrupt property (git-fixes). - arm64: dts: zynqmp: Remove additional compatible string for i2c IPs (git-fixes). - arm64: kprobe: add checks for ARMv8.3-PAuth combined instructions (git-fixes). - arm64: Run ARCH_WORKAROUND_1 enabling code on all CPUs (git-fixes). - arm64: Run ARCH_WORKAROUND_2 enabling code on all CPUs (git-fixes). - arm64: tegra: Add missing timeout clock to Tegra186 SDMMC nodes (git-fixes). - arm64: tegra: Add missing timeout clock to Tegra194 SDMMC nodes (git-fixes). - arm64: tegra: Add missing timeout clock to Tegra210 SDMMC (git-fixes). - arm64: vdso: Add '-Bsymbolic' to ldflags (git-fixes). - arm64: vdso: Add --eh-frame-hdr to ldflags (git-fixes). - ASoC: codecs: wcd9335: Set digital gain range correctly (git-fixes). - ASoC: cs42l51: manage mclk shutdown delay (git-fixes). - ASoC: Intel: kbl_rt5663_max98927: Fix kabylake_ssp_fixup function (git-fixes). - ASoC: qcom: lpass-platform: Fix memory leak (git-fixes). - ASoC: qcom: sdm845: set driver name correctly (git-fixes). - ath10k: fix VHT NSS calculation when STBC is enabled (git-fixes). - ath10k: start recovery process when payload length exceeds max htc length for sdio (git-fixes). - batman-adv: set .owner to THIS_MODULE (git-fixes). - bnxt_en: Avoid sending firmware messages when AER error is detected (jsc#SLE-8371 bsc#1153274). - bnxt_en: Check abort error state in bnxt_open_nic() (jsc#SLE-8371 bsc#1153274). - bnxt_en: Fix NULL ptr dereference crash in bnxt_fw_reset_task() (jsc#SLE-8371 bsc#1153274). - bnxt_en: Fix regression in workqueue cleanup logic in bnxt_remove_one() (jsc#SLE-8371 bsc#1153274). - bnxt_en: Invoke cancel_delayed_work_sync() for PFs also (jsc#SLE-8371 bsc#1153274). - bnxt_en: return proper error codes in bnxt_show_temp (git-fixes). - bnxt_en: Send HWRM_FUNC_RESET fw command unconditionally (jsc#SLE-8371 bsc#1153274). - bpf: Do not rely on GCC __attribute__((optimize)) to disable GCSE (bsc#1155518). - bpf: Fix comment for helper bpf_current_task_under_cgroup() (bsc#1155518). - bpf: Zero-fill re-used per-cpu map element (bsc#1155518). - btrfs: Account for merged patches upstream Move below patches to sorted section. - btrfs: cleanup cow block on error (bsc#1178584). - btrfs: fix bytes_may_use underflow in prealloc error condtition (bsc#1179217). - btrfs: fix metadata reservation for fallocate that leads to transaction aborts (bsc#1179217). - btrfs: fix relocation failure due to race with fallocate (bsc#1179217). - btrfs: remove item_size member of struct btrfs_clone_extent_info (bsc#1179217). - btrfs: rename btrfs_insert_clone_extent() to a more generic name (bsc#1179217). - btrfs: rename btrfs_punch_hole_range() to a more generic name (bsc#1179217). - btrfs: rename struct btrfs_clone_extent_info to a more generic name (bsc#1179217). - btrfs: reschedule if necessary when logging directory items (bsc#1178585). - btrfs: send, orphanize first all conflicting inodes when processing references (bsc#1178579). - btrfs: send, recompute reference path after orphanization of a directory (bsc#1178581). - 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: can_create_echo_skb(): fix echo skb generation: always use skb_clone() (git-fixes). - can: dev: __can_get_echo_skb(): fix real payload length return value

Fix available

Published

2020-12-10T13:04:57Z

Updated

2026-02-04T02:37:55.515638Z

Stack: system

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