SUSE-SU-2020:3748-1

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

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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

Есть исправление

Опубликовано

2020-12-10T13:04:57Z

Обновлено

2026-02-04T02:37:55.515638Z

Стек: system

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