SUSE-SU-2021:1238-1

SUSE-SU-2021:1238-1 · Security update for the Linux Kernel

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The SUSE Linux Enterprise 15 SP2 kernel was updated to receive various security and bugfixes. The following security bugs were fixed: - CVE-2021-3444: Fixed an issue with the bpf verifier which did not properly handle mod32 destination register truncation when the source register was known to be 0 leading to out of bounds read (bsc#1184170). - CVE-2021-3428: Fixed an integer overflow in ext4_es_cache_extent (bsc#1173485). - CVE-2021-29647: Fixed an issue in qrtr_recvmsg which could have allowed attackers to obtain sensitive information from kernel memory because of a partially uninitialized data structure (bsc#1184192 ). - CVE-2021-29265: Fixed an issue in usbip_sockfd_store which could have allowed attackers to cause a denial of service due to race conditions during an update of the local and shared status (bsc#1184167). - CVE-2021-29264: Fixed an issue in the Freescale Gianfar Ethernet driver which could have allowed attackers to cause a system crash due to a calculation of negative fragment size (bsc#1184168). - CVE-2021-28972: Fixed a user-tolerable buffer overflow when writing a new device name to the driver from userspace, allowing userspace to write data to the kernel stack frame directly (bsc#1184198). - CVE-2021-28971: Fixed an issue in intel_pmu_drain_pebs_nhm which could have caused a system crash because the PEBS status in a PEBS record was mishandled (bsc#1184196 ). - CVE-2021-28964: Fixed a race condition in get_old_root which could have allowed attackers to cause a denial of service (bsc#1184193). - CVE-2021-28688: Fixed an issue introduced by XSA-365 (bsc#1183646). - CVE-2021-28660: Fixed an out of bounds write in rtw_wx_set_scan (bsc#1183593 ). - CVE-2021-28375: Fixed an issue in fastrpc_internal_invoke which did not prevent user applications from sending kernel RPC messages (bsc#1183596). - CVE-2021-28038: Fixed an issue with the netback driver which was lacking necessary treatment of errors such as failed memory allocations (bsc#1183022). - CVE-2021-27365: Fixed an issue where an unprivileged user can send a Netlink message that is associated with iSCSI, and has a length up to the maximum length of a Netlink message (bsc#1182715). - CVE-2021-27364: Fixed an issue where an attacker could craft Netlink messages (bsc#1182717). - CVE-2021-27363: Fixed a kernel pointer leak which could have been used to determine the address of the iscsi_transport structure (bsc#1182716). - CVE-2020-35519: Fixed an out-of-bounds memory access was found in x25_bind (bsc#1183696). - CVE-2020-27815: Fixed an issue in JFS filesystem where could have allowed an attacker to execute code (bsc#1179454). - CVE-2020-27171: Fixed an off-by-one error affecting out-of-bounds speculation on pointer arithmetic, leading to side-channel attacks that defeat Spectre mitigations and obtain sensitive information from kernel memory (bsc#1183775). - CVE-2020-27170: Fixed potential side-channel attacks that defeat Spectre mitigations and obtain sensitive information from kernel memory (bsc#1183686). - CVE-2019-19769: Fixed a use-after-free in the perf_trace_lock_acquire function (bsc#1159280 ). - CVE-2019-18814: Fixed a use-after-free when aa_label_parse() fails in aa_audit_rule_init() (bsc#1156256). - CVE-2021-3483: Fixed a use-after-free in nosy.c (bsc#1184393). - CVE-2021-30002: Fixed a memory leak for large arguments in video_usercopy (bsc#1184120). - CVE-2021-29154: Fixed incorrect computation of branch displacements, allowing arbitrary code execution (bsc#1184391). - CVE-2021-28950: Fixed an issue in fs/fuse/fuse_i.h due to a retry loop continually was finding the same bad inode (bsc#1184194). - CVE-2020-36312: Fixed a memory leak upon a kmalloc failure (bsc#1184509 ). - CVE-2020-36311: Fixed a denial of service (soft lockup) by triggering destruction of a large SEV VM (bsc#1184511). - CVE-2020-36310: Fixed infinite loop for certain nested page faults (bsc#1184512). - CVE-2020-25670, CVE-2020-25671, CVE-2020-25672, CVE-2020-25673: Fixed multiple bugs in NFC subsytem (bsc#1178181). - CVE-2020-36322: Fixed an issue was discovered in FUSE filesystem implementation which could have caused a system crash (bsc#1184211). The following non-security bugs were fixed: - 0007-block-add-docs-for-gendisk-request_queue-refcount-he.patch: (bsc#1171295, git fixes (block drivers)). - 0008-block-revert-back-to-synchronous-request_queue-remov.patch: (bsc#1171295, git fixes (block drivers)). - 0009-blktrace-fix-debugfs-use-after-free.patch: (bsc#1171295, git fixes (block drivers)). - ACPI: bus: Constify is_acpi_node() and friends (part 2) (git-fixes). - ACPICA: Always create namespace nodes using acpi_ns_create_node() (git-fixes). - ACPICA: Enable sleep button on ACPI legacy wake (bsc#1181383). - ACPICA: Fix race in generic_serial_bus (I2C) and GPIO op_region parameter handling (git-fixes). - ACPI: scan: Rearrange memory allocation in acpi_device_add() (git-fixes). - ACPI: video: Add DMI quirk for GIGABYTE GB-BXBT-2807 (git-fixes). - ACPI: video: Add missing callback back for Sony VPCEH3U1E (git-fixes). - ALSA: aloop: Fix initialization of controls (git-fixes). - ALSA: ctxfi: cthw20k2: fix mask on conf to allow 4 bits (git-fixes). - ALSA: hda: Avoid spurious unsol event handling during S3/S4 (git-fixes). - ALSA: hda: Drop the BATCH workaround for AMD controllers (git-fixes). - ALSA: hda: generic: Fix the micmute led init state (git-fixes). - ALSA: hda/hdmi: Cancel pending works before suspend (git-fixes). - ALSA: hda/realtek: Add quirk for Clevo NH55RZQ (git-fixes). - ALSA: hda/realtek: Add quirk for Intel NUC 10 (git-fixes). - ALSA: hda/realtek: Apply dual codec quirks for MSI Godlike X570 board (git-fixes). - ALSA: hda/realtek: Apply headset-mic quirks for Xiaomi Redmibook Air (git-fixes). - ALSA: hda/realtek: apply pin quirk for XiaomiNotebook Pro (git-fixes). - ALSA: hda/realtek: Enable headset mic of Acer SWIFT with ALC256 (git-fixes). - ALSA: hda/realtek: fix a determine_headset_type issue for a Dell AIO (git-fixes). - ALSA: hda/realtek: Fix speaker amp setup on Acer Aspire E1 (git-fixes). - ALSA: usb: Add Plantronics C320-M USB ctrl msg delay quirk (bsc#1182552). - ALSA: usb-audio: Allow modifying parameters with succeeding hw_params calls (bsc#1182552). - ALSA: usb-audio: Apply sample rate quirk to Logitech Connect (git-fixes). - ALSA: usb-audio: Apply the control quirk to Plantronics headsets (bsc#1182552). - ALSA: usb-audio: Disable USB autosuspend properly in setup_disable_autosuspend() (bsc#1182552). - ALSA: usb-audio: Do not abort even if the clock rate differs (bsc#1182552). - ALSA: usb-audio: Drop bogus dB range in too low level (bsc#1182552). - ALSA: usb-audio: Fix 'cannot get freq eq' errors on Dell AE515 sound bar (bsc#1182552). - ALSA: usb-audio: fix NULL ptr dereference in usb_audio_probe (bsc#1182552). - ALSA: usb-audio: Fix 'RANGE setting not yet supported' errors (git-fixes). - ALSA: usb-audio: fix use after free in usb_audio_disconnect (bsc#1182552). - ALSA: usb-audio: Skip the clock selector inquiry for single connections (git-fixes). - ALSA: usb: Use DIV_ROUND_UP() instead of open-coding it (git-fixes). - amd/amdgpu: Disable VCN DPG mode for Picasso (git-fixes). - apparmor: check/put label on apparmor_sk_clone_security() (git-fixes). - appletalk: Fix skb allocation size in loopback case (git-fixes). - arm64: make STACKPROTECTOR_PER_TASK configurable (bsc#1181862). - ASoC: ak4458: Add MODULE_DEVICE_TABLE (git-fixes). - ASoC: ak5558: Add MODULE_DEVICE_TABLE (git-fixes). - ASoC: cs42l42: Always wait at least 3ms after reset (git-fixes). - ASoC: cs42l42: Do not enable/disable regulator at Bias Level (git-fixes). - ASoC: cs42l42: Fix Bitclock polarity inversion (git-fixes). - ASoC: cs42l42: Fix channel width support (git-fixes). - ASoC: cs42l42: Fix mixer volume control (git-fixes). - ASoC: cygnus: fix for_each_child.cocci warnings (git-fixes). - ASoC: es8316: Simplify adc_pga_gain_tlv table (git-fixes). - ASoC: fsl_esai: Fix TDM slot setup for I2S mode (git-fi

Corrección disponible

Publicación

2021-04-16T08:58:59Z

Actualización

2026-02-04T04:03:09.796087Z

Pila tecnológica: system

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