SUSE-SU-2019:0224-1

SUSE-SU-2019:0224-1 · Security update for the Linux Kernel

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The SUSE Linux Enterprise 15 kernel was updated to receive various security and bugfixes. This update brings following features: - Support for Enhanced-IBRS on new Intel CPUs (fate#326564) The following security bugs were fixed: - CVE-2018-9568: In sk_clone_lock of sock.c, there is a possible memory corruption due to type confusion. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. (bnc#1118319). - CVE-2018-12232: In net/socket.c there is a race condition between fchownat and close in cases where they target the same socket file descriptor, related to the sock_close and sockfs_setattr functions. fchownat did not increment the file descriptor reference count, which allowed close to set the socket to NULL during fchownat's execution, leading to a NULL pointer dereference and system crash (bnc#1097593). - CVE-2018-14625: A flaw was found where an attacker may be able to have an uncontrolled read to kernel-memory from within a vm guest. A race condition between connect() and close() function may allow an attacker using the AF_VSOCK protocol to gather a 4 byte information leak or possibly intercept or corrupt AF_VSOCK messages destined to other clients (bnc#1106615). - CVE-2018-16862: A security flaw was found in the way that the cleancache subsystem clears an inode after the final file truncation (removal). The new file created with the same inode may contain leftover pages from cleancache and the old file data instead of the new one (bnc#1117186). - CVE-2018-16884: NFS41+ shares mounted in different network namespaces at the same time can make bc_svc_process() use wrong back-channel IDs and cause a use-after-free vulnerability. Thus a malicious container user can cause a host kernel memory corruption and a system panic. Due to the nature of the flaw, privilege escalation cannot be fully ruled out (bnc#1119946). - CVE-2018-18281: The mremap() syscall performs TLB flushes after dropping pagetable locks. If a syscall such as ftruncate() removes entries from the pagetables of a task that is in the middle of mremap(), a stale TLB entry can remain for a short time that permits access to a physical page after it has been released back to the page allocator and reused. (bnc#1113769). - CVE-2018-18397: The userfaultfd implementation mishandled access control for certain UFFDIO_ ioctl calls, as demonstrated by allowing local users to write data into holes in a tmpfs file (if the user has read-only access to that file, and that file contains holes), related to fs/userfaultfd.c and mm/userfaultfd.c (bnc#1117656). - CVE-2018-18710: An information leak in cdrom_ioctl_select_disc in drivers/cdrom/cdrom.c could be used by local attackers to read kernel memory because a cast from unsigned long to int interferes with bounds checking. This is similar to CVE-2018-10940 and CVE-2018-16658 (bnc#1113751). - CVE-2018-19407: The vcpu_scan_ioapic function in arch/x86/kvm/x86.c allowed local users to cause a denial of service (NULL pointer dereference and BUG) via crafted system calls that reach a situation where ioapic is uninitialized (bnc#1116841). - CVE-2018-19824: A local user could exploit a use-after-free in the ALSA driver by supplying a malicious USB Sound device (with zero interfaces) that is mishandled in usb_audio_probe in sound/usb/card.c (bnc#1118152). - CVE-2018-19854: An issue was discovered in the crypto_report_one() and related functions in crypto/crypto_user.c (the crypto user configuration API) do not fully initialize structures that are copied to userspace, potentially leaking sensitive memory to user programs. NOTE: this is a CVE-2013-2547 regression but with easier exploitability because the attacker did not need a capability (however, the system must have the CONFIG_CRYPTO_USER kconfig option) (bnc#1118428). - CVE-2018-19985: The function hso_probe read if_num from the USB device (as an u8) and used it without a length check to index an array, resulting in an OOB memory read in hso_probe or hso_get_config_data that could be used by local attackers (bnc#1120743). - CVE-2018-20169: The USB subsystem mishandled size checks during the reading of an extra descriptor, related to __usb_get_extra_descriptor in drivers/usb/core/usb.c (bnc#1119714). The following non-security bugs were fixed: - acpi/apei: Handle GSIV and GPIO notification types (bsc#1115567). - acpica: Tables: Add WSMT support (bsc#1089350). - acpi/cpcc: Check for valid PCC subspace only if PCC is used (bsc#1117115). - acpi/cpcc: Update all pr_(debug/err) messages to log the susbspace id (bsc#1117115). - acpi/iort: Fix iort_get_platform_device_domain() uninitialized pointer value (bsc#1051510). - acpi/LPSS: Add alternative ACPI HIDs for Cherry Trail DMA controllers (bsc#1051510). - acpi/nfit: Fix ARS overflow continuation (bsc#1116895). - acpi/nfit, x86/mce: Handle only uncorrectable machine checks (bsc#1114279). - acpi/nfit, x86/mce: Validate a MCE's address before using it (bsc#1114279). - acpi/platform: Add SMB0001 HID to forbidden_id_list (bsc#1051510). - acpi/watchdog: Prefer iTCO_wdt always when WDAT table uses RTC SRAM (bsc#1051510). - act_ife: fix a potential use-after-free (networking-stable-18_09_11). - aio: fix spectre gadget in lookup_ioctx (bsc#1120594). - alsa: ac97: Fix incorrect bit shift at AC97-SPSA control write (bsc#1051510). - alsa: ca0106: Disable IZD on SB0570 DAC to fix audio pops (bsc#1051510). - alsa: control: Fix race between adding and removing a user element (bsc#1051510). - alsa: cs46xx: Potential NULL dereference in probe (bsc#1051510). - alsa: emu10k1: Fix potential Spectre v1 vulnerabilities (bsc#1051510). - alsa: emux: Fix potential Spectre v1 vulnerabilities (bsc#1051510). - alsa: fireface: fix for state to fetch PCM frames (bsc#1051510). - alsa: fireface: fix reference to wrong register for clock configuration (bsc#1051510). - alsa: firewire-lib: fix wrong assignment for 'out_packet_without_header' tracepoint (bsc#1051510). - alsa: firewire-lib: fix wrong handling payload_length as payload_quadlet (bsc#1051510). - alsa: firewire-lib: use the same print format for 'without_header' tracepoints (bsc#1051510). - alsa: hda: Add 2 more models to the power_save blacklist (bsc#1051510). - alsa: hda: Add ASRock N68C-S UCC the power_save blacklist (bsc#1051510). - alsa: hda - Add mic quirk for the Lenovo G50-30 (17aa:3905) (bsc#1051510). - alsa: hda: add mute LED support for HP EliteBook 840 G4 (bsc#1051510). - alsa: hda - Add quirk for ASUS G751 laptop (bsc#1051510). - alsa: hda: Add support for AMD Stoney Ridge (bsc#1051510). - alsa: hda/ca0132 - Call pci_iounmap() instead of iounmap() (bsc#1051510). - alsa: hda/ca0132 - make pci_iounmap() call conditional (bsc#1051510). - alsa: hda: fix front speakers on Huawei MBXP (bsc#1051510). - alsa: hda - Fix headphone pin config for ASUS G751 (bsc#1051510). - alsa: hda: fix unused variable warning (bsc#1051510). - alsa: hda/realtek - Add auto-mute quirk for HP Spectre x360 laptop (bsc#1051510). - alsa: hda/realtek - Add GPIO data update helper (bsc#1051510). - alsa: hda/realtek - Add support for Acer Aspire C24-860 headset mic (bsc#1051510). - alsa: hda/realtek - Add unplug function into unplug state of Headset Mode for ALC225 (bsc#1051510). - alsa: hda/realtek: ALC286 mic and headset-mode fixups for Acer Aspire U27-880 (bsc#1051510). - alsa: hda/realtek: ALC294 mic and headset-mode fixups for ASUS X542UN (bsc#1051510). - alsa: hda/realtek - Allow skipping spec->init_amp detection (bsc#1051510). - alsa: hda/realtek - Disable headset Mic VREF for headset mode of ALC225 (bsc#1051510). - alsa: hda/realtek: Enable audio jacks of ASUS UX391UA with ALC294 (bsc#1051510). - alsa: hda/realtek: Enable audio jacks of ASUS UX433FN/UX333FA with ALC294 (bsc#1051510). - alsa: hda/realtek: Enable audio jacks of ASUS UX533FD with ALC294 (bsc#1051510). - alsa: hda/realtek: Enable the headset mic auto detection for ASUS laptops (bsc#1051510). -

Correctif disponible

Publication

2019-02-01T18:55:03Z

Mise à jour

2026-02-04T04:15:10.403312Z

Pile logicielle: system

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