The SUSE Linux Enterprise 15 kernel was updated to receive various security and bugfixes.
The following security bugs were fixed:
- CVE-2019-19767: Fixed ext4_expand_extra_isize mishandles, as demonstrated by use-after-free errors in __ext4_expand_extra_isize and ext4_xattr_set_entry, related to fs/ext4/inode.c and fs/ext4/super.c (bnc#1159297).
- CVE-2019-18808: Fixed a memory leak in the ccp_run_sha_cmd() function in drivers/crypto/ccp/ccp-ops.c allowed attackers to cause a denial of service (memory consumption) (bnc#1156259).
- CVE-2019-19066: Fixed memory leak in the bfad_im_get_stats() function in drivers/scsi/bfa/bfad_attr.c that all
The SUSE Linux Enterprise 15 kernel was updated to receive various security and bugfixes.
The following security bugs were fixed:
- CVE-2018-12207: Untrusted virtual machines on Intel CPUs could exploit a race condition in the Instruction Fetch Unit of the Intel CPU to cause a Machine Exception during Page Size Change, causing the CPU core to be non-functional.
The Linux Kernel kvm hypervisor was adjusted to avoid page size changes in executable pages by splitting / merging huge pages into small pages as needed.
More information can be found on https://www.suse.com/support/kb/doc/?id=7023735
- CVE-2019-11135: Aborting an asynchronous T
The SUSE Linux Enterprise 15 kernel was updated to receive various security and bugfixes.
The following security bugs were fixed:
- CVE-2019-15291: There was a NULL pointer dereference, caused by a malicious USB device in the flexcop_usb_probe function in the drivers/media/usb/b2c2/flexcop-usb.c driver (bnc#1146540).
- CVE-2019-14821: An out-of-bounds access issue was found in the way the KVM hypervisor implements the Coalesced MMIO write operation. It operates on an MMIO ring buffer 'struct kvm_coalesced_mmio' object, wherein write indices 'ring->first' and 'ring->last' value could be supplied by a host user-space process. An unprivilege
The SUSE Linux Enterprise 15 kernel was updated to receive various security and bugfixes.
The following new features were implemented:
- jsc#SLE-4875: [CML] New device IDs for CML
- jsc#SLE-7294: Add cpufreq driver for Raspberry Pi
- fate#321840: Reduce memory required to boot capture kernel while using fadump
- fate#326869: perf: pmu mem_load/store event support
- fate:327775: vpmem: DRAM backed persistent volumes for improved SAP HANA on POWER restart times
The following security bugs were fixed:
- CVE-2019-14814, CVE-2019-14815, CVE-2019-14816: Fix three heap-based buffer overflows in marvell wifi chip driver kernel, that allowed loc
The SUSE Linux Enterprise 15 kernel was updated to receive various security and bugfixes.
The following security bugs were fixed:
- CVE-2018-20855: An issue was discovered in the Linux kernel In create_qp_common in drivers/infiniband/hw/mlx5/qp.c, mlx5_ib_create_qp_resp was never initialized, resulting in a leak of stack memory to userspace(bsc#1143045).
- CVE-2019-1125: Exclude ATOMs from speculation through SWAPGS (bsc#1139358).
- CVE-2019-14283: In the Linux kernel, set_geometry in drivers/block/floppy.c did not validate the sect and head fields, as demonstrated by an integer overflow and out-of-bounds read. It could be triggered by a
The SUSE Linux Enterprise 15 kernel version 4.12.14 was updated to receive
various security and bugfixes.
The following security bugs were fixed:
- CVE-2019-10638: Attackers used to be able to track the Linux kernel by the IP
ID values the kernel produces for connection-less protocols. When such
traffic was sent to multiple destination IP addresses, it was possible to
obtain hash collisions (of indices to the counter array) and thereby obtain
the hashing key (via enumeration). An attack could have been conducted by
hosting a crafted web page that uses WebRTC or gQUIC to force UDP traffic to
attacker-controlled IP addresses. [bn
The SUSE Linux Enterprise 15 kernel was updated to receive various security and bugfixes.
The following security bugs were fixed:
- CVE-2019-11477: A sequence of SACKs may have been crafted such that one can trigger an integer overflow, leading to a kernel panic.
- CVE-2019-11478: It was possible to send a crafted sequence of SACKs which will
fragment the TCP retransmission queue. An attacker may have been able to further exploit the fragmented queue to cause an
expensive linked-list walk for subsequent SACKs received for that same TCP connection.
- CVE-2019-11479: An attacker could force the Linux kernel to segment its responses into mult
The SUSE Linux Enterprise 15 kernel was updated to receive various security and bugfixes.
Four new speculative execution information leak issues have been identified in Intel CPUs. (bsc#1111331)
- CVE-2018-12126: Microarchitectural Store Buffer Data Sampling (MSBDS)
- CVE-2018-12127: Microarchitectural Fill Buffer Data Sampling (MFBDS)
- CVE-2018-12130: Microarchitectural Load Port Data Samling (MLPDS)
- CVE-2019-11091: Microarchitectural Data Sampling Uncacheable Memory (MDSUM)
This kernel update contains software mitigations for these issues, which also utilize CPU microcode updates shipped in parallel.
For more information on this s
The SUSE Linux Enterprise 15 kernel was updated to receive various security and bugfixes.
The following security bugs were fixed:
- CVE-2019-2024: A use-after-free when disconnecting a source was fixed which could lead to crashes. bnc#1129179).
- CVE-2019-9213: expand_downwards in mm/mmap.c lacks a check for the mmap minimum address, which made it easier for attackers to exploit kernel NULL pointer dereferences on non-SMAP platforms. This is related to a capability check for the wrong task (bnc#1128166).
- CVE-2019-8980: A memory leak in the kernel_read_file function in fs/exec.c allowed attackers to cause a denial of service (memory cons
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, r
The SUSE Linux Enterprise 15 kernel was updated to receive various security and bugfixes.
The following security bugs were fixed:
- CVE-2018-18445: A faulty computation of numeric bounds in the BPF verifier permits out-of-bounds memory accesses because adjust_scalar_min_max_vals in kernel/bpf/verifier.c mishandled 32-bit right shifts (bnc#1112372).
- CVE-2018-18386: drivers/tty/n_tty.c allowed local attackers (who are able to access pseudo terminals) to hang/block further usage of any pseudo terminal devices due to an EXTPROC versus ICANON confusion in TIOCINQ (bnc#1094825).
- CVE-2017-18224: fs/ocfs2/aops.c omits use of a semaphore and c
The SUSE Linux Enterprise 15 kernel was updated to receive various security and bugfixes.
The following security bugs were fixed:
- CVE-2018-17182: The vmacache_flush_all function in mm/vmacache.c mishandled sequence number overflows. An attacker can trigger a use-after-free (and possibly gain privileges) via certain thread creation, map, unmap, invalidation, and dereference operations (bnc#1108399).
- CVE-2018-14633: A security flaw was found in the chap_server_compute_md5() function in the ISCSI target code in a way an authentication request from an ISCSI initiator is processed. An unauthenticated remote attacker can cause a stack buffe
The SUSE Linux Enterprise 15 kernel was updated to receive various security and bugfixes.
The following security bugs were fixed:
- CVE-2018-14617: Prevent NULL pointer dereference and panic in
hfsplus_lookup() when opening a file (that is purportedly a hard link) in an
hfs+ filesystem that has malformed catalog data, and is mounted read-only
without a metadata directory (bsc#1102870)
- CVE-2018-14613: Prevent invalid pointer dereference in io_ctl_map_page() when
mounting and operating a crafted btrfs image, caused by a lack of block group
item validation in check_leaf_item (bsc#1102896).
- CVE-2018-10940: The cdrom_ioctl_media_c
The SUSE Linux Enterprise 15 kernel was updated to receive various security and bugfixes.
The following security bugs were fixed:
- CVE-2018-15572: The spectre_v2_select_mitigation function in arch/x86/kernel/cpu/bugs.c did not always fill RSB upon a context switch, which made it easier for attackers to conduct userspace-userspace spectreRSB attacks (bnc#1102517 bnc#1105296).
- CVE-2018-10902: It was found that the raw midi kernel driver did not protect against concurrent access which leads to a double realloc (double free) in snd_rawmidi_input_params() and snd_rawmidi_output_status() which are part of snd_rawmidi_ioctl() handler in rawmi
The SUSE Linux Enterprise 15 kernel was updated to receive various security and bugfixes.
The following security bugs were fixed:
- CVE-2018-3620: Local attackers on baremetal systems could use speculative code patterns on hyperthreaded processors to read data present in the L1 Datacache used by other hyperthreads on the same CPU core, potentially leaking sensitive data. (bnc#1087081).
- CVE-2018-3646: Local attackers in virtualized guest systems could use speculative code patterns on hyperthreaded processors to read data present in the L1 Datacache used by other hyperthreads on the same CPU core, potentially leaking sensitive data, even
The SUSE Linux Enterprise 15 kernel was updated to receive various security and bugfixes.
The following security bugs were fixed:
CVE-2018-5390 aka SegmentSmack:
A remote attacker even with relatively low bandwidth could have caused lots of CPU usage
by triggering the worst case scenario during IP and/or TCP fragment reassembly (bsc#1102340)
CVE-2017-18344:
The timer_create syscall implementation didn't properly validate input, which could have lead to out-of-bounds access.
This allowed userspace applications to read arbitrary kernel memory in some setups. (bsc#1102851)
The following non-security bugs were fixed:
- acpi, apei, e
The SUSE Linux Enterprise 15 kernel was updated to receive various security and bugfixes.
The following new feature was added:
- NVDIMM memory error notification (ACPI 6.2)
The following security bugs were fixed:
- CVE-2018-13406: An integer overflow in the uvesafb_setcmap function could
have result in local attackers being able to crash the kernel or potentially
elevate privileges because kmalloc_array is not used (bnc#1100418)
- CVE-2018-13053: The alarm_timer_nsleep function had an integer overflow via a
large relative timeout because ktime_add_safe was not used (bnc#1099924)
- CVE-2018-9385: Prevent overread of the 'driver_over