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SUSE SLED15 / SLES15 Security Update : Linux Azure Kernel (SUSE-SU-2019:2068-1)

Description

The SUSE Linux Enterprise 15 Azure kernel was updated to receive various security and bugfixes. The following security bugs were fixed : CVE-2018-20855: An issue was discovered in create_qp_common, mlx5_ib_create_qp_resp was never initialized, resulting in a leak of stack memory to userspace. (bnc#bsc#1103991) CVE-2019-1125: Fix Spectre V1 variant via swapgs: Exclude ATOMs from speculation through SWAPGS (bsc#1139358). CVE-2019-14284: In the Linux kernel, drivers/block/floppy.c allowed a denial of service by setup_format_params division-by-zero. (bnc#bsc#1143189) 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 can be triggered by an unprivileged local user when a floppy disk has been inserted. NOTE: QEMU creates the floppy device by default. (bsc#1143191) CVE-2019-11810: An issue was discovered in the Linux kernel A NULL pointer dereference can occur when megasas_create_frame_pool() fails in megasas_alloc_cmds() in drivers/scsi/megaraid/megaraid_sas_base.c. This causes a Denial of Service, related to a use-after-free. (bsc#1134399) CVE-2019-13648: In the Linux kernel on the powerpc platform, when hardware transactional memory was disabled, a local user can cause a denial of service via a sigreturn() system call that sends a crafted signal frame. (bnc#1142265) CVE-2019-13631: In parse_hid_report_descriptor, a malicious usb device could send an hid: report that triggered an out-of-bounds write during generation of debugging messages. (bnc#1142023) The update package also includes non-security fixes. See advisory for details. Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.


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