SUSE-SU-2019:0754-1

SUSE-SU-2019:0754-1 · Security update for the Linux Kernel (Live Patch 19 for SLE 12 SP3)

This page contains facts from public vulnerability sources. Check the original advisory before updating.

This update for the Linux Kernel 4.4.156-94_61 fixes several issues. The following security issues were fixed: - CVE-2019-9213: Expand_downwards in mm/mmap.c lacked 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 (bsc#1128378). - CVE-2019-7221: Fixed a user-after-free vulnerability in the KVM hypervisor related to the emulation of a preemption timer, allowing an guest user/process to crash the host kernel. (bsc#1124734). - CVE-2019-6974: kvm_ioctl_create_device in virt/kvm/kvm_main.c mishandled reference counting because of a race condition, leading to a use-after-free (bsc#1124729).

Fix available

Published

2019-03-26T14:59:42Z

Updated

2026-02-04T04:01:46.626193Z

Stack: system

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