RHSA-2019:4154 — Security Advisory

Red Hat Security Advisory: kernel-alt security, bug fix, and enhancement update

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Severity

Important

Red Hat Product Security

RHEL 7

Products

Official CSAF product identity

Published · December 10, 2019

Updated · November 2, 2026

Topic

An update for kernel-alt is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

The kernel-alt packages provide the Linux kernel version 4.x.

Security Fix(es):

Kernel: KVM: OOB memory access via mmio ring buffer (CVE-2019-14821)
kernel: Race condition in drivers/md/dm.c:dm_get_from_kobject() allows local users to cause a denial of service (CVE-2017-18203)
kernel: use-after-free Read in vhost_transport_send_pkt (CVE-2018-14625)
kernel: Information leak in cdrom_ioctl_drive_status (CVE-2018-16658)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Bug Fix(es):

IPMI use after free issue seen on Marvell ThunderX2 (BZ#1732163)
kernel: siginfo delivers SEGV_MAPERR instead of SEGV_ACCERR [rhel-alt-7.6.z] (BZ#1757189)

Enhancement(s):

[Marvell 7.7 z-stream BUG] CN99xx: DIMM label not extracted in EDAC hw error log (BZ#1721427)