Skip to navigation Skip to main content

Utilities

  • Subscriptions
  • Downloads
  • Red Hat Console
  • Get Support
Red Hat Customer Portal
  • Subscriptions
  • Downloads
  • Red Hat Console
  • Get Support
  • Products

    Top Products

    • Red Hat Enterprise Linux
    • Red Hat OpenShift
    • Red Hat Ansible Automation Platform
    All Products

    Downloads and Containers

    • Downloads
    • Packages
    • Containers

    Top Resources

    • Documentation
    • Product Life Cycles
    • Product Compliance
    • Errata
  • Knowledge

    Red Hat Knowledge Center

    • Knowledgebase Solutions
    • Knowledgebase Articles
    • Customer Portal Labs
    • Errata

    Top Product Docs

    • Red Hat Enterprise Linux
    • Red Hat OpenShift
    • Red Hat Ansible Automation Platform
    All Product Docs

    Training and Certification

    • About
    • Course Index
    • Certification Index
    • Skill Assessment
  • Security

    Red Hat Product Security Center

    • Security Updates
    • Security Advisories
    • Red Hat CVE Database
    • Errata

    References

    • Security Bulletins
    • Security Measurement
    • Severity Ratings
    • Security Data

    Top Resources

    • Security Labs
    • Backporting Policies
    • Security Blog
  • Support

    Red Hat Support

    • Support Cases
    • Troubleshoot
    • Get Support
    • Contact Red Hat Support

    Red Hat Community Support

    • Customer Portal Community
    • Community Discussions
    • Red Hat Accelerator Program

    Top Resources

    • Product Life Cycles
    • Customer Portal Labs
    • Red Hat JBoss Supported Configurations
    • Red Hat Insights
Or troubleshoot an issue.

Select Your Language

  • English
  • Français
  • 한국어
  • 日本語
  • 中文 (中国)

Infrastructure and Management

  • Red Hat Enterprise Linux
  • Red Hat Satellite
  • Red Hat Subscription Management
  • Red Hat Insights
  • Red Hat Ansible Automation Platform

Cloud Computing

  • Red Hat OpenShift
  • Red Hat OpenStack Platform
  • Red Hat OpenShift
  • Red Hat OpenShift AI
  • Red Hat OpenShift Dedicated
  • Red Hat Advanced Cluster Security for Kubernetes
  • Red Hat Advanced Cluster Management for Kubernetes
  • Red Hat Quay
  • Red Hat OpenShift Dev Spaces
  • Red Hat OpenShift Service on AWS

Storage

  • Red Hat Gluster Storage
  • Red Hat Hyperconverged Infrastructure
  • Red Hat Ceph Storage
  • Red Hat OpenShift Data Foundation

Runtimes

  • Red Hat Runtimes
  • Red Hat JBoss Enterprise Application Platform
  • Red Hat Data Grid
  • Red Hat JBoss Web Server
  • Red Hat build of Keycloak
  • Red Hat support for Spring Boot
  • Red Hat build of Node.js
  • Red Hat build of Quarkus

Integration and Automation

  • Red Hat Application Foundations
  • Red Hat Fuse
  • Red Hat AMQ
  • Red Hat 3scale API Management
All Products
Red Hat Product Errata RHSA-2019:2854 - Security Advisory
Issued:
2019-09-21
Updated:
2019-09-21

RHSA-2019:2854 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Important: kpatch-patch security update

Type/Severity

Security Advisory: Important

Red Hat Insights patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

An update for kpatch-patch 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

This is a kernel live patch module which can be loaded by the kpatch command line utility to modify the code of a running kernel.

Security Fix(es):

  • A buffer overflow flaw was found in the way Linux kernel's vhost functionality that translates virtqueue buffers to IOVs, logged the buffer descriptors during migration. A privileged guest user able to pass descriptors with invalid length to the host when migration is underway, could use this flaw to increase their privileges on the host. (CVE-2019-14835)

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.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

  • Red Hat Enterprise Linux Server 7 x86_64
  • Red Hat Enterprise Linux for x86_64 - Extended Update Support 7.7 x86_64
  • Red Hat Enterprise Linux Server - AUS 7.7 x86_64
  • Red Hat Enterprise Linux Server - Extended Life Cycle Support 7 x86_64
  • Red Hat Enterprise Linux for Power, little endian 7 ppc64le
  • Red Hat Enterprise Linux for Power, little endian - Extended Update Support 7.7 ppc64le
  • Red Hat Enterprise Linux Server - TUS 7.7 x86_64
  • Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 7.7 ppc64le
  • Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 7.7 x86_64
  • Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, little endian 7 ppc64le

Fixes

  • BZ - 1750727 - CVE-2019-14835 kernel: vhost-net: guest to host kernel escape during migration

CVEs

  • CVE-2019-14835

References

  • https://access.redhat.com/security/updates/classification/#important
  • https://access.redhat.com/security/vulnerabilities/kernel-vhost
Note: More recent versions of these packages may be available. Click a package name for more details.

Red Hat Enterprise Linux Server 7

SRPM
kpatch-patch-3_10_0-1062-1-1.el7.src.rpm SHA-256: 055760f82f6af380118f4d977effaee0ab2d22b2551a3798bc7f55e019cd30c7
kpatch-patch-3_10_0-1062_1_1-1-1.el7.src.rpm SHA-256: 8fa03cb2696620839cf560caeac048483a614f23f07a4e2d582609e1331bc4bc
x86_64
kpatch-patch-3_10_0-1062-1-1.el7.x86_64.rpm SHA-256: df231b0fa1284373b3086b495e7821063754397bf6a601e89930d6921b5626a7
kpatch-patch-3_10_0-1062-debuginfo-1-1.el7.x86_64.rpm SHA-256: b70bd645699ee0e45d1fe5cfa1baa5bffa0637baa28794727d0cd1410e0c887c
kpatch-patch-3_10_0-1062_1_1-1-1.el7.x86_64.rpm SHA-256: 20f627b5bc1d4e906c9c6062f1b9108cb8a4b6c179c3a192befb96d8fb93e861
kpatch-patch-3_10_0-1062_1_1-debuginfo-1-1.el7.x86_64.rpm SHA-256: ba1215b8897368240ac450a5e9976c106ec3e89632011d878430d0890dfaf7b0

Red Hat Enterprise Linux for x86_64 - Extended Update Support 7.7

SRPM
kpatch-patch-3_10_0-1062-1-1.el7.src.rpm SHA-256: 055760f82f6af380118f4d977effaee0ab2d22b2551a3798bc7f55e019cd30c7
kpatch-patch-3_10_0-1062_1_1-1-1.el7.src.rpm SHA-256: 8fa03cb2696620839cf560caeac048483a614f23f07a4e2d582609e1331bc4bc
x86_64
kpatch-patch-3_10_0-1062-1-1.el7.x86_64.rpm SHA-256: df231b0fa1284373b3086b495e7821063754397bf6a601e89930d6921b5626a7
kpatch-patch-3_10_0-1062-debuginfo-1-1.el7.x86_64.rpm SHA-256: b70bd645699ee0e45d1fe5cfa1baa5bffa0637baa28794727d0cd1410e0c887c
kpatch-patch-3_10_0-1062_1_1-1-1.el7.x86_64.rpm SHA-256: 20f627b5bc1d4e906c9c6062f1b9108cb8a4b6c179c3a192befb96d8fb93e861
kpatch-patch-3_10_0-1062_1_1-debuginfo-1-1.el7.x86_64.rpm SHA-256: ba1215b8897368240ac450a5e9976c106ec3e89632011d878430d0890dfaf7b0

Red Hat Enterprise Linux Server - AUS 7.7

SRPM
kpatch-patch-3_10_0-1062-1-1.el7.src.rpm SHA-256: 055760f82f6af380118f4d977effaee0ab2d22b2551a3798bc7f55e019cd30c7
kpatch-patch-3_10_0-1062_1_1-1-1.el7.src.rpm SHA-256: 8fa03cb2696620839cf560caeac048483a614f23f07a4e2d582609e1331bc4bc
x86_64
kpatch-patch-3_10_0-1062-1-1.el7.x86_64.rpm SHA-256: df231b0fa1284373b3086b495e7821063754397bf6a601e89930d6921b5626a7
kpatch-patch-3_10_0-1062-debuginfo-1-1.el7.x86_64.rpm SHA-256: b70bd645699ee0e45d1fe5cfa1baa5bffa0637baa28794727d0cd1410e0c887c
kpatch-patch-3_10_0-1062_1_1-1-1.el7.x86_64.rpm SHA-256: 20f627b5bc1d4e906c9c6062f1b9108cb8a4b6c179c3a192befb96d8fb93e861
kpatch-patch-3_10_0-1062_1_1-debuginfo-1-1.el7.x86_64.rpm SHA-256: ba1215b8897368240ac450a5e9976c106ec3e89632011d878430d0890dfaf7b0

Red Hat Enterprise Linux Server - Extended Life Cycle Support 7

SRPM
kpatch-patch-3_10_0-1062-1-1.el7.src.rpm SHA-256: 055760f82f6af380118f4d977effaee0ab2d22b2551a3798bc7f55e019cd30c7
kpatch-patch-3_10_0-1062_1_1-1-1.el7.src.rpm SHA-256: 8fa03cb2696620839cf560caeac048483a614f23f07a4e2d582609e1331bc4bc
x86_64
kpatch-patch-3_10_0-1062-1-1.el7.x86_64.rpm SHA-256: df231b0fa1284373b3086b495e7821063754397bf6a601e89930d6921b5626a7
kpatch-patch-3_10_0-1062-debuginfo-1-1.el7.x86_64.rpm SHA-256: b70bd645699ee0e45d1fe5cfa1baa5bffa0637baa28794727d0cd1410e0c887c
kpatch-patch-3_10_0-1062_1_1-1-1.el7.x86_64.rpm SHA-256: 20f627b5bc1d4e906c9c6062f1b9108cb8a4b6c179c3a192befb96d8fb93e861
kpatch-patch-3_10_0-1062_1_1-debuginfo-1-1.el7.x86_64.rpm SHA-256: ba1215b8897368240ac450a5e9976c106ec3e89632011d878430d0890dfaf7b0

Red Hat Enterprise Linux for Power, little endian 7

SRPM
kpatch-patch-3_10_0-1062-1-1.el7.src.rpm SHA-256: 055760f82f6af380118f4d977effaee0ab2d22b2551a3798bc7f55e019cd30c7
kpatch-patch-3_10_0-1062_1_1-1-1.el7.src.rpm SHA-256: 8fa03cb2696620839cf560caeac048483a614f23f07a4e2d582609e1331bc4bc
ppc64le
kpatch-patch-3_10_0-1062-1-1.el7.ppc64le.rpm SHA-256: ed9eeefb89183553ba5d6b238dbfd6ef02e2931185d151aaf6827f6bb1a33504
kpatch-patch-3_10_0-1062-debuginfo-1-1.el7.ppc64le.rpm SHA-256: f86d442a4cb8fa9072649db8aa6682d4aab3a9ebba13d56b8c22fa7187364c41
kpatch-patch-3_10_0-1062_1_1-1-1.el7.ppc64le.rpm SHA-256: d0ee223793df2d7df7bdc2420060faa3ba9510dda7d864d3d5b99230332265fc
kpatch-patch-3_10_0-1062_1_1-debuginfo-1-1.el7.ppc64le.rpm SHA-256: fa393c3c5e36db2ec38a03efaf6047dbdf4ac9a803a784c29cb20f69f7df5ee8

Red Hat Enterprise Linux for Power, little endian - Extended Update Support 7.7

SRPM
kpatch-patch-3_10_0-1062-1-1.el7.src.rpm SHA-256: 055760f82f6af380118f4d977effaee0ab2d22b2551a3798bc7f55e019cd30c7
kpatch-patch-3_10_0-1062_1_1-1-1.el7.src.rpm SHA-256: 8fa03cb2696620839cf560caeac048483a614f23f07a4e2d582609e1331bc4bc
ppc64le
kpatch-patch-3_10_0-1062-1-1.el7.ppc64le.rpm SHA-256: ed9eeefb89183553ba5d6b238dbfd6ef02e2931185d151aaf6827f6bb1a33504
kpatch-patch-3_10_0-1062-debuginfo-1-1.el7.ppc64le.rpm SHA-256: f86d442a4cb8fa9072649db8aa6682d4aab3a9ebba13d56b8c22fa7187364c41
kpatch-patch-3_10_0-1062_1_1-1-1.el7.ppc64le.rpm SHA-256: d0ee223793df2d7df7bdc2420060faa3ba9510dda7d864d3d5b99230332265fc
kpatch-patch-3_10_0-1062_1_1-debuginfo-1-1.el7.ppc64le.rpm SHA-256: fa393c3c5e36db2ec38a03efaf6047dbdf4ac9a803a784c29cb20f69f7df5ee8

Red Hat Enterprise Linux Server - TUS 7.7

SRPM
kpatch-patch-3_10_0-1062-1-1.el7.src.rpm SHA-256: 055760f82f6af380118f4d977effaee0ab2d22b2551a3798bc7f55e019cd30c7
kpatch-patch-3_10_0-1062_1_1-1-1.el7.src.rpm SHA-256: 8fa03cb2696620839cf560caeac048483a614f23f07a4e2d582609e1331bc4bc
x86_64
kpatch-patch-3_10_0-1062-1-1.el7.x86_64.rpm SHA-256: df231b0fa1284373b3086b495e7821063754397bf6a601e89930d6921b5626a7
kpatch-patch-3_10_0-1062-debuginfo-1-1.el7.x86_64.rpm SHA-256: b70bd645699ee0e45d1fe5cfa1baa5bffa0637baa28794727d0cd1410e0c887c
kpatch-patch-3_10_0-1062_1_1-1-1.el7.x86_64.rpm SHA-256: 20f627b5bc1d4e906c9c6062f1b9108cb8a4b6c179c3a192befb96d8fb93e861
kpatch-patch-3_10_0-1062_1_1-debuginfo-1-1.el7.x86_64.rpm SHA-256: ba1215b8897368240ac450a5e9976c106ec3e89632011d878430d0890dfaf7b0

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 7.7

SRPM
kpatch-patch-3_10_0-1062-1-1.el7.src.rpm SHA-256: 055760f82f6af380118f4d977effaee0ab2d22b2551a3798bc7f55e019cd30c7
kpatch-patch-3_10_0-1062_1_1-1-1.el7.src.rpm SHA-256: 8fa03cb2696620839cf560caeac048483a614f23f07a4e2d582609e1331bc4bc
ppc64le
kpatch-patch-3_10_0-1062-1-1.el7.ppc64le.rpm SHA-256: ed9eeefb89183553ba5d6b238dbfd6ef02e2931185d151aaf6827f6bb1a33504
kpatch-patch-3_10_0-1062-debuginfo-1-1.el7.ppc64le.rpm SHA-256: f86d442a4cb8fa9072649db8aa6682d4aab3a9ebba13d56b8c22fa7187364c41
kpatch-patch-3_10_0-1062_1_1-1-1.el7.ppc64le.rpm SHA-256: d0ee223793df2d7df7bdc2420060faa3ba9510dda7d864d3d5b99230332265fc
kpatch-patch-3_10_0-1062_1_1-debuginfo-1-1.el7.ppc64le.rpm SHA-256: fa393c3c5e36db2ec38a03efaf6047dbdf4ac9a803a784c29cb20f69f7df5ee8

Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 7.7

SRPM
kpatch-patch-3_10_0-1062-1-1.el7.src.rpm SHA-256: 055760f82f6af380118f4d977effaee0ab2d22b2551a3798bc7f55e019cd30c7
kpatch-patch-3_10_0-1062_1_1-1-1.el7.src.rpm SHA-256: 8fa03cb2696620839cf560caeac048483a614f23f07a4e2d582609e1331bc4bc
x86_64
kpatch-patch-3_10_0-1062-1-1.el7.x86_64.rpm SHA-256: df231b0fa1284373b3086b495e7821063754397bf6a601e89930d6921b5626a7
kpatch-patch-3_10_0-1062-debuginfo-1-1.el7.x86_64.rpm SHA-256: b70bd645699ee0e45d1fe5cfa1baa5bffa0637baa28794727d0cd1410e0c887c
kpatch-patch-3_10_0-1062_1_1-1-1.el7.x86_64.rpm SHA-256: 20f627b5bc1d4e906c9c6062f1b9108cb8a4b6c179c3a192befb96d8fb93e861
kpatch-patch-3_10_0-1062_1_1-debuginfo-1-1.el7.x86_64.rpm SHA-256: ba1215b8897368240ac450a5e9976c106ec3e89632011d878430d0890dfaf7b0

Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, little endian 7

SRPM
kpatch-patch-3_10_0-1062-1-1.el7.src.rpm SHA-256: 055760f82f6af380118f4d977effaee0ab2d22b2551a3798bc7f55e019cd30c7
kpatch-patch-3_10_0-1062_1_1-1-1.el7.src.rpm SHA-256: 8fa03cb2696620839cf560caeac048483a614f23f07a4e2d582609e1331bc4bc
ppc64le
kpatch-patch-3_10_0-1062-1-1.el7.ppc64le.rpm SHA-256: ed9eeefb89183553ba5d6b238dbfd6ef02e2931185d151aaf6827f6bb1a33504
kpatch-patch-3_10_0-1062-debuginfo-1-1.el7.ppc64le.rpm SHA-256: f86d442a4cb8fa9072649db8aa6682d4aab3a9ebba13d56b8c22fa7187364c41
kpatch-patch-3_10_0-1062_1_1-1-1.el7.ppc64le.rpm SHA-256: d0ee223793df2d7df7bdc2420060faa3ba9510dda7d864d3d5b99230332265fc
kpatch-patch-3_10_0-1062_1_1-debuginfo-1-1.el7.ppc64le.rpm SHA-256: fa393c3c5e36db2ec38a03efaf6047dbdf4ac9a803a784c29cb20f69f7df5ee8

The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.

Red Hat LinkedIn YouTube Facebook X, formerly Twitter

Quick Links

  • Downloads
  • Subscriptions
  • Support Cases
  • Customer Service
  • Product Documentation

Help

  • Contact Us
  • Customer Portal FAQ
  • Log-in Assistance

Site Info

  • Trust Red Hat
  • Browser Support Policy
  • Accessibility
  • Awards and Recognition
  • Colophon

Related Sites

  • redhat.com
  • developers.redhat.com
  • connect.redhat.com
  • cloud.redhat.com

Red Hat legal and privacy links

  • About Red Hat
  • Jobs
  • Events
  • Locations
  • Contact Red Hat
  • Red Hat Blog
  • Inclusion at Red Hat
  • Cool Stuff Store
  • Red Hat Summit
© 2025 Red Hat

Red Hat legal and privacy links

  • Privacy statement
  • Terms of use
  • All policies and guidelines
  • Digital accessibility