概述

Important: kpatch-patch security update

类型/严重性

Security Advisory: Important

标题

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.

描述

This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel.

Security Fix(es):

• kernel: out-of-bounds read in libiscsi module (CVE-2021-27364)
• kernel: heap buffer overflow in the iSCSI subsystem (CVE-2021-27365)

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.

解决方案

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

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

受影响的产品

• Red Hat Enterprise Linux Server 7 x86_64
• Red Hat Enterprise Linux for Power, little endian 7 ppc64le

修复

• BZ - 1930078 - CVE-2021-27365 kernel: heap buffer overflow in the iSCSI subsystem
• BZ - 1930080 - CVE-2021-27364 kernel: out-of-bounds read in libiscsi module

CVE

• CVE-2021-27364
• CVE-2021-27365

参考