Synopsis
Important: kernel security update
Type/Severity
Security Advisory: Important
Topic
An update for kernel is now available for Red Hat Enterprise Linux 6.
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 packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
- kernel: rtl_p2p_noa_ie in drivers/net/wireless/realtek/rtlwifi/ps.c in the Linux kernel lacks a certain upper-bound check, leading to a buffer overflow (CVE-2019-17666)
- kernel: offset2lib allows for the stack guard page to be jumped over (CVE-2017-1000371)
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
The system must be rebooted for this update to take effect.
Affected Products
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Red Hat Enterprise Linux Server 6 x86_64
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Red Hat Enterprise Linux Server 6 i386
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Red Hat Enterprise Linux Workstation 6 x86_64
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Red Hat Enterprise Linux Workstation 6 i386
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Red Hat Enterprise Linux Desktop 6 x86_64
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Red Hat Enterprise Linux Desktop 6 i386
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Red Hat Enterprise Linux for IBM z Systems 6 s390x
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Red Hat Enterprise Linux for Power, big endian 6 ppc64
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Red Hat Enterprise Linux for Scientific Computing 6 x86_64
Fixes
- BZ - 1462158 - CVE-2017-1000371 kernel: offset2lib allows for the stack guard page to be jumped over
- BZ - 1763690 - CVE-2019-17666 kernel: rtl_p2p_noa_ie in drivers/net/wireless/realtek/rtlwifi/ps.c in the Linux kernel lacks a certain upper-bound check, leading to a buffer overflow
CVEs
References