Synopsis
Important: kernel security update
Type/Severity
Security Advisory: Important
Topic
An update for kernel is now available for Red Hat Enterprise Linux 8.
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: net: bluetooth: heap buffer overflow when processing extended advertising report events (CVE-2020-24490)
- kernel: Red Hat only CVE-2020-12351 regression (CVE-2020-25661)
- kernel: Red Hat only CVE-2020-12352 regression (CVE-2020-25662)
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
-
Red Hat Enterprise Linux for x86_64 8 x86_64
-
Red Hat Enterprise Linux for IBM z Systems 8 s390x
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Red Hat Enterprise Linux for Power, little endian 8 ppc64le
-
Red Hat Enterprise Linux for ARM 64 8 aarch64
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Red Hat CodeReady Linux Builder for x86_64 8 x86_64
-
Red Hat CodeReady Linux Builder for Power, little endian 8 ppc64le
-
Red Hat CodeReady Linux Builder for ARM 64 8 aarch64
Fixes
- BZ - 1888449 - CVE-2020-24490 kernel: net: bluetooth: heap buffer overflow when processing extended advertising report events
- BZ - 1891483 - CVE-2020-25661 kernel: Red Hat only CVE-2020-12351 regression
- BZ - 1891484 - CVE-2020-25662 kernel: Red Hat only CVE-2020-12352 regression
CVEs
References
Vulmon