Alerts This Week
Warning Icon 1 764
Alerts This Week
Warning Icon 1 764

Red Hat Enterprise Linux 7: RHSA-2020-5079 Moderate: Kernel-Alt DoS Fix

red hat
Calendar Grey November 10, 2020
Dist Redhat Esm H88
Kernel-alt security enhancement released for Red Hat Enterprise Linux 7 classified as moderate. Investigate significant patches and issue remedies.
An update for kernel-alt is now available for Red Hat Enterprise Linux 7

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.

Summary

The kernel-alt packages provide the Linux kernel version 4.x.
Security Fix(es):
* kernel: soft-lockups in iov_iter_copy_from_user_atomic() could result in DoS (CVE-2020-25641)
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):
* RHEL-Alt-7.6 - kernel "Oops: Kernel access of bad area" in crypto_unregister_instance while running LTP testcase crypto_user02 (BZ#1882230)

Topics%20covered

Topics Covered

security advisory moderate software update bug fix DoS Red Hat Enterprise Linux kernel-alt

References

https://access.redhat.com/security/cve/CVE-2020-25641 https://access.redhat.com/security/updates/classification#moderate

Package List

Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7):
Source: kernel-alt-4.14.0-115.33.1.el7a.src.rpm
aarch64: kernel-4.14.0-115.33.1.el7a.aarch64.rpm kernel-debug-4.14.0-115.33.1.el7a.aarch64.rpm kernel-debug-debuginfo-4.14.0-115.33.1.el7a.aarch64.rpm kernel-debug-devel-4.14.0-115.33.1.el7a.aarch64.rpm kernel-debuginfo-4.14.0-115.33.1.el7a.aarch64.rpm kernel-debuginfo-common-aarch64-4.14.0-115.33.1.el7a.aarch64.rpm kernel-devel-4.14.0-115.33.1.el7a.aarch64.rpm kernel-headers-4.14.0-115.33.1.el7a.aarch64.rpm kernel-tools-4.14.0-115.33.1.el7a.aarch64.rpm kernel-tools-debuginfo-4.14.0-115.33.1.el7a.aarch64.rpm kernel-tools-libs-4.14.0-115.33.1.el7a.aarch64.rpm perf-4.14.0-115.33.1.el7a.aarch64.rpm perf-debuginfo-4.14.0-115.33.1.el7a.aarch64.rpm python-perf-4.14.0-115.33.1.el7a.aarch64.rpm python-perf-debuginfo-4.14.0-115.33.1.el7a.aarch64.rpm
noarch: kernel-abi-whitelists-4.14.0-115.33.1.el7a.noarch.rpm kernel-doc-4.14.0-115.33.1.el7a.noarch.rpm
ppc64le: kernel-4.14.0-115.33.1.el7a.ppc64le.rpm kernel-bootwrapper-4.14.0-115.33.1.el7a.ppc64le.rpm kernel-debug-4.14.0-115.33.1.el7a.ppc64le.rpm kernel-debug-debuginfo-4.14.0-115.33.1.el7a.ppc64le.rpm kernel-debuginfo-4.14.0-115.33.1.el7a.ppc64le.rpm

Read the Full Advisory


Advisory ID: RHSA-2020:5079-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:5079
Issue date: 2020-11-10

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 impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory moderate software update bug fix DoS Red Hat Enterprise Linux kernel-alt

Relevant Releases Architectures

Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) - aarch64, noarch, ppc64le, s390x

Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) - aarch64, noarch, ppc64le

Bugs Fixed

1881424 - CVE-2020-25641 kernel: soft-lockups in iov_iter_copy_from_user_atomic() could result in DoS

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here