drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Denial of Service in kernel-alt
Name: |
Denial of Service in kernel-alt |
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ID: |
RHSA-2020:5079-01 |
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Distribution: |
Red Hat |
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Plattformen: |
Red Hat Enterprise Linux |
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Datum: |
Di, 10. November 2020, 23:23 |
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Referenzen: |
https://access.redhat.com/security/cve/CVE-2020-25641 |
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Applikationen: |
Linux |
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Originalnachricht |
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256
===================================================================== Red Hat Security Advisory
Synopsis: Moderate: kernel-alt security and bug fix update 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 CVE Names: CVE-2020-25641 =====================================================================
1. Summary:
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 impact of Moderate. 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.
2. 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
3. Description:
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)
4. 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.
5. Bugs fixed (https://bugzilla.redhat.com/):
1881424 - CVE-2020-25641 kernel: soft-lockups in iov_iter_copy_from_user_atomic() could result in DoS
6. 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 kernel-debuginfo-common-ppc64le-4.14.0-115.33.1.el7a.ppc64le.rpm kernel-devel-4.14.0-115.33.1.el7a.ppc64le.rpm kernel-headers-4.14.0-115.33.1.el7a.ppc64le.rpm kernel-tools-4.14.0-115.33.1.el7a.ppc64le.rpm kernel-tools-debuginfo-4.14.0-115.33.1.el7a.ppc64le.rpm kernel-tools-libs-4.14.0-115.33.1.el7a.ppc64le.rpm perf-4.14.0-115.33.1.el7a.ppc64le.rpm perf-debuginfo-4.14.0-115.33.1.el7a.ppc64le.rpm python-perf-4.14.0-115.33.1.el7a.ppc64le.rpm python-perf-debuginfo-4.14.0-115.33.1.el7a.ppc64le.rpm
s390x: kernel-4.14.0-115.33.1.el7a.s390x.rpm kernel-debug-4.14.0-115.33.1.el7a.s390x.rpm kernel-debug-debuginfo-4.14.0-115.33.1.el7a.s390x.rpm kernel-debug-devel-4.14.0-115.33.1.el7a.s390x.rpm kernel-debuginfo-4.14.0-115.33.1.el7a.s390x.rpm kernel-debuginfo-common-s390x-4.14.0-115.33.1.el7a.s390x.rpm kernel-devel-4.14.0-115.33.1.el7a.s390x.rpm kernel-headers-4.14.0-115.33.1.el7a.s390x.rpm kernel-kdump-4.14.0-115.33.1.el7a.s390x.rpm kernel-kdump-debuginfo-4.14.0-115.33.1.el7a.s390x.rpm kernel-kdump-devel-4.14.0-115.33.1.el7a.s390x.rpm perf-4.14.0-115.33.1.el7a.s390x.rpm perf-debuginfo-4.14.0-115.33.1.el7a.s390x.rpm python-perf-4.14.0-115.33.1.el7a.s390x.rpm python-perf-debuginfo-4.14.0-115.33.1.el7a.s390x.rpm
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7):
aarch64: kernel-debug-debuginfo-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-tools-debuginfo-4.14.0-115.33.1.el7a.aarch64.rpm kernel-tools-libs-devel-4.14.0-115.33.1.el7a.aarch64.rpm perf-debuginfo-4.14.0-115.33.1.el7a.aarch64.rpm python-perf-debuginfo-4.14.0-115.33.1.el7a.aarch64.rpm
noarch: kernel-doc-4.14.0-115.33.1.el7a.noarch.rpm
ppc64le: kernel-debug-debuginfo-4.14.0-115.33.1.el7a.ppc64le.rpm kernel-debug-devel-4.14.0-115.33.1.el7a.ppc64le.rpm kernel-debuginfo-4.14.0-115.33.1.el7a.ppc64le.rpm kernel-debuginfo-common-ppc64le-4.14.0-115.33.1.el7a.ppc64le.rpm kernel-tools-debuginfo-4.14.0-115.33.1.el7a.ppc64le.rpm kernel-tools-libs-devel-4.14.0-115.33.1.el7a.ppc64le.rpm perf-debuginfo-4.14.0-115.33.1.el7a.ppc64le.rpm python-perf-debuginfo-4.14.0-115.33.1.el7a.ppc64le.rpm
These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/
7. References:
https://access.redhat.com/security/cve/CVE-2020-25641 https://access.redhat.com/security/updates/classification/#moderate
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/
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