drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Zwei Probleme in Linux
Name: |
Zwei Probleme in Linux |
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ID: |
RHSA-2021:0526-01 |
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Distribution: |
Red Hat |
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Plattformen: |
Red Hat Enterprise Linux |
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Datum: |
Mi, 17. Februar 2021, 06:22 |
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Referenzen: |
https://access.redhat.com/security/cve/CVE-2020-24394
https://access.redhat.com/security/cve/CVE-2020-25212 |
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Applikationen: |
Linux |
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Originalnachricht |
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256
===================================================================== Red Hat Security Advisory
Synopsis: Moderate: kernel security and bug fix update Advisory ID: RHSA-2021:0526-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:0526 Issue date: 2021-02-16 CVE Names: CVE-2020-24394 CVE-2020-25212 =====================================================================
1. Summary:
An update for kernel is now available for Red Hat Enterprise Linux 7.7 Extended Update Support.
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 ComputeNode EUS (v. 7.7) - noarch, x86_64 Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.7) - x86_64 Red Hat Enterprise Linux Server EUS (v. 7.7) - noarch, ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Server Optional EUS (v. 7.7) - ppc64, ppc64le, x86_64
3. Description:
The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
* kernel: umask not applied on filesystem without ACL support (CVE-2020-24394)
* kernel: TOCTOU mismatch in the NFS client code (CVE-2020-25212)
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):
* Security patch for CVE-2020-25212 breaks directory listings via 'ls' on NFS V4.2 shares mounted with selinux enabled labels (BZ#1919145)
* Panic in semctl_nolock.constprop.15+0x25b (BZ#1919307)
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/):
1869141 - CVE-2020-24394 kernel: umask not applied on filesystem without ACL support 1877575 - CVE-2020-25212 kernel: TOCTOU mismatch in the NFS client code
6. Package List:
Red Hat Enterprise Linux ComputeNode EUS (v. 7.7):
Source: kernel-3.10.0-1062.45.1.el7.src.rpm
noarch: kernel-abi-whitelists-3.10.0-1062.45.1.el7.noarch.rpm kernel-doc-3.10.0-1062.45.1.el7.noarch.rpm
x86_64: bpftool-3.10.0-1062.45.1.el7.x86_64.rpm bpftool-debuginfo-3.10.0-1062.45.1.el7.x86_64.rpm kernel-3.10.0-1062.45.1.el7.x86_64.rpm kernel-debug-3.10.0-1062.45.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-1062.45.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-1062.45.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-1062.45.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-1062.45.1.el7.x86_64.rpm kernel-devel-3.10.0-1062.45.1.el7.x86_64.rpm kernel-headers-3.10.0-1062.45.1.el7.x86_64.rpm kernel-tools-3.10.0-1062.45.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-1062.45.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-1062.45.1.el7.x86_64.rpm perf-3.10.0-1062.45.1.el7.x86_64.rpm perf-debuginfo-3.10.0-1062.45.1.el7.x86_64.rpm python-perf-3.10.0-1062.45.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-1062.45.1.el7.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.7):
x86_64: bpftool-debuginfo-3.10.0-1062.45.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-1062.45.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-1062.45.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-1062.45.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-1062.45.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-1062.45.1.el7.x86_64.rpm perf-debuginfo-3.10.0-1062.45.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-1062.45.1.el7.x86_64.rpm
Red Hat Enterprise Linux Server EUS (v. 7.7):
Source: kernel-3.10.0-1062.45.1.el7.src.rpm
noarch: kernel-abi-whitelists-3.10.0-1062.45.1.el7.noarch.rpm kernel-doc-3.10.0-1062.45.1.el7.noarch.rpm
ppc64: bpftool-3.10.0-1062.45.1.el7.ppc64.rpm bpftool-debuginfo-3.10.0-1062.45.1.el7.ppc64.rpm kernel-3.10.0-1062.45.1.el7.ppc64.rpm kernel-bootwrapper-3.10.0-1062.45.1.el7.ppc64.rpm kernel-debug-3.10.0-1062.45.1.el7.ppc64.rpm kernel-debug-debuginfo-3.10.0-1062.45.1.el7.ppc64.rpm kernel-debug-devel-3.10.0-1062.45.1.el7.ppc64.rpm kernel-debuginfo-3.10.0-1062.45.1.el7.ppc64.rpm kernel-debuginfo-common-ppc64-3.10.0-1062.45.1.el7.ppc64.rpm kernel-devel-3.10.0-1062.45.1.el7.ppc64.rpm kernel-headers-3.10.0-1062.45.1.el7.ppc64.rpm kernel-tools-3.10.0-1062.45.1.el7.ppc64.rpm kernel-tools-debuginfo-3.10.0-1062.45.1.el7.ppc64.rpm kernel-tools-libs-3.10.0-1062.45.1.el7.ppc64.rpm perf-3.10.0-1062.45.1.el7.ppc64.rpm perf-debuginfo-3.10.0-1062.45.1.el7.ppc64.rpm python-perf-3.10.0-1062.45.1.el7.ppc64.rpm python-perf-debuginfo-3.10.0-1062.45.1.el7.ppc64.rpm
ppc64le: bpftool-3.10.0-1062.45.1.el7.ppc64le.rpm bpftool-debuginfo-3.10.0-1062.45.1.el7.ppc64le.rpm kernel-3.10.0-1062.45.1.el7.ppc64le.rpm kernel-bootwrapper-3.10.0-1062.45.1.el7.ppc64le.rpm kernel-debug-3.10.0-1062.45.1.el7.ppc64le.rpm kernel-debug-debuginfo-3.10.0-1062.45.1.el7.ppc64le.rpm kernel-debuginfo-3.10.0-1062.45.1.el7.ppc64le.rpm kernel-debuginfo-common-ppc64le-3.10.0-1062.45.1.el7.ppc64le.rpm kernel-devel-3.10.0-1062.45.1.el7.ppc64le.rpm kernel-headers-3.10.0-1062.45.1.el7.ppc64le.rpm kernel-tools-3.10.0-1062.45.1.el7.ppc64le.rpm kernel-tools-debuginfo-3.10.0-1062.45.1.el7.ppc64le.rpm kernel-tools-libs-3.10.0-1062.45.1.el7.ppc64le.rpm perf-3.10.0-1062.45.1.el7.ppc64le.rpm perf-debuginfo-3.10.0-1062.45.1.el7.ppc64le.rpm python-perf-3.10.0-1062.45.1.el7.ppc64le.rpm python-perf-debuginfo-3.10.0-1062.45.1.el7.ppc64le.rpm
s390x: bpftool-3.10.0-1062.45.1.el7.s390x.rpm bpftool-debuginfo-3.10.0-1062.45.1.el7.s390x.rpm kernel-3.10.0-1062.45.1.el7.s390x.rpm kernel-debug-3.10.0-1062.45.1.el7.s390x.rpm kernel-debug-debuginfo-3.10.0-1062.45.1.el7.s390x.rpm kernel-debug-devel-3.10.0-1062.45.1.el7.s390x.rpm kernel-debuginfo-3.10.0-1062.45.1.el7.s390x.rpm kernel-debuginfo-common-s390x-3.10.0-1062.45.1.el7.s390x.rpm kernel-devel-3.10.0-1062.45.1.el7.s390x.rpm kernel-headers-3.10.0-1062.45.1.el7.s390x.rpm kernel-kdump-3.10.0-1062.45.1.el7.s390x.rpm kernel-kdump-debuginfo-3.10.0-1062.45.1.el7.s390x.rpm kernel-kdump-devel-3.10.0-1062.45.1.el7.s390x.rpm perf-3.10.0-1062.45.1.el7.s390x.rpm perf-debuginfo-3.10.0-1062.45.1.el7.s390x.rpm python-perf-3.10.0-1062.45.1.el7.s390x.rpm python-perf-debuginfo-3.10.0-1062.45.1.el7.s390x.rpm
x86_64: bpftool-3.10.0-1062.45.1.el7.x86_64.rpm bpftool-debuginfo-3.10.0-1062.45.1.el7.x86_64.rpm kernel-3.10.0-1062.45.1.el7.x86_64.rpm kernel-debug-3.10.0-1062.45.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-1062.45.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-1062.45.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-1062.45.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-1062.45.1.el7.x86_64.rpm kernel-devel-3.10.0-1062.45.1.el7.x86_64.rpm kernel-headers-3.10.0-1062.45.1.el7.x86_64.rpm kernel-tools-3.10.0-1062.45.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-1062.45.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-1062.45.1.el7.x86_64.rpm perf-3.10.0-1062.45.1.el7.x86_64.rpm perf-debuginfo-3.10.0-1062.45.1.el7.x86_64.rpm python-perf-3.10.0-1062.45.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-1062.45.1.el7.x86_64.rpm
Red Hat Enterprise Linux Server Optional EUS (v. 7.7):
ppc64: bpftool-debuginfo-3.10.0-1062.45.1.el7.ppc64.rpm kernel-debug-debuginfo-3.10.0-1062.45.1.el7.ppc64.rpm kernel-debuginfo-3.10.0-1062.45.1.el7.ppc64.rpm kernel-debuginfo-common-ppc64-3.10.0-1062.45.1.el7.ppc64.rpm kernel-tools-debuginfo-3.10.0-1062.45.1.el7.ppc64.rpm kernel-tools-libs-devel-3.10.0-1062.45.1.el7.ppc64.rpm perf-debuginfo-3.10.0-1062.45.1.el7.ppc64.rpm python-perf-debuginfo-3.10.0-1062.45.1.el7.ppc64.rpm
ppc64le: bpftool-debuginfo-3.10.0-1062.45.1.el7.ppc64le.rpm kernel-debug-debuginfo-3.10.0-1062.45.1.el7.ppc64le.rpm kernel-debug-devel-3.10.0-1062.45.1.el7.ppc64le.rpm kernel-debuginfo-3.10.0-1062.45.1.el7.ppc64le.rpm kernel-debuginfo-common-ppc64le-3.10.0-1062.45.1.el7.ppc64le.rpm kernel-tools-debuginfo-3.10.0-1062.45.1.el7.ppc64le.rpm kernel-tools-libs-devel-3.10.0-1062.45.1.el7.ppc64le.rpm perf-debuginfo-3.10.0-1062.45.1.el7.ppc64le.rpm python-perf-debuginfo-3.10.0-1062.45.1.el7.ppc64le.rpm
x86_64: bpftool-debuginfo-3.10.0-1062.45.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-1062.45.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-1062.45.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-1062.45.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-1062.45.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-1062.45.1.el7.x86_64.rpm perf-debuginfo-3.10.0-1062.45.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-1062.45.1.el7.x86_64.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-2020-24394 https://access.redhat.com/security/cve/CVE-2020-25212 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/
Copyright 2021 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1
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