drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Ausführen beliebiger Kommandos in Linux
Name: |
Ausführen beliebiger Kommandos in Linux |
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ID: |
RHSA-2017:0345-01 |
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Distribution: |
Red Hat |
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Plattformen: |
Red Hat Enterprise Linux |
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Datum: |
Di, 28. Februar 2017, 22:36 |
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Referenzen: |
https://access.redhat.com/security/cve/CVE-2017-6074 |
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Applikationen: |
Linux |
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Originalnachricht |
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1
===================================================================== Red Hat Security Advisory
Synopsis: Important: kernel security update Advisory ID: RHSA-2017:0345-01 Product: Red Hat Enterprise Linux Advisory URL: https://rhn.redhat.com/errata/RHSA-2017-0345.html Issue date: 2017-02-28 CVE Names: CVE-2017-6074 =====================================================================
1. Summary:
An update for kernel is now available for Red Hat Enterprise Linux 6.4 Advanced Update Support.
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.
2. Relevant releases/architectures:
Red Hat Enterprise Linux Server AUS (v. 6.4) - noarch, x86_64 Red Hat Enterprise Linux Server Optional AUS (v. 6.4) - x86_64
3. Description:
The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
* A use-after-free flaw was found in the way the Linux kernel's Datagram Congestion Control Protocol (DCCP) implementation freed SKB (socket buffer) resources for a DCCP_PKT_REQUEST packet when the IPV6_RECVPKTINFO option is set on the socket. A local, unprivileged user could use this flaw to alter the kernel memory, allowing them to escalate their privileges on the system. (CVE-2017-6074, Important)
Red Hat would like to thank Andrey Konovalov (Google) for reporting this issue.
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/):
1423071 - CVE-2017-6074 kernel: use after free in dccp protocol
6. Package List:
Red Hat Enterprise Linux Server AUS (v. 6.4):
Source: kernel-2.6.32-358.77.1.el6.src.rpm
noarch: kernel-doc-2.6.32-358.77.1.el6.noarch.rpm kernel-firmware-2.6.32-358.77.1.el6.noarch.rpm
x86_64: kernel-2.6.32-358.77.1.el6.x86_64.rpm kernel-debug-2.6.32-358.77.1.el6.x86_64.rpm kernel-debug-debuginfo-2.6.32-358.77.1.el6.x86_64.rpm kernel-debug-devel-2.6.32-358.77.1.el6.x86_64.rpm kernel-debuginfo-2.6.32-358.77.1.el6.x86_64.rpm kernel-debuginfo-common-x86_64-2.6.32-358.77.1.el6.x86_64.rpm kernel-devel-2.6.32-358.77.1.el6.x86_64.rpm kernel-headers-2.6.32-358.77.1.el6.x86_64.rpm perf-2.6.32-358.77.1.el6.x86_64.rpm perf-debuginfo-2.6.32-358.77.1.el6.x86_64.rpm python-perf-debuginfo-2.6.32-358.77.1.el6.x86_64.rpm
Red Hat Enterprise Linux Server Optional AUS (v. 6.4):
Source: kernel-2.6.32-358.77.1.el6.src.rpm
x86_64: kernel-debug-debuginfo-2.6.32-358.77.1.el6.x86_64.rpm kernel-debuginfo-2.6.32-358.77.1.el6.x86_64.rpm kernel-debuginfo-common-x86_64-2.6.32-358.77.1.el6.x86_64.rpm perf-debuginfo-2.6.32-358.77.1.el6.x86_64.rpm python-perf-2.6.32-358.77.1.el6.x86_64.rpm python-perf-debuginfo-2.6.32-358.77.1.el6.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-2017-6074 https://access.redhat.com/security/updates/classification/#important
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/
Copyright 2017 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1
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