drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Pufferüberlauf in Linux
Name: |
Pufferüberlauf in Linux |
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ID: |
RHSA-2019:2867-01 |
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Distribution: |
Red Hat |
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Plattformen: |
Red Hat Enterprise Linux |
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Datum: |
Mo, 23. September 2019, 16:52 |
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Referenzen: |
https://access.redhat.com/security/vulnerabilities/kernel-vhost
https://access.redhat.com/security/cve/CVE-2019-14835 |
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Applikationen: |
Linux |
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Originalnachricht |
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256
===================================================================== Red Hat Security Advisory
Synopsis: Important: kernel security update Advisory ID: RHSA-2019:2867-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2019:2867 Issue date: 2019-09-23 CVE Names: CVE-2019-14835 =====================================================================
1. Summary:
An update for kernel is now available for Red Hat Enterprise Linux 7.4 Advanced Update Support, Red Hat Enterprise Linux 7.4 Telco Extended Update Support, and Red Hat Enterprise Linux 7.4 Update Services for SAP Solutions.
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. 7.4) - noarch, x86_64 Red Hat Enterprise Linux Server E4S (v. 7.4) - noarch, ppc64le, x86_64 Red Hat Enterprise Linux Server Optional AUS (v. 7.4) - x86_64 Red Hat Enterprise Linux Server Optional E4S (v. 7.4) - ppc64le, x86_64 Red Hat Enterprise Linux Server Optional TUS (v. 7.4) - x86_64 Red Hat Enterprise Linux Server TUS (v. 7.4) - noarch, x86_64
3. Description:
The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
* A buffer overflow flaw was found in the way Linux kernel's vhost functionality that translates virtqueue buffers to IOVs, logged the buffer descriptors during migration. A privileged guest user able to pass descriptors with invalid length to the host when migration is underway, could use this flaw to increase their privileges on the host. (CVE-2019-14835)
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/):
1750727 - CVE-2019-14835 kernel: vhost-net: guest to host kernel escape during migration
6. Package List:
Red Hat Enterprise Linux Server AUS (v. 7.4):
Source: kernel-3.10.0-693.59.1.el7.src.rpm
noarch: kernel-abi-whitelists-3.10.0-693.59.1.el7.noarch.rpm kernel-doc-3.10.0-693.59.1.el7.noarch.rpm
x86_64: kernel-3.10.0-693.59.1.el7.x86_64.rpm kernel-debug-3.10.0-693.59.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-693.59.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-693.59.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-693.59.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-693.59.1.el7.x86_64.rpm kernel-devel-3.10.0-693.59.1.el7.x86_64.rpm kernel-headers-3.10.0-693.59.1.el7.x86_64.rpm kernel-tools-3.10.0-693.59.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-693.59.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-693.59.1.el7.x86_64.rpm perf-3.10.0-693.59.1.el7.x86_64.rpm perf-debuginfo-3.10.0-693.59.1.el7.x86_64.rpm python-perf-3.10.0-693.59.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-693.59.1.el7.x86_64.rpm
Red Hat Enterprise Linux Server E4S (v. 7.4):
Source: kernel-3.10.0-693.59.1.el7.src.rpm
noarch: kernel-abi-whitelists-3.10.0-693.59.1.el7.noarch.rpm kernel-doc-3.10.0-693.59.1.el7.noarch.rpm
ppc64le: kernel-3.10.0-693.59.1.el7.ppc64le.rpm kernel-bootwrapper-3.10.0-693.59.1.el7.ppc64le.rpm kernel-debug-3.10.0-693.59.1.el7.ppc64le.rpm kernel-debug-debuginfo-3.10.0-693.59.1.el7.ppc64le.rpm kernel-debuginfo-3.10.0-693.59.1.el7.ppc64le.rpm kernel-debuginfo-common-ppc64le-3.10.0-693.59.1.el7.ppc64le.rpm kernel-devel-3.10.0-693.59.1.el7.ppc64le.rpm kernel-headers-3.10.0-693.59.1.el7.ppc64le.rpm kernel-tools-3.10.0-693.59.1.el7.ppc64le.rpm kernel-tools-debuginfo-3.10.0-693.59.1.el7.ppc64le.rpm kernel-tools-libs-3.10.0-693.59.1.el7.ppc64le.rpm perf-3.10.0-693.59.1.el7.ppc64le.rpm perf-debuginfo-3.10.0-693.59.1.el7.ppc64le.rpm python-perf-3.10.0-693.59.1.el7.ppc64le.rpm python-perf-debuginfo-3.10.0-693.59.1.el7.ppc64le.rpm
x86_64: kernel-3.10.0-693.59.1.el7.x86_64.rpm kernel-debug-3.10.0-693.59.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-693.59.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-693.59.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-693.59.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-693.59.1.el7.x86_64.rpm kernel-devel-3.10.0-693.59.1.el7.x86_64.rpm kernel-headers-3.10.0-693.59.1.el7.x86_64.rpm kernel-tools-3.10.0-693.59.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-693.59.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-693.59.1.el7.x86_64.rpm perf-3.10.0-693.59.1.el7.x86_64.rpm perf-debuginfo-3.10.0-693.59.1.el7.x86_64.rpm python-perf-3.10.0-693.59.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-693.59.1.el7.x86_64.rpm
Red Hat Enterprise Linux Server TUS (v. 7.4):
Source: kernel-3.10.0-693.59.1.el7.src.rpm
noarch: kernel-abi-whitelists-3.10.0-693.59.1.el7.noarch.rpm kernel-doc-3.10.0-693.59.1.el7.noarch.rpm
x86_64: kernel-3.10.0-693.59.1.el7.x86_64.rpm kernel-debug-3.10.0-693.59.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-693.59.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-693.59.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-693.59.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-693.59.1.el7.x86_64.rpm kernel-devel-3.10.0-693.59.1.el7.x86_64.rpm kernel-headers-3.10.0-693.59.1.el7.x86_64.rpm kernel-tools-3.10.0-693.59.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-693.59.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-693.59.1.el7.x86_64.rpm perf-3.10.0-693.59.1.el7.x86_64.rpm perf-debuginfo-3.10.0-693.59.1.el7.x86_64.rpm python-perf-3.10.0-693.59.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-693.59.1.el7.x86_64.rpm
Red Hat Enterprise Linux Server Optional AUS (v. 7.4):
x86_64: kernel-debug-debuginfo-3.10.0-693.59.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-693.59.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-693.59.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-693.59.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-693.59.1.el7.x86_64.rpm perf-debuginfo-3.10.0-693.59.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-693.59.1.el7.x86_64.rpm
Red Hat Enterprise Linux Server Optional E4S (v. 7.4):
ppc64le: kernel-debug-debuginfo-3.10.0-693.59.1.el7.ppc64le.rpm kernel-debug-devel-3.10.0-693.59.1.el7.ppc64le.rpm kernel-debuginfo-3.10.0-693.59.1.el7.ppc64le.rpm kernel-debuginfo-common-ppc64le-3.10.0-693.59.1.el7.ppc64le.rpm kernel-tools-debuginfo-3.10.0-693.59.1.el7.ppc64le.rpm kernel-tools-libs-devel-3.10.0-693.59.1.el7.ppc64le.rpm perf-debuginfo-3.10.0-693.59.1.el7.ppc64le.rpm python-perf-debuginfo-3.10.0-693.59.1.el7.ppc64le.rpm
x86_64: kernel-debug-debuginfo-3.10.0-693.59.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-693.59.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-693.59.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-693.59.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-693.59.1.el7.x86_64.rpm perf-debuginfo-3.10.0-693.59.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-693.59.1.el7.x86_64.rpm
Red Hat Enterprise Linux Server Optional TUS (v. 7.4):
x86_64: kernel-debug-debuginfo-3.10.0-693.59.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-693.59.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-693.59.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-693.59.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-693.59.1.el7.x86_64.rpm perf-debuginfo-3.10.0-693.59.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-693.59.1.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-2019-14835 https://access.redhat.com/security/updates/classification/#important https://access.redhat.com/security/vulnerabilities/kernel-vhost
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/
Copyright 2019 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1
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