drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Mehrere Probleme in kernel-rt
Name: |
Mehrere Probleme in kernel-rt |
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ID: |
RHSA-2019:1891-01 |
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Distribution: |
Red Hat |
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Plattformen: |
Red Hat Enterprise Linux |
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Datum: |
Mo, 29. Juli 2019, 17:41 |
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Referenzen: |
https://access.redhat.com/security/cve/CVE-2018-16884
https://access.redhat.com/security/cve/CVE-2019-11085
https://access.redhat.com/security/cve/CVE-2019-11811
https://access.redhat.com/security/cve/CVE-2018-16871 |
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Applikationen: |
RT-Preempt-Realtime-Patch |
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Originalnachricht |
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256
===================================================================== Red Hat Security Advisory
Synopsis: Important: kernel-rt security and bug fix update Advisory ID: RHSA-2019:1891-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2019:1891 Issue date: 2019-07-29 CVE Names: CVE-2018-16871 CVE-2018-16884 CVE-2019-11085 CVE-2019-11811 =====================================================================
1. Summary:
An update for kernel-rt is now available for Red Hat Enterprise Linux 7.
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 Realtime (v. 7) - noarch, x86_64 Red Hat Enterprise Linux for Real Time for NFV (v. 7) - noarch, x86_64
3. Description:
The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.
Security Fix(es):
* kernel: nfs: use-after-free in svc_process_common() (CVE-2018-16884)
* kernel: insufficient input validation in kernel mode driver in Intel i915 graphics leads to privilege escalation (CVE-2019-11085)
* kernel: nfs: NULL pointer dereference due to an anomalized NFS message sequence (CVE-2018-16871)
* kernel: use-after-free in drivers/char/ipmi/ipmi_si_intf.c, ipmi_si_mem_io.c, ipmi_si_port_io.c (CVE-2019-11811)
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):
* kernel-rt: update to the RHEL7.6.z batch#6 source tree (BZ#1718400)
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/):
1655162 - CVE-2018-16871 kernel: nfs: NULL pointer dereference due to an anomalized NFS message sequence 1660375 - CVE-2018-16884 kernel: nfs: use-after-free in svc_process_common() 1709180 - CVE-2019-11811 kernel: use-after-free in drivers/char/ipmi/ipmi_si_intf.c, ipmi_si_mem_io.c, ipmi_si_port_io.c 1710405 - CVE-2019-11085 kernel: insufficient input validation in kernel mode driver in Intel i915 graphics leads to privilege escalation 1718400 - kernel-rt: update to the RHEL7.6.z batch#6 source tree
6. Package List:
Red Hat Enterprise Linux for Real Time for NFV (v. 7):
Source: kernel-rt-3.10.0-957.27.2.rt56.940.el7.src.rpm
noarch: kernel-rt-doc-3.10.0-957.27.2.rt56.940.el7.noarch.rpm
x86_64: kernel-rt-3.10.0-957.27.2.rt56.940.el7.x86_64.rpm kernel-rt-debug-3.10.0-957.27.2.rt56.940.el7.x86_64.rpm kernel-rt-debug-debuginfo-3.10.0-957.27.2.rt56.940.el7.x86_64.rpm kernel-rt-debug-devel-3.10.0-957.27.2.rt56.940.el7.x86_64.rpm kernel-rt-debug-kvm-3.10.0-957.27.2.rt56.940.el7.x86_64.rpm kernel-rt-debug-kvm-debuginfo-3.10.0-957.27.2.rt56.940.el7.x86_64.rpm kernel-rt-debuginfo-3.10.0-957.27.2.rt56.940.el7.x86_64.rpm kernel-rt-debuginfo-common-x86_64-3.10.0-957.27.2.rt56.940.el7.x86_64.rpm kernel-rt-devel-3.10.0-957.27.2.rt56.940.el7.x86_64.rpm kernel-rt-kvm-3.10.0-957.27.2.rt56.940.el7.x86_64.rpm kernel-rt-kvm-debuginfo-3.10.0-957.27.2.rt56.940.el7.x86_64.rpm kernel-rt-trace-3.10.0-957.27.2.rt56.940.el7.x86_64.rpm kernel-rt-trace-debuginfo-3.10.0-957.27.2.rt56.940.el7.x86_64.rpm kernel-rt-trace-devel-3.10.0-957.27.2.rt56.940.el7.x86_64.rpm kernel-rt-trace-kvm-3.10.0-957.27.2.rt56.940.el7.x86_64.rpm kernel-rt-trace-kvm-debuginfo-3.10.0-957.27.2.rt56.940.el7.x86_64.rpm
Red Hat Enterprise Linux Realtime (v. 7):
Source: kernel-rt-3.10.0-957.27.2.rt56.940.el7.src.rpm
noarch: kernel-rt-doc-3.10.0-957.27.2.rt56.940.el7.noarch.rpm
x86_64: kernel-rt-3.10.0-957.27.2.rt56.940.el7.x86_64.rpm kernel-rt-debug-3.10.0-957.27.2.rt56.940.el7.x86_64.rpm kernel-rt-debug-debuginfo-3.10.0-957.27.2.rt56.940.el7.x86_64.rpm kernel-rt-debug-devel-3.10.0-957.27.2.rt56.940.el7.x86_64.rpm kernel-rt-debuginfo-3.10.0-957.27.2.rt56.940.el7.x86_64.rpm kernel-rt-debuginfo-common-x86_64-3.10.0-957.27.2.rt56.940.el7.x86_64.rpm kernel-rt-devel-3.10.0-957.27.2.rt56.940.el7.x86_64.rpm kernel-rt-trace-3.10.0-957.27.2.rt56.940.el7.x86_64.rpm kernel-rt-trace-debuginfo-3.10.0-957.27.2.rt56.940.el7.x86_64.rpm kernel-rt-trace-devel-3.10.0-957.27.2.rt56.940.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-2018-16871 https://access.redhat.com/security/cve/CVE-2018-16884 https://access.redhat.com/security/cve/CVE-2019-11085 https://access.redhat.com/security/cve/CVE-2019-11811 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/
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