drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Mehrere Probleme in kernel-rt
Name: |
Mehrere Probleme in kernel-rt |
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ID: |
RHSA-2020:0839-01 |
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Distribution: |
Red Hat |
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Plattformen: |
Red Hat Enterprise Linux |
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Datum: |
Di, 17. März 2020, 18:19 |
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Referenzen: |
https://access.redhat.com/security/cve/CVE-2019-17666
https://access.redhat.com/security/cve/CVE-2019-11487
https://access.redhat.com/security/cve/CVE-2019-19338
https://access.redhat.com/solutions/tsx-asynchronousabort |
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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-2020:0839-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2020:0839 Issue date: 2020-03-17 CVE Names: CVE-2019-11487 CVE-2019-17666 CVE-2019-19338 =====================================================================
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: Count overflow in FUSE request leading to use-after-free issues. (CVE-2019-11487)
* kernel: rtl_p2p_noa_ie in drivers/net/wireless/realtek/rtlwifi/ps.c in the Linux kernel lacks a certain upper-bound check, leading to a buffer overflow (CVE-2019-17666)
* Kernel: KVM: export MSR_IA32_TSX_CTRL to guest - incomplete fix for TAA (CVE-2019-11135) (CVE-2019-19338)
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 RHEL7.7.z batch#5 source tree (BZ#1794131)
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/):
1703063 - CVE-2019-11487 kernel: Count overflow in FUSE request leading to use-after-free issues. 1763690 - CVE-2019-17666 kernel: rtl_p2p_noa_ie in drivers/net/wireless/realtek/rtlwifi/ps.c in the Linux kernel lacks a certain upper-bound check, leading to a buffer overflow 1781514 - CVE-2019-19338 Kernel: KVM: export MSR_IA32_TSX_CTRL to guest - incomplete fix for TAA (CVE-2019-11135)
6. Package List:
Red Hat Enterprise Linux for Real Time for NFV (v. 7):
Source: kernel-rt-3.10.0-1062.18.1.rt56.1044.el7.src.rpm
noarch: kernel-rt-doc-3.10.0-1062.18.1.rt56.1044.el7.noarch.rpm
x86_64: kernel-rt-3.10.0-1062.18.1.rt56.1044.el7.x86_64.rpm kernel-rt-debug-3.10.0-1062.18.1.rt56.1044.el7.x86_64.rpm kernel-rt-debug-debuginfo-3.10.0-1062.18.1.rt56.1044.el7.x86_64.rpm kernel-rt-debug-devel-3.10.0-1062.18.1.rt56.1044.el7.x86_64.rpm kernel-rt-debug-kvm-3.10.0-1062.18.1.rt56.1044.el7.x86_64.rpm kernel-rt-debug-kvm-debuginfo-3.10.0-1062.18.1.rt56.1044.el7.x86_64.rpm kernel-rt-debuginfo-3.10.0-1062.18.1.rt56.1044.el7.x86_64.rpm kernel-rt-debuginfo-common-x86_64-3.10.0-1062.18.1.rt56.1044.el7.x86_64.rpm kernel-rt-devel-3.10.0-1062.18.1.rt56.1044.el7.x86_64.rpm kernel-rt-kvm-3.10.0-1062.18.1.rt56.1044.el7.x86_64.rpm kernel-rt-kvm-debuginfo-3.10.0-1062.18.1.rt56.1044.el7.x86_64.rpm kernel-rt-trace-3.10.0-1062.18.1.rt56.1044.el7.x86_64.rpm kernel-rt-trace-debuginfo-3.10.0-1062.18.1.rt56.1044.el7.x86_64.rpm kernel-rt-trace-devel-3.10.0-1062.18.1.rt56.1044.el7.x86_64.rpm kernel-rt-trace-kvm-3.10.0-1062.18.1.rt56.1044.el7.x86_64.rpm kernel-rt-trace-kvm-debuginfo-3.10.0-1062.18.1.rt56.1044.el7.x86_64.rpm
Red Hat Enterprise Linux Realtime (v. 7):
Source: kernel-rt-3.10.0-1062.18.1.rt56.1044.el7.src.rpm
noarch: kernel-rt-doc-3.10.0-1062.18.1.rt56.1044.el7.noarch.rpm
x86_64: kernel-rt-3.10.0-1062.18.1.rt56.1044.el7.x86_64.rpm kernel-rt-debug-3.10.0-1062.18.1.rt56.1044.el7.x86_64.rpm kernel-rt-debug-debuginfo-3.10.0-1062.18.1.rt56.1044.el7.x86_64.rpm kernel-rt-debug-devel-3.10.0-1062.18.1.rt56.1044.el7.x86_64.rpm kernel-rt-debuginfo-3.10.0-1062.18.1.rt56.1044.el7.x86_64.rpm kernel-rt-debuginfo-common-x86_64-3.10.0-1062.18.1.rt56.1044.el7.x86_64.rpm kernel-rt-devel-3.10.0-1062.18.1.rt56.1044.el7.x86_64.rpm kernel-rt-trace-3.10.0-1062.18.1.rt56.1044.el7.x86_64.rpm kernel-rt-trace-debuginfo-3.10.0-1062.18.1.rt56.1044.el7.x86_64.rpm kernel-rt-trace-devel-3.10.0-1062.18.1.rt56.1044.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-2019-11487 https://access.redhat.com/security/cve/CVE-2019-17666 https://access.redhat.com/security/cve/CVE-2019-19338 https://access.redhat.com/security/updates/classification/#important https://access.redhat.com/solutions/tsx-asynchronousabort
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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