drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Mehrere Probleme in kernel-rt
Name: |
Mehrere Probleme in kernel-rt |
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ID: |
RHSA-2021:0857-01 |
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Distribution: |
Red Hat |
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Plattformen: |
Red Hat Enterprise Linux |
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Datum: |
Mi, 17. März 2021, 07:15 |
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Referenzen: |
https://access.redhat.com/security/cve/CVE-2020-28374
https://access.redhat.com/security/cve/CVE-2021-20265
https://access.redhat.com/security/cve/CVE-2020-25211
https://access.redhat.com/security/cve/CVE-2020-25705
https://access.redhat.com/security/cve/CVE-2020-14351
https://access.redhat.com/security/cve/CVE-2020-25645
https://access.redhat.com/security/cve/CVE-2020-29661
https://access.redhat.com/security/cve/CVE-2020-7053
https://access.redhat.com/security/cve/CVE-2019-19532
https://access.redhat.com/security/cve/CVE-2020-0427
https://access.redhat.com/security/cve/CVE-2020-25656 |
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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-2021:0857-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:0857 Issue date: 2021-03-16 CVE Names: CVE-2019-19532 CVE-2020-0427 CVE-2020-7053 CVE-2020-14351 CVE-2020-25211 CVE-2020-25645 CVE-2020-25656 CVE-2020-25705 CVE-2020-28374 CVE-2020-29661 CVE-2021-20265 =====================================================================
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 for Real Time (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: Local buffer overflow in ctnetlink_parse_tuple_filter in net/netfilter/nf_conntrack_netlink.c (CVE-2020-25211)
* kernel: SCSI target (LIO) write to any block on ILO backstore (CVE-2020-28374)
* kernel: locking issue in drivers/tty/tty_jobctrl.c can lead to an use-after-free (CVE-2020-29661)
* kernel: malicious USB devices can lead to multiple out-of-bounds write (CVE-2019-19532)
* kernel: out-of-bounds reads in pinctrl subsystem. (CVE-2020-0427)
* kernel: use-after-free in i915_ppgtt_close in drivers/gpu/drm/i915/i915_gem_gtt.c (CVE-2020-7053)
* kernel: performance counters race condition use-after-free (CVE-2020-14351)
* kernel: Geneve/IPsec traffic may be unencrypted between two Geneve endpoints (CVE-2020-25645)
* kernel: use-after-free in read in vt_do_kdgkb_ioctl (CVE-2020-25656)
* kernel: ICMP rate limiting can be used for DNS poisoning attack (CVE-2020-25705)
* kernel: increase slab leak leads to DoS (CVE-2021-20265)
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 latest RHEL7.9.z4 source tree (BZ#1917909)
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/):
1781821 - CVE-2019-19532 kernel: malicious USB devices can lead to multiple out-of-bounds write 1795624 - CVE-2020-7053 kernel: use-after-free in i915_ppgtt_close in drivers/gpu/drm/i915/i915_gem_gtt.c 1862849 - CVE-2020-14351 kernel: performance counters race condition use-after-free 1877571 - CVE-2020-25211 kernel: Local buffer overflow in ctnetlink_parse_tuple_filter in net/netfilter/nf_conntrack_netlink.c 1883988 - CVE-2020-25645 kernel: Geneve/IPsec traffic may be unencrypted between two Geneve endpoints 1888726 - CVE-2020-25656 kernel: use-after-free in read in vt_do_kdgkb_ioctl 1894579 - CVE-2020-25705 kernel: ICMP rate limiting can be used for DNS poisoning attack 1899804 - CVE-2020-28374 kernel: SCSI target (LIO) write to any block on ILO backstore 1906525 - CVE-2020-29661 kernel: locking issue in drivers/tty/tty_jobctrl.c can lead to an use-after-free 1908827 - CVE-2021-20265 kernel: increase slab leak leads to DoS 1919893 - CVE-2020-0427 kernel: out-of-bounds reads in pinctrl subsystem.
6. Package List:
Red Hat Enterprise Linux for Real Time for NFV (v. 7):
Source: kernel-rt-3.10.0-1160.21.1.rt56.1158.el7.src.rpm
noarch: kernel-rt-doc-3.10.0-1160.21.1.rt56.1158.el7.noarch.rpm
x86_64: kernel-rt-3.10.0-1160.21.1.rt56.1158.el7.x86_64.rpm kernel-rt-debug-3.10.0-1160.21.1.rt56.1158.el7.x86_64.rpm kernel-rt-debug-debuginfo-3.10.0-1160.21.1.rt56.1158.el7.x86_64.rpm kernel-rt-debug-devel-3.10.0-1160.21.1.rt56.1158.el7.x86_64.rpm kernel-rt-debug-kvm-3.10.0-1160.21.1.rt56.1158.el7.x86_64.rpm kernel-rt-debug-kvm-debuginfo-3.10.0-1160.21.1.rt56.1158.el7.x86_64.rpm kernel-rt-debuginfo-3.10.0-1160.21.1.rt56.1158.el7.x86_64.rpm kernel-rt-debuginfo-common-x86_64-3.10.0-1160.21.1.rt56.1158.el7.x86_64.rpm kernel-rt-devel-3.10.0-1160.21.1.rt56.1158.el7.x86_64.rpm kernel-rt-kvm-3.10.0-1160.21.1.rt56.1158.el7.x86_64.rpm kernel-rt-kvm-debuginfo-3.10.0-1160.21.1.rt56.1158.el7.x86_64.rpm kernel-rt-trace-3.10.0-1160.21.1.rt56.1158.el7.x86_64.rpm kernel-rt-trace-debuginfo-3.10.0-1160.21.1.rt56.1158.el7.x86_64.rpm kernel-rt-trace-devel-3.10.0-1160.21.1.rt56.1158.el7.x86_64.rpm kernel-rt-trace-kvm-3.10.0-1160.21.1.rt56.1158.el7.x86_64.rpm kernel-rt-trace-kvm-debuginfo-3.10.0-1160.21.1.rt56.1158.el7.x86_64.rpm
Red Hat Enterprise Linux for Real Time (v. 7):
Source: kernel-rt-3.10.0-1160.21.1.rt56.1158.el7.src.rpm
noarch: kernel-rt-doc-3.10.0-1160.21.1.rt56.1158.el7.noarch.rpm
x86_64: kernel-rt-3.10.0-1160.21.1.rt56.1158.el7.x86_64.rpm kernel-rt-debug-3.10.0-1160.21.1.rt56.1158.el7.x86_64.rpm kernel-rt-debug-debuginfo-3.10.0-1160.21.1.rt56.1158.el7.x86_64.rpm kernel-rt-debug-devel-3.10.0-1160.21.1.rt56.1158.el7.x86_64.rpm kernel-rt-debuginfo-3.10.0-1160.21.1.rt56.1158.el7.x86_64.rpm kernel-rt-debuginfo-common-x86_64-3.10.0-1160.21.1.rt56.1158.el7.x86_64.rpm kernel-rt-devel-3.10.0-1160.21.1.rt56.1158.el7.x86_64.rpm kernel-rt-trace-3.10.0-1160.21.1.rt56.1158.el7.x86_64.rpm kernel-rt-trace-debuginfo-3.10.0-1160.21.1.rt56.1158.el7.x86_64.rpm kernel-rt-trace-devel-3.10.0-1160.21.1.rt56.1158.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-2019-19532 https://access.redhat.com/security/cve/CVE-2020-0427 https://access.redhat.com/security/cve/CVE-2020-7053 https://access.redhat.com/security/cve/CVE-2020-14351 https://access.redhat.com/security/cve/CVE-2020-25211 https://access.redhat.com/security/cve/CVE-2020-25645 https://access.redhat.com/security/cve/CVE-2020-25656 https://access.redhat.com/security/cve/CVE-2020-25705 https://access.redhat.com/security/cve/CVE-2020-28374 https://access.redhat.com/security/cve/CVE-2020-29661 https://access.redhat.com/security/cve/CVE-2021-20265 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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