drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Mehrere Probleme in Linux
Name: |
Mehrere Probleme in Linux |
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ID: |
RHSA-2021:2733-01 |
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Distribution: |
Red Hat |
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Plattformen: |
Red Hat Enterprise Linux |
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Datum: |
Di, 20. Juli 2021, 22:57 |
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Referenzen: |
https://access.redhat.com/security/cve/CVE-2021-33034
https://access.redhat.com/security/cve/CVE-2021-3347
https://access.redhat.com/security/cve/CVE-2021-33909
https://access.redhat.com/security/vulnerabilities/RHSB-2021-006 |
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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-2021:2733-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:2733 Issue date: 2021-07-20 CVE Names: CVE-2021-3347 CVE-2021-33034 CVE-2021-33909 =====================================================================
1. Summary:
An update for kernel is now available for Red Hat Enterprise Linux 7.3 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. 7.3) - noarch, x86_64 Red Hat Enterprise Linux Server Optional AUS (v. 7.3) - x86_64
3. Description:
The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
* kernel: size_t-to-int conversion vulnerability in the filesystem layer (CVE-2021-33909)
* kernel: Use after free via PI futex state (CVE-2021-3347)
* kernel: use-after-free in net/bluetooth/hci_event.c when destroying an hci_chan (CVE-2021-33034)
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.
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/):
1922249 - CVE-2021-3347 kernel: Use after free via PI futex state 1961305 - CVE-2021-33034 kernel: use-after-free in net/bluetooth/hci_event.c when destroying an hci_chan 1970273 - CVE-2021-33909 kernel: size_t-to-int conversion vulnerability in the filesystem layer
6. Package List:
Red Hat Enterprise Linux Server AUS (v. 7.3):
Source: kernel-3.10.0-514.90.2.el7.src.rpm
noarch: kernel-abi-whitelists-3.10.0-514.90.2.el7.noarch.rpm kernel-doc-3.10.0-514.90.2.el7.noarch.rpm
x86_64: kernel-3.10.0-514.90.2.el7.x86_64.rpm kernel-debug-3.10.0-514.90.2.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-514.90.2.el7.x86_64.rpm kernel-debug-devel-3.10.0-514.90.2.el7.x86_64.rpm kernel-debuginfo-3.10.0-514.90.2.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-514.90.2.el7.x86_64.rpm kernel-devel-3.10.0-514.90.2.el7.x86_64.rpm kernel-headers-3.10.0-514.90.2.el7.x86_64.rpm kernel-tools-3.10.0-514.90.2.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-514.90.2.el7.x86_64.rpm kernel-tools-libs-3.10.0-514.90.2.el7.x86_64.rpm perf-3.10.0-514.90.2.el7.x86_64.rpm perf-debuginfo-3.10.0-514.90.2.el7.x86_64.rpm python-perf-3.10.0-514.90.2.el7.x86_64.rpm python-perf-debuginfo-3.10.0-514.90.2.el7.x86_64.rpm
Red Hat Enterprise Linux Server Optional AUS (v. 7.3):
x86_64: kernel-debug-debuginfo-3.10.0-514.90.2.el7.x86_64.rpm kernel-debuginfo-3.10.0-514.90.2.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-514.90.2.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-514.90.2.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-514.90.2.el7.x86_64.rpm perf-debuginfo-3.10.0-514.90.2.el7.x86_64.rpm python-perf-debuginfo-3.10.0-514.90.2.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-2021-3347 https://access.redhat.com/security/cve/CVE-2021-33034 https://access.redhat.com/security/cve/CVE-2021-33909 https://access.redhat.com/security/updates/classification/#important https://access.redhat.com/security/vulnerabilities/RHSB-2021-006
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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