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Sicherheit: Mehrere Probleme in Linux
Aktuelle Meldungen Distributionen
Name: Mehrere Probleme in Linux
ID: RHSA-2020:0661-01
Distribution: Red Hat
Plattformen: Red Hat Enterprise Linux
Datum: Di, 3. März 2020, 12:00
Referenzen: https://access.redhat.com/security/cve/CVE-2019-17666
https://access.redhat.com/security/cve/CVE-2018-20976
https://access.redhat.com/security/cve/CVE-2019-14895
https://access.redhat.com/security/cve/CVE-2019-14816
https://access.redhat.com/security/cve/CVE-2019-17133
Applikationen: Linux

Originalnachricht

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=====================================================================
Red Hat Security Advisory

Synopsis: Important: kernel security and enhancement update
Advisory ID: RHSA-2020:0661-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:0661
Issue date: 2020-03-03
CVE Names: CVE-2018-20976 CVE-2019-14816 CVE-2019-14895
CVE-2019-17133 CVE-2019-17666
=====================================================================

1. Summary:

An update for kernel is now available for Red Hat Enterprise Linux 7.2
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. 7.2) - noarch, x86_64
Red Hat Enterprise Linux Server Optional AUS (v. 7.2) - x86_64

3. Description:

The kernel packages contain the Linux kernel, the core of any Linux
operating system.

Security Fix(es):

* kernel: use-after-free in fs/xfs/xfs_super.c (CVE-2018-20976)

* kernel: heap overflow in mwifiex_update_vs_ie() function of Marvell WiFi
driver (CVE-2019-14816)

* kernel: heap-based buffer overflow in mwifiex_process_country_ie()
function in drivers/net/wireless/marvell/mwifiex/sta_ioctl.c
(CVE-2019-14895)

* kernel: buffer overflow in cfg80211_mgd_wext_giwessid in
net/wireless/wext-sme.c (CVE-2019-17133)

* 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)

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.

Enhancement(s):

* Selective backport: perf: Sync with upstream v4.16 (BZ#1782748)

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/):

1743547 - CVE-2018-20976 kernel: use-after-free in fs/xfs/xfs_super.c
1744149 - CVE-2019-14816 kernel: heap overflow in mwifiex_update_vs_ie()
function of Marvell WiFi driver
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
1771909 - CVE-2019-17133 kernel: buffer overflow in cfg80211_mgd_wext_giwessid
in net/wireless/wext-sme.c
1774870 - CVE-2019-14895 kernel: heap-based buffer overflow in
mwifiex_process_country_ie() function in drivers/net/wireless/marvell/mwifiex/sta_ioctl.c

6. Package List:

Red Hat Enterprise Linux Server AUS (v. 7.2):

Source:
kernel-3.10.0-327.85.1.el7.src.rpm

noarch:
kernel-abi-whitelists-3.10.0-327.85.1.el7.noarch.rpm
kernel-doc-3.10.0-327.85.1.el7.noarch.rpm

x86_64:
kernel-3.10.0-327.85.1.el7.x86_64.rpm
kernel-debug-3.10.0-327.85.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-327.85.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-327.85.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-327.85.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-327.85.1.el7.x86_64.rpm
kernel-devel-3.10.0-327.85.1.el7.x86_64.rpm
kernel-headers-3.10.0-327.85.1.el7.x86_64.rpm
kernel-tools-3.10.0-327.85.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-327.85.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-327.85.1.el7.x86_64.rpm
perf-3.10.0-327.85.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-327.85.1.el7.x86_64.rpm
python-perf-3.10.0-327.85.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-327.85.1.el7.x86_64.rpm

Red Hat Enterprise Linux Server Optional AUS (v. 7.2):

x86_64:
kernel-debug-debuginfo-3.10.0-327.85.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-327.85.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-327.85.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-327.85.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-327.85.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-327.85.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-327.85.1.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-2018-20976
https://access.redhat.com/security/cve/CVE-2019-14816
https://access.redhat.com/security/cve/CVE-2019-14895
https://access.redhat.com/security/cve/CVE-2019-17133
https://access.redhat.com/security/cve/CVE-2019-17666
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/

Copyright 2020 Red Hat, Inc.
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