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Sicherheit: Zwei Probleme in Linux (Live Patch 10 SLE 15 SP2)
Aktuelle Meldungen Distributionen
Name: Zwei Probleme in Linux (Live Patch 10 SLE 15 SP2)
ID: SUSE-SU-2021:0869-1
Distribution: SUSE
Plattformen: SUSE Linux Enterprise Module for Live Patching 15-SP2
Datum: Do, 18. März 2021, 07:02
Referenzen: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-29368
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-29373
Applikationen: Linux

Originalnachricht


SUSE Security Update: Security update for the Linux Kernel (Live Patch 10
for SLE 15 SP2)
______________________________________________________________________________

Announcement ID: SUSE-SU-2021:0869-1
Rating: important
References: #1179664 #1179779
Cross-References: CVE-2020-29368 CVE-2020-29373
CVSS scores:
CVE-2020-29368 (NVD) : 7
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CVE-2020-29368 (SUSE): 7
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CVE-2020-29373 (SUSE): 7.7
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected Products:
SUSE Linux Enterprise Module for Live Patching 15-SP2
______________________________________________________________________________

An update that fixes two vulnerabilities is now available.

Description:

This update for the Linux Kernel 5.3.18-24_49 fixes several issues.

The following security issues were fixed:

- CVE-2020-29368: Fixed an issue in copy-on-write implementation which
could have granted unintended write access because of a race condition
in a THP mapcount check (bsc#1179664).
- CVE-2020-29373: Fixed an issue where kernel unsafely handles the root
directory during path lookups, and thus a process inside a mount
namespace could escape to unintended filesystem locations (bsc#1179779).


Patch Instructions:

To install this SUSE Security Update use the SUSE recommended installation
methods
like YaST online_update or "zypper patch".

Alternatively you can run the command listed for your product:

- SUSE Linux Enterprise Module for Live Patching 15-SP2:

zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP2-2021-869=1



Package List:

- SUSE Linux Enterprise Module for Live Patching 15-SP2 (ppc64le s390x
x86_64):

kernel-livepatch-5_3_18-24_49-default-2-2.2
kernel-livepatch-5_3_18-24_49-default-debuginfo-2-2.2
kernel-livepatch-SLE15-SP2_Update_10-debugsource-2-2.2


References:

https://www.suse.com/security/cve/CVE-2020-29368.html
https://www.suse.com/security/cve/CVE-2020-29373.html
https://bugzilla.suse.com/1179664
https://bugzilla.suse.com/1179779
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