drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Mehrere Probleme in Linux (Live Patch 14 SLE 12 SP5)
Name: |
Mehrere Probleme in Linux (Live Patch 14 SLE 12 SP5) |
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ID: |
SUSE-SU-2021:0809-1 |
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Distribution: |
SUSE |
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Plattformen: |
SUSE Linux Enterprise Module for Live Patching 15-SP1, SUSE Linux Enterprise Live Patching 12-SP5 |
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Datum: |
Do, 18. März 2021, 07:02 |
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Referenzen: |
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3347
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27786
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-29368
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-0342 |
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Applikationen: |
Linux |
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Originalnachricht |
SUSE Security Update: Security update for the Linux Kernel (Live Patch 14 for SLE 12 SP5) ______________________________________________________________________________
Announcement ID: SUSE-SU-2021:0809-1 Rating: important References: #1179616 #1179664 #1180859 #1181553 Cross-References: CVE-2020-27786 CVE-2020-29368 CVE-2021-0342 CVE-2021-3347 CVSS scores: CVE-2020-27786 (NVD) : 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2020-27786 (SUSE): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H 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-2021-0342 (NVD) : 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H CVE-2021-0342 (SUSE): 7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2021-3347 (NVD) : 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2021-3347 (SUSE): 8.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products: SUSE Linux Enterprise Module for Live Patching 15-SP1 SUSE Linux Enterprise Live Patching 12-SP5 ______________________________________________________________________________
An update that fixes four vulnerabilities is now available.
Description:
This update for the Linux Kernel 4.12.14-122_57 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-2021-3347: Fixed a use-after-free in the PI futexes during fault handling, allowing local users to execute code in the kernel (bsc#1181553). - CVE-2020-27786: Fixed a potential user after free which could have led to memory corruption or privilege escalation (bsc#1179616). - CVE-2021-0342: Fixed a potential memory corruption due to a use after free which could have led to local escalation of privilege with System execution privileges required (bsc#1180859).
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-SP1:
zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP1-2021-851=1
- SUSE Linux Enterprise Live Patching 12-SP5:
zypper in -t patch SUSE-SLE-Live-Patching-12-SP5-2021-809=1
Package List:
- SUSE Linux Enterprise Module for Live Patching 15-SP1 (ppc64le x86_64):
kernel-livepatch-4_12_14-197_78-default-3-2.2
- SUSE Linux Enterprise Live Patching 12-SP5 (ppc64le s390x x86_64):
kgraft-patch-4_12_14-122_57-default-3-2.2
References:
https://www.suse.com/security/cve/CVE-2020-27786.html https://www.suse.com/security/cve/CVE-2020-29368.html https://www.suse.com/security/cve/CVE-2021-0342.html https://www.suse.com/security/cve/CVE-2021-3347.html https://bugzilla.suse.com/1179616 https://bugzilla.suse.com/1179664 https://bugzilla.suse.com/1180859 https://bugzilla.suse.com/1181553
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