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Sicherheit: Ausführen von Code mit höheren Privilegien in Linux (Live Patch 13 SLE 15 SP2)
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Name: Ausführen von Code mit höheren Privilegien in Linux (Live Patch 13 SLE 15 SP2)
ID: SUSE-SU-2021:2384-1
Distribution: SUSE
Plattformen: SUSE Linux Enterprise Module for Live Patching 15-SP2, SUSE Linux Enterprise Module for Live Patching 15-SP3
Datum: Fr, 16. Juli 2021, 23:39
Referenzen: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23133
Applikationen: Linux

Originalnachricht


SUSE Security Update: Security update for the Linux Kernel (Live Patch 13
for SLE 15 SP2)
______________________________________________________________________________

Announcement ID: SUSE-SU-2021:2384-1
Rating: important
References: #1185901
Cross-References: CVE-2021-23133
CVSS scores:
CVE-2021-23133 (NVD) : 7
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CVE-2021-23133 (SUSE): 7
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Products:
SUSE Linux Enterprise Module for Live Patching 15-SP3
SUSE Linux Enterprise Module for Live Patching 15-SP2
______________________________________________________________________________

An update that fixes one vulnerability is now available.

Description:

This update for the Linux Kernel 5.3.18-24_64 fixes one issue.

The following security issue was fixed:

- CVE-2021-23133: Fixed a race condition in the SCTP sockets that can lead
to kernel privilege escalation from the context of a network service or
an unprivileged process. (bsc#1185901)


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-SP3:

zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP3-2021-2384=1

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

zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP2-2021-2378=1



Package List:

- SUSE Linux Enterprise Module for Live Patching 15-SP3 (ppc64le s390x
x86_64):

kernel-livepatch-5_3_18-57-default-3-3.1
kernel-livepatch-5_3_18-57-default-debuginfo-3-3.1
kernel-livepatch-SLE15-SP3_Update_0-debugsource-3-3.1

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

kernel-livepatch-5_3_18-24_64-default-3-2.1
kernel-livepatch-5_3_18-24_64-default-debuginfo-3-2.1
kernel-livepatch-SLE15-SP2_Update_13-debugsource-3-2.1


References:

https://www.suse.com/security/cve/CVE-2021-23133.html
https://bugzilla.suse.com/1185901
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