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Sicherheit: Mehrere Probleme in Linux (Live Patch 24 SLE 15)
Aktuelle Meldungen Distributionen
Name: Mehrere Probleme in Linux (Live Patch 24 SLE 15)
ID: SUSE-SU-2021:2057-1
Distribution: SUSE
Plattformen: SUSE Linux Enterprise Module for Live Patching 15
Datum: Fr, 18. Juni 2021, 19:14
Referenzen: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-32399
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-33034
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-33200
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23134
Applikationen: Linux

Originalnachricht


SUSE Security Update: Security update for the Linux Kernel (Live Patch 24
for SLE 15)
______________________________________________________________________________

Announcement ID: SUSE-SU-2021:2057-1
Rating: important
References: #1185899 #1186061 #1186285 #1186498
Cross-References: CVE-2021-23134 CVE-2021-32399 CVE-2021-33034
CVE-2021-33200
CVSS scores:
CVE-2021-23134 (NVD) : 7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVE-2021-23134 (SUSE): 7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVE-2021-32399 (NVD) : 7
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CVE-2021-32399 (SUSE): 7.4
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVE-2021-33034 (NVD) : 7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVE-2021-33034 (SUSE): 7.7
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
CVE-2021-33200 (NVD) : 7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVE-2021-33200 (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
______________________________________________________________________________

An update that fixes four vulnerabilities is now available.

Description:

This update for the Linux Kernel 4.12.14-150_72 fixes several issues.

The following security issues were fixed:

- CVE-2021-33200: Enforcing incorrect limits for pointer arithmetic
operations by the BPF verifier could be abused to perform out-of-bounds
reads and writes in kernel memory (bsc#1186484).
- CVE-2021-33034: Fixed a use-after-free when destroying an hci_chan. This
could lead to writing an arbitrary values (bsc#1186111).
- CVE-2021-23134: A Use After Free vulnerability in nfc sockets allowed
local attackers to elevate their privileges (bnc#1186060).
- CVE-2021-32399: Fixed a race condition when removing the HCI controller
(bnc#1184611).


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:

zypper in -t patch SUSE-SLE-Module-Live-Patching-15-2021-2057=1



Package List:

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

kernel-livepatch-4_12_14-150_72-default-2-2.1
kernel-livepatch-4_12_14-150_72-default-debuginfo-2-2.1


References:

https://www.suse.com/security/cve/CVE-2021-23134.html
https://www.suse.com/security/cve/CVE-2021-32399.html
https://www.suse.com/security/cve/CVE-2021-33034.html
https://www.suse.com/security/cve/CVE-2021-33200.html
https://bugzilla.suse.com/1185899
https://bugzilla.suse.com/1186061
https://bugzilla.suse.com/1186285
https://bugzilla.suse.com/1186498
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