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Sicherheit: Mehrere Probleme in Linux
Aktuelle Meldungen Distributionen
Name: Mehrere Probleme in Linux
ID: SUSE-SU-2021:0743-1
Distribution: SUSE
Plattformen: SUSE Linux Enterprise High Availability 12-SP3, SUSE OpenStack Cloud Crowbar 8, SUSE HPE Helion Openstack 8, SUSE OpenStack Cloud 8, SUSE Linux Enterprise Server for SAP 12-SP3, SUSE Linux Enterprise Server 12-SP3-LTSS, SUSE Linux Enterprise Server 12-SP3-BCL
Datum: Mi, 10. März 2021, 07:13
Referenzen: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26930
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26932
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-28374
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26931
Applikationen: Linux

Originalnachricht


SUSE Security Update: Security update for the Linux Kernel
______________________________________________________________________________

Announcement ID: SUSE-SU-2021:0743-1
Rating: important
References: #1177440 #1178372 #1181747 #1181753 #1181843
#1182175
Cross-References: CVE-2020-28374 CVE-2021-26930 CVE-2021-26931
CVE-2021-26932
CVSS scores:
CVE-2020-28374 (NVD) : 8.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
CVE-2020-28374 (SUSE): 8.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
CVE-2021-26930 (NVD) : 7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVE-2021-26930 (SUSE): 7.8
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
CVE-2021-26931 (NVD) : 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVE-2021-26931 (SUSE): 6.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
CVE-2021-26932 (NVD) : 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVE-2021-26932 (SUSE): 5.9
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H

Affected Products:
SUSE OpenStack Cloud Crowbar 8
SUSE OpenStack Cloud 8
SUSE Linux Enterprise Server for SAP 12-SP3
SUSE Linux Enterprise Server 12-SP3-LTSS
SUSE Linux Enterprise Server 12-SP3-BCL
SUSE Linux Enterprise High Availability 12-SP3
HPE Helion Openstack 8
______________________________________________________________________________

An update that solves four vulnerabilities and has two
fixes is now available.

Description:


The SUSE Linux Enterprise 12 SP3 kernel was updated to receive various
security and bugfixes.

The following security bugs were fixed:

- CVE-2021-26930: Fixed an improper error handling in blkback's grant
mapping (XSA-365 bsc#1181843).
- CVE-2021-26931: Fixed an issue where Linux kernel was treating grant
mapping errors as bugs (XSA-362 bsc#1181753).
- CVE-2021-26932: Fixed improper error handling issues in Linux grant
mapping (XSA-361 bsc#1181747).
- CVE-2020-28374: Fixed insufficient identifier checking in the LIO SCSI
target code which could have been used by remote attackers to read or
write files via directory traversal in an XCOPY request (bsc#178372).

The following non-security bugs were fixed:

- cifs: report error instead of invalid when revalidating a dentry fails
(bsc#1177440).
- xen/netback: fix spurious event detection for common event case
(bsc#1182175).


Special Instructions and Notes:

Please reboot the system after installing this update.

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 OpenStack Cloud Crowbar 8:

zypper in -t patch SUSE-OpenStack-Cloud-Crowbar-8-2021-743=1

- SUSE OpenStack Cloud 8:

zypper in -t patch SUSE-OpenStack-Cloud-8-2021-743=1

- SUSE Linux Enterprise Server for SAP 12-SP3:

zypper in -t patch SUSE-SLE-SAP-12-SP3-2021-743=1

- SUSE Linux Enterprise Server 12-SP3-LTSS:

zypper in -t patch SUSE-SLE-SERVER-12-SP3-2021-743=1

- SUSE Linux Enterprise Server 12-SP3-BCL:

zypper in -t patch SUSE-SLE-SERVER-12-SP3-BCL-2021-743=1

- SUSE Linux Enterprise High Availability 12-SP3:

zypper in -t patch SUSE-SLE-HA-12-SP3-2021-743=1

- HPE Helion Openstack 8:

zypper in -t patch HPE-Helion-OpenStack-8-2021-743=1



Package List:

- SUSE OpenStack Cloud Crowbar 8 (noarch):

kernel-devel-4.4.180-94.141.2
kernel-macros-4.4.180-94.141.2
kernel-source-4.4.180-94.141.2

- SUSE OpenStack Cloud Crowbar 8 (x86_64):

kernel-default-4.4.180-94.141.2
kernel-default-base-4.4.180-94.141.2
kernel-default-base-debuginfo-4.4.180-94.141.2
kernel-default-debuginfo-4.4.180-94.141.2
kernel-default-debugsource-4.4.180-94.141.2
kernel-default-devel-4.4.180-94.141.2
kernel-default-kgraft-4.4.180-94.141.2
kernel-syms-4.4.180-94.141.2
kgraft-patch-4_4_180-94_141-default-1-4.3.2
kgraft-patch-4_4_180-94_141-default-debuginfo-1-4.3.2

- SUSE OpenStack Cloud 8 (noarch):

kernel-devel-4.4.180-94.141.2
kernel-macros-4.4.180-94.141.2
kernel-source-4.4.180-94.141.2

- SUSE OpenStack Cloud 8 (x86_64):

kernel-default-4.4.180-94.141.2
kernel-default-base-4.4.180-94.141.2
kernel-default-base-debuginfo-4.4.180-94.141.2
kernel-default-debuginfo-4.4.180-94.141.2
kernel-default-debugsource-4.4.180-94.141.2
kernel-default-devel-4.4.180-94.141.2
kernel-default-kgraft-4.4.180-94.141.2
kernel-syms-4.4.180-94.141.2
kgraft-patch-4_4_180-94_141-default-1-4.3.2
kgraft-patch-4_4_180-94_141-default-debuginfo-1-4.3.2

- SUSE Linux Enterprise Server for SAP 12-SP3 (ppc64le x86_64):

kernel-default-4.4.180-94.141.2
kernel-default-base-4.4.180-94.141.2
kernel-default-base-debuginfo-4.4.180-94.141.2
kernel-default-debuginfo-4.4.180-94.141.2
kernel-default-debugsource-4.4.180-94.141.2
kernel-default-devel-4.4.180-94.141.2
kernel-default-kgraft-4.4.180-94.141.2
kernel-syms-4.4.180-94.141.2
kgraft-patch-4_4_180-94_141-default-1-4.3.2
kgraft-patch-4_4_180-94_141-default-debuginfo-1-4.3.2

- SUSE Linux Enterprise Server for SAP 12-SP3 (noarch):

kernel-devel-4.4.180-94.141.2
kernel-macros-4.4.180-94.141.2
kernel-source-4.4.180-94.141.2

- SUSE Linux Enterprise Server 12-SP3-LTSS (aarch64 ppc64le s390x x86_64):

kernel-default-4.4.180-94.141.2
kernel-default-base-4.4.180-94.141.2
kernel-default-base-debuginfo-4.4.180-94.141.2
kernel-default-debuginfo-4.4.180-94.141.2
kernel-default-debugsource-4.4.180-94.141.2
kernel-default-devel-4.4.180-94.141.2
kernel-syms-4.4.180-94.141.2

- SUSE Linux Enterprise Server 12-SP3-LTSS (ppc64le x86_64):

kernel-default-kgraft-4.4.180-94.141.2
kgraft-patch-4_4_180-94_141-default-1-4.3.2
kgraft-patch-4_4_180-94_141-default-debuginfo-1-4.3.2

- SUSE Linux Enterprise Server 12-SP3-LTSS (noarch):

kernel-devel-4.4.180-94.141.2
kernel-macros-4.4.180-94.141.2
kernel-source-4.4.180-94.141.2

- SUSE Linux Enterprise Server 12-SP3-LTSS (s390x):

kernel-default-man-4.4.180-94.141.2

- SUSE Linux Enterprise Server 12-SP3-BCL (x86_64):

kernel-default-4.4.180-94.141.2
kernel-default-base-4.4.180-94.141.2
kernel-default-base-debuginfo-4.4.180-94.141.2
kernel-default-debuginfo-4.4.180-94.141.2
kernel-default-debugsource-4.4.180-94.141.2
kernel-default-devel-4.4.180-94.141.2
kernel-syms-4.4.180-94.141.2

- SUSE Linux Enterprise Server 12-SP3-BCL (noarch):

kernel-devel-4.4.180-94.141.2
kernel-macros-4.4.180-94.141.2
kernel-source-4.4.180-94.141.2

- SUSE Linux Enterprise High Availability 12-SP3 (ppc64le s390x x86_64):

cluster-md-kmp-default-4.4.180-94.141.2
cluster-md-kmp-default-debuginfo-4.4.180-94.141.2
dlm-kmp-default-4.4.180-94.141.2
dlm-kmp-default-debuginfo-4.4.180-94.141.2
gfs2-kmp-default-4.4.180-94.141.2
gfs2-kmp-default-debuginfo-4.4.180-94.141.2
kernel-default-debuginfo-4.4.180-94.141.2
kernel-default-debugsource-4.4.180-94.141.2
ocfs2-kmp-default-4.4.180-94.141.2
ocfs2-kmp-default-debuginfo-4.4.180-94.141.2

- HPE Helion Openstack 8 (noarch):

kernel-devel-4.4.180-94.141.2
kernel-macros-4.4.180-94.141.2
kernel-source-4.4.180-94.141.2

- HPE Helion Openstack 8 (x86_64):

kernel-default-4.4.180-94.141.2
kernel-default-base-4.4.180-94.141.2
kernel-default-base-debuginfo-4.4.180-94.141.2
kernel-default-debuginfo-4.4.180-94.141.2
kernel-default-debugsource-4.4.180-94.141.2
kernel-default-devel-4.4.180-94.141.2
kernel-default-kgraft-4.4.180-94.141.2
kernel-syms-4.4.180-94.141.2
kgraft-patch-4_4_180-94_141-default-1-4.3.2
kgraft-patch-4_4_180-94_141-default-debuginfo-1-4.3.2


References:

https://www.suse.com/security/cve/CVE-2020-28374.html
https://www.suse.com/security/cve/CVE-2021-26930.html
https://www.suse.com/security/cve/CVE-2021-26931.html
https://www.suse.com/security/cve/CVE-2021-26932.html
https://bugzilla.suse.com/1177440
https://bugzilla.suse.com/1178372
https://bugzilla.suse.com/1181747
https://bugzilla.suse.com/1181753
https://bugzilla.suse.com/1181843
https://bugzilla.suse.com/1182175
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