Alerts This Week
Warning Icon 1 714
Alerts This Week
Warning Icon 1 714

openSUSE Leap 15.3: Security Advisory for Kernel Vulnerabilities

opensuse
Calendar Grey August 10, 2021
Dist Opensuse Esm H88
This security bulletin highlights 7 weaknesses found in the openSUSE Linux kernel, offering essential patches and enhancements.
An update that solves 7 vulnerabilities and has 58 fixes is now available

Description

The SUSE Linux Enterprise 15 SP3 Azure kernel was updated to receive

various security and bugfixes.

The following security bugs were fixed:

- CVE-2021-3659: Fixed a NULL pointer dereference in llsec_key_alloc() in

net/mac802154/llsec.c (bsc#1188876).

- CVE-2021-21781: Fixed a information disclosure vulnerability in the ARM

SIGPAGE (bsc#1188445).

- CVE-2021-22543: Fixed improper handling of VM_IO|VM_PFNMAP vmas in KVM,

which could bypass RO checks and can lead to pages being freed while

still accessible by the VMM and guest. This allowed users with the

ability to start and control a VM to read/write random pages of memory

and can result in local privilege escalation (bsc#1186482).

- CVE-2021-37576: Fixed an issue on the powerpc platform, where a KVM

guest OS user could cause host OS memory corruption via rtas_args.nargs

(bsc#1188838).

- CVE-2021-3609: Fixed a potential local privilege escalation in the CAN

BCM...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory critical vulnerability important kernel fix openSUSE

Patch

Patch Instructions:

To install this openSUSE 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:

- openSUSE Leap 15.3:

zypper in -t patch openSUSE-SLE-15.3-2021-2645=1

Package List

- openSUSE Leap 15.3 (x86_64):

cluster-md-kmp-azure-5.3.18-38.17.1

cluster-md-kmp-azure-debuginfo-5.3.18-38.17.1

dlm-kmp-azure-5.3.18-38.17.1

dlm-kmp-azure-debuginfo-5.3.18-38.17.1

gfs2-kmp-azure-5.3.18-38.17.1

gfs2-kmp-azure-debuginfo-5.3.18-38.17.1

kernel-azure-5.3.18-38.17.1

kernel-azure-debuginfo-5.3.18-38.17.1

kernel-azure-debugsource-5.3.18-38.17.1

kernel-azure-devel-5.3.18-38.17.1

kernel-azure-devel-debuginfo-5.3.18-38.17.1

kernel-azure-extra-5.3.18-38.17.1

kernel-azure-extra-debuginfo-5.3.18-38.17.1

kernel-azure-livepatch-devel-5.3.18-38.17.1

kernel-azure-optional-5.3.18-38.17.1

kernel-azure-optional-debuginfo-5.3.18-38.17.1

kernel-syms-azure-5.3.18-38.17.1

kselftests-kmp-azure-5.3.18-38.17.1

kselftests-kmp-azure-debuginfo-5.3.18-38.17.1

ocfs2-kmp-azure-5.3.18-38.17.1

ocfs2-kmp-azure-debuginfo-5.3.18-38.17.1

reiserfs-kmp-azure-5.3.18-38.17.1

reiserfs-kmp-azure-debuginfo-5.3.18-38.17.1

- openSUSE Leap 15.3 (noarch):

kernel-devel-azure-5.3.18-38.17.1

kernel-source-azure-5.3.18-38.17.1

References

https://www.suse.com/security/cve/CVE-2021-21781.html

https://www.suse.com/security/cve/CVE-2021-22543.html

https://www.suse.com/security/cve/CVE-2021-35039.html

https://www.suse.com/security/cve/CVE-2021-3609.html

https://www.suse.com/security/cve/CVE-2021-3612.html

https://www.suse.com/security/cve/CVE-2021-3659.html

https://www.suse.com/security/cve/CVE-2021-37576.html

https://bugzilla.suse.com/1065729

https://bugzilla.suse.com/1085224

https://bugzilla.suse.com/1094840

https://bugzilla.suse.com/1113295

https://bugzilla.suse.com/1152472

https://bugzilla.suse.com/1152489

https://bugzilla.suse.com/1153274

https://bugzilla.suse.com/1154353

https://bugzilla.suse.com/1155518

https://bugzilla.suse.com/1156395

https://bugzilla.suse.com/1170511

https://bugzilla.suse.com/1176447

https://bugzilla.suse.com/1176940

https://bugzilla.suse.com/1179243

https://bugzilla.suse.com/1180092

https://bugzilla.suse.com/1180814

https://bugzilla.suse.com/1183871

https://bugzilla.suse.com/1184114

https://bugzilla.suse.com/1184350

https...

Read the Full Advisory

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: openSUSE-SU-2021:2645-1
Rating: important
Affected Products: openSUSE Leap 15.3 ble.

Topics%20covered

Topics Covered

security advisory critical vulnerability important kernel fix openSUSE

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here