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openSUSE Leap 15.3 Security Advisory: 2021:2687-1 Important Kernel Update

opensuse
Calendar Grey August 14, 2021
Dist Opensuse Esm H88
Upgrade your platform with the newest openSUSE Kernel patches to address severe security flaws and enhancements. Take action today!
An update that solves 7 vulnerabilities and has 58 fixes is now available

Description

The SUSE Linux Enterprise 15 SP3 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...

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Topics%20covered

Topics Covered

security advisory threat important fixes CVE openSUSE Linux Kernel

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-15.3-2021-2687=1

Package List

- openSUSE Leap 15.3 (aarch64 ppc64le s390x x86_64):

cluster-md-kmp-default-5.3.18-59.19.1

cluster-md-kmp-default-debuginfo-5.3.18-59.19.1

dlm-kmp-default-5.3.18-59.19.1

dlm-kmp-default-debuginfo-5.3.18-59.19.1

gfs2-kmp-default-5.3.18-59.19.1

gfs2-kmp-default-debuginfo-5.3.18-59.19.1

kernel-default-5.3.18-59.19.1

kernel-default-base-5.3.18-59.19.1.18.10.1

kernel-default-base-rebuild-5.3.18-59.19.1.18.10.1

kernel-default-debuginfo-5.3.18-59.19.1

kernel-default-debugsource-5.3.18-59.19.1

kernel-default-devel-5.3.18-59.19.1

kernel-default-devel-debuginfo-5.3.18-59.19.1

kernel-default-extra-5.3.18-59.19.1

kernel-default-extra-debuginfo-5.3.18-59.19.1

kernel-default-livepatch-5.3.18-59.19.1

kernel-default-livepatch-devel-5.3.18-59.19.1

kernel-default-optional-5.3.18-59.19.1

kernel-default-optional-debuginfo-5.3.18-59.19.1

kernel-obs-build-5.3.18-59.19.1

kernel-obs-build-debugsource-5.3.18-59.19.1

kernel-obs-qa-5.3.18-59.19.1

kernel-syms-5.3.18-59.19.1

kselftests-kmp-default-5.3.18-59.19.1

kselftests-kmp-default-deb...

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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...

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Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: openSUSE-SU-2021:2687-1
Rating: important
Affected Products: openSUSE Leap 15.3 ble.

Topics%20covered

Topics Covered

security advisory threat important fixes CVE openSUSE Linux Kernel

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