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Alerts This Week
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openSUSE Leap 15.3: 2021:3179-1 Important: Kernel Security Fixes

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Calendar Grey September 21, 2021
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The newest openSUSE update addresses 20 Linux Kernel vulnerabilities, boosting security and system stability for enhanced user experience and protection
An update that solves 20 vulnerabilities and has 107 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-2021-3640: Fixed a Use-After-Free vulnerability in function

sco_sock_sendmsg() in the bluetooth stack (bsc#1188172).

- CVE-2021-3653: Missing validation of the `int_ctl` VMCB field and allows

a malicious L1 guest to enable AVIC support for the L2 guest.

(bsc#1189399).

- CVE-2021-3656: Missing validation of the the `virt_ext` VMCB field and

allows a malicious L1 guest to disable both VMLOAD/VMSAVE intercepts and

VLS for the L2 guest (bsc#1189400).

- CVE-2021-3679: A lack of CPU resource in tracing module functionality

was found in the way user uses trace ring buffer in a specific way. Only

privileged local users (with CAP_SYS_ADMIN capability) could use this

flaw to starve the resources causing denial of service (bnc#1189057).

- CVE-2021-3732: Mounting overlayfs inside an...

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Topics%20covered

Topics Covered

security advisory security fix vulnerability kernel important update 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-15.3-2021-3179=1

Package List

- openSUSE Leap 15.3 (noarch):

kernel-devel-azure-5.3.18-38.22.1

kernel-source-azure-5.3.18-38.22.1

- openSUSE Leap 15.3 (x86_64):

cluster-md-kmp-azure-5.3.18-38.22.2

cluster-md-kmp-azure-debuginfo-5.3.18-38.22.2

dlm-kmp-azure-5.3.18-38.22.2

dlm-kmp-azure-debuginfo-5.3.18-38.22.2

gfs2-kmp-azure-5.3.18-38.22.2

gfs2-kmp-azure-debuginfo-5.3.18-38.22.2

kernel-azure-5.3.18-38.22.2

kernel-azure-debuginfo-5.3.18-38.22.2

kernel-azure-debugsource-5.3.18-38.22.2

kernel-azure-devel-5.3.18-38.22.2

kernel-azure-devel-debuginfo-5.3.18-38.22.2

kernel-azure-extra-5.3.18-38.22.2

kernel-azure-extra-debuginfo-5.3.18-38.22.2

kernel-azure-livepatch-devel-5.3.18-38.22.2

kernel-azure-optional-5.3.18-38.22.2

kernel-azure-optional-debuginfo-5.3.18-38.22.2

kernel-syms-azure-5.3.18-38.22.1

kselftests-kmp-azure-5.3.18-38.22.2

kselftests-kmp-azure-debuginfo-5.3.18-38.22.2

ocfs2-kmp-azure-5.3.18-38.22.2

ocfs2-kmp-azure-debuginfo-5.3.18-38.22.2

reiserfs-kmp-azure-5.3.18-38.22.2

reiserfs-kmp-azure-debuginfo-5.3.18-38.22.2

References

https://www.suse.com/security/cve/CVE-2020-12770.html

https://www.suse.com/security/cve/CVE-2021-34556.html

https://www.suse.com/security/cve/CVE-2021-35477.html

https://www.suse.com/security/cve/CVE-2021-3640.html

https://www.suse.com/security/cve/CVE-2021-3653.html

https://www.suse.com/security/cve/CVE-2021-3656.html

https://www.suse.com/security/cve/CVE-2021-3679.html

https://www.suse.com/security/cve/CVE-2021-3732.html

https://www.suse.com/security/cve/CVE-2021-3739.html

https://www.suse.com/security/cve/CVE-2021-3743.html

https://www.suse.com/security/cve/CVE-2021-3753.html

https://www.suse.com/security/cve/CVE-2021-3759.html

https://www.suse.com/security/cve/CVE-2021-38160.html

https://www.suse.com/security/cve/CVE-2021-38166.html

https://www.suse.com/security/cve/CVE-2021-38198.html

https://www.suse.com/security/cve/CVE-2021-38204.html

https://www.suse.com/security/cve/CVE-2021-38205.html

https://www.suse.com/security/cve/CVE-2021-38206.html

https://www.suse.com/security/cve/CVE-2021-38207.html

ht...

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Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: openSUSE-SU-2021:3179-1
Rating: important
Affected Products: openSUSE Leap 15.3 ble.

Topics%20covered

Topics Covered

security advisory security fix vulnerability kernel important update openSUSE

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