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openSUSE Leap 15.2: 2021:0947-1 Critical: Kernel Security Enhancements

opensuse
Calendar Grey July 1, 2021
Dist Opensuse Esm H88
Important openSUSE patch released for the Linux Kernel resolving various vulnerabilities and improving system protection.
An update that solves 12 vulnerabilities and has 42 fixes is now available

Description

The SUSE Linux Enterprise 15 SP2 RT kernel was updated to receive various

security and bugfixes.

The following security bugs 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-2020-26139: Fixed a denial-of-service when an Access Point (AP)

forwards EAPOL frames to other clients even though the sender has not

yet successfully authenticated to the AP. (bnc#1186062)

- CVE-2021-23134: A Use After Free vulnerability in nfc sockets allowed

local attackers to elevate their privileges. (bnc#1186060)

- CVE-2021-3491: Fixed a potential heap overflow in mem_rw(). This

vulnerability is related to the PROVIDE_BUFFERS operation, which allowed

the...

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Topics%20covered

Topics Covered

security advisory security update critical software patch kernel security 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 15.2:

zypper in -t patch openSUSE-2021-947=1

Package List

- openSUSE Leap 15.2 (x86_64):

cluster-md-kmp-rt-5.3.18-lp152.3.14.1

cluster-md-kmp-rt-debuginfo-5.3.18-lp152.3.14.1

cluster-md-kmp-rt_debug-5.3.18-lp152.3.14.1

cluster-md-kmp-rt_debug-debuginfo-5.3.18-lp152.3.14.1

dlm-kmp-rt-5.3.18-lp152.3.14.1

dlm-kmp-rt-debuginfo-5.3.18-lp152.3.14.1

dlm-kmp-rt_debug-5.3.18-lp152.3.14.1

dlm-kmp-rt_debug-debuginfo-5.3.18-lp152.3.14.1

gfs2-kmp-rt-5.3.18-lp152.3.14.1

gfs2-kmp-rt-debuginfo-5.3.18-lp152.3.14.1

gfs2-kmp-rt_debug-5.3.18-lp152.3.14.1

gfs2-kmp-rt_debug-debuginfo-5.3.18-lp152.3.14.1

kernel-rt-5.3.18-lp152.3.14.1

kernel-rt-debuginfo-5.3.18-lp152.3.14.1

kernel-rt-debugsource-5.3.18-lp152.3.14.1

kernel-rt-devel-5.3.18-lp152.3.14.1

kernel-rt-devel-debuginfo-5.3.18-lp152.3.14.1

kernel-rt-extra-5.3.18-lp152.3.14.1

kernel-rt-extra-debuginfo-5.3.18-lp152.3.14.1

kernel-rt_debug-5.3.18-lp152.3.14.1

kernel-rt_debug-debuginfo-5.3.18-lp152.3.14.1

kernel-rt_debug-debugsource-5.3.18-lp152.3.14.1

kernel-rt_debug-devel-5.3.18-lp152.3.14.1

kernel-rt_debug-devel-debuginfo-5.3.18-lp152....

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References

https://www.suse.com/security/cve/CVE-2020-24586.html

https://www.suse.com/security/cve/CVE-2020-24587.html

https://www.suse.com/security/cve/CVE-2020-24588.html

https://www.suse.com/security/cve/CVE-2020-26139.html

https://www.suse.com/security/cve/CVE-2020-26141.html

https://www.suse.com/security/cve/CVE-2020-26145.html

https://www.suse.com/security/cve/CVE-2020-26147.html

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://www.suse.com/security/cve/CVE-2021-3491.html

https://bugzilla.suse.com/1087082

https://bugzilla.suse.com/1133021

https://bugzilla.suse.com/1152457

https://bugzilla.suse.com/1152489

https://bugzilla.suse.com/1155518

https://bugzilla.suse.com/1156395

https://bugzilla.suse.com/1162702

https://bugzilla.suse.com/1164648

https://bugzilla.suse.com/1176564

https://bugzilla.suse.com/1177666

https://bugzilla.suse.com/1178418

ht...

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Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: openSUSE-SU-2021:0947-1
Rating: important
Affected Products: openSUSE Leap 15.2 ble.

Topics%20covered

Topics Covered

security advisory security update critical software patch kernel security kernel fix openSUSE

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