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openSUSE Leap 15.3: 2021:2427-1 Important: Local Privilege Escalation

opensuse
Calendar Grey July 21, 2021
Dist Opensuse Esm H88
openSUSE has released an update patching 13 vulnerabilities in the Linux Kernel, mitigating significant security threats. A system reboot is recommended.
An update that solves 13 vulnerabilities and has 5 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-2021-22555: Fixed an heap out-of-bounds write in

net/netfilter/x_tables.c that could allow local provilege escalation.

(bsc#1188116)

- CVE-2021-33624: Fixed a bug which allows unprivileged BPF program to

leak the contents of arbitrary kernel memory (and therefore, of all

physical memory) via a side-channel. (bsc#1187554)

- CVE-2021-0605: Fixed an out-of-bounds read which could lead to local

information disclosure in the kernel with System execution privileges

needed. (bsc#1187601)

- CVE-2021-0512: Fixed a possible out-of-bounds write which could lead to

local escalation of privilege with no additional execution privileges

needed. (bsc#1187595)

- CVE-2020-26558: Fixed a flaw in the Bluetooth LE and BR/EDR secure

pairing that could permit a nearby man-in-the-middle attacker to

...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory kernel update privilege escalation access control security fix local escalation 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-15.3-2021-2427=1

Package List

- openSUSE Leap 15.3 (aarch64 ppc64le s390x x86_64):

kernel-default-base-debuginfo-4.12.14-197.99.1

kernel-vanilla-4.12.14-197.99.1

kernel-vanilla-base-4.12.14-197.99.1

kernel-vanilla-base-debuginfo-4.12.14-197.99.1

kernel-vanilla-debuginfo-4.12.14-197.99.1

kernel-vanilla-debugsource-4.12.14-197.99.1

kernel-vanilla-devel-4.12.14-197.99.1

kernel-vanilla-devel-debuginfo-4.12.14-197.99.1

kernel-vanilla-livepatch-devel-4.12.14-197.99.1

- openSUSE Leap 15.3 (ppc64le x86_64):

kernel-debug-base-4.12.14-197.99.1

kernel-debug-base-debuginfo-4.12.14-197.99.1

- openSUSE Leap 15.3 (x86_64):

kernel-kvmsmall-base-4.12.14-197.99.1

kernel-kvmsmall-base-debuginfo-4.12.14-197.99.1

- openSUSE Leap 15.3 (s390x):

kernel-default-man-4.12.14-197.99.1

kernel-zfcpdump-man-4.12.14-197.99.1

References

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

https://www.suse.com/security/cve/CVE-2020-26558.html

https://www.suse.com/security/cve/CVE-2020-36385.html

https://www.suse.com/security/cve/CVE-2020-36386.html

https://www.suse.com/security/cve/CVE-2021-0129.html

https://www.suse.com/security/cve/CVE-2021-0512.html

https://www.suse.com/security/cve/CVE-2021-0605.html

https://www.suse.com/security/cve/CVE-2021-22555.html

https://www.suse.com/security/cve/CVE-2021-33200.html

https://www.suse.com/security/cve/CVE-2021-33624.html

https://www.suse.com/security/cve/CVE-2021-33909.html

https://www.suse.com/security/cve/CVE-2021-34693.html

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

https://bugzilla.suse.com/1153720

https://bugzilla.suse.com/1174978

https://bugzilla.suse.com/1179610

https://bugzilla.suse.com/1181193

https://bugzilla.suse.com/1185428

https://bugzilla.suse.com/1185701

https://bugzilla.suse.com/1185861

https://bugzilla.suse.com/1186463

https://bugzilla.suse.com/1186484

https://bugzilla.s...

Read the Full Advisory

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: openSUSE-SU-2021:2427-1
Rating: important
Affected Products: openSUSE Leap 15.3 ble.

Topics%20covered

Topics Covered

security advisory kernel update privilege escalation access control security fix local escalation openSUSE

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