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openSUSE Leap 15.2: 2020:1906-1 Important: Linux Kernel Security Risk

opensuse
Calendar Grey November 13, 2020
Dist Opensuse Esm H88
A significant Fedora upgrade resolves major system vulnerabilities, reinforcing the integrity and safety of users' data against potential breaches.
An update that solves 7 vulnerabilities and has 65 fixes is now available.

Description

The openSUSE Leap 15.2 kernel was updated to receive various security and

bugfixes.

The following security bugs were fixed:

- CVE-2020-25704: Fixed a memory leak in perf_event_parse_addr_filter()

(bsc#1178393).

- CVE-2020-25668: Make FONTX ioctl use the tty pointer they were actually

passed (bsc#1178123).

- CVE-2020-25656: Extend func_buf_lock to readers (bnc#1177766).

- CVE-2020-25285: Fixed a race condition between hugetlb sysctl handlers

in mm/hugetlb.c in the Linux kernel could be used by local attackers to

corrupt memory, cause a NULL pointer dereference, or possibly have

unspecified other impact, aka CID-17743798d812 (bnc#1176485).

- CVE-2020-14351: Fixed race in the perf_mmap_close() function

(bsc#1177086).

- CVE-2020-8694: Restrict energy meter to root access (bsc#1170415).

- CVE-2020-16120: Check permission to open real file in overlayfs

(bsc#1177470).

The following non-security...

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Topics%20covered

Topics Covered

security advisory DoS important memory leak Linux kernel permission check 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-2020-1906=1

Package List

- openSUSE Leap 15.2 (x86_64):

kernel-debug-5.3.18-lp152.50.1

kernel-debug-debuginfo-5.3.18-lp152.50.1

kernel-debug-debugsource-5.3.18-lp152.50.1

kernel-debug-devel-5.3.18-lp152.50.1

kernel-debug-devel-debuginfo-5.3.18-lp152.50.1

kernel-default-5.3.18-lp152.50.1

kernel-default-debuginfo-5.3.18-lp152.50.1

kernel-default-debugsource-5.3.18-lp152.50.1

kernel-default-devel-5.3.18-lp152.50.1

kernel-default-devel-debuginfo-5.3.18-lp152.50.1

kernel-kvmsmall-5.3.18-lp152.50.1

kernel-kvmsmall-debuginfo-5.3.18-lp152.50.1

kernel-kvmsmall-debugsource-5.3.18-lp152.50.1

kernel-kvmsmall-devel-5.3.18-lp152.50.1

kernel-kvmsmall-devel-debuginfo-5.3.18-lp152.50.1

kernel-obs-build-5.3.18-lp152.50.1

kernel-obs-build-debugsource-5.3.18-lp152.50.1

kernel-obs-qa-5.3.18-lp152.50.1

kernel-preempt-5.3.18-lp152.50.1

kernel-preempt-debuginfo-5.3.18-lp152.50.1

kernel-preempt-debugsource-5.3.18-lp152.50.1

kernel-preempt-devel-5.3.18-lp152.50.1

kernel-preempt-devel-debuginfo-5.3.18-lp152.50.1

kernel-syms-5.3.18-lp152.50.1

- openSUSE Leap...

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References

https://www.suse.com/security/cve/CVE-2020-14351.html

https://www.suse.com/security/cve/CVE-2020-16120.html

https://www.suse.com/security/cve/CVE-2020-25285.html

https://www.suse.com/security/cve/CVE-2020-25656.html

https://www.suse.com/security/cve/CVE-2020-25668.html

https://www.suse.com/security/cve/CVE-2020-25704.html

https://www.suse.com/security/cve/CVE-2020-8694.html

https://bugzilla.suse.com/1055014

https://bugzilla.suse.com/1055186

https://bugzilla.suse.com/1061843

https://bugzilla.suse.com/1065600

https://bugzilla.suse.com/1065729

https://bugzilla.suse.com/1066382

https://bugzilla.suse.com/1077428

https://bugzilla.suse.com/1129923

https://bugzilla.suse.com/1134760

https://bugzilla.suse.com/1149032

https://bugzilla.suse.com/1152489

https://bugzilla.suse.com/1163592

https://bugzilla.suse.com/1164648

https://bugzilla.suse.com/1166146

https://bugzilla.suse.com/1166166

https://bugzilla.suse.com/1167030

https://bugzilla.suse.com/1170415

https://bugzilla.suse.com/1174748

https://bugzilla.suse.com/1174969

htt...

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Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: openSUSE-SU-2020:1906-1
Rating: important
Affected Products: openSUSE Leap 15.2 e.

Topics%20covered

Topics Covered

security advisory DoS important memory leak Linux kernel permission check openSUSE

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