CVE-2020-14386

Published: Sep 16, 2020Modified: Jun 17, 2026

7.8

Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitability: 1.8 / Impact: 5.9

Source: NVD

Description

A flaw was found in the Linux kernel before 5.9-rc4. Memory corruption can be exploited to gain root privileges from unprivileged processes. The highest threat from this vulnerability is to data confidentiality and integrity.

Affected (11)

Products: Linux: Linux Kernel · Debian: Debian Linux · Fedoraproject: Fedora · +1 more

Show all products

Linux: Linux Kernel · Debian: Debian Linux · Fedoraproject: Fedora · Opensuse: Leap

1 product

1 product

1 product

1 product

Configuration A

8 vulnerable

Vulnerable Software	Affected Versions
Linux Linux Kernel	4.10 ≤ version < 4.14.201
Linux Linux Kernel	4.15 ≤ version < 4.19.150
Linux Linux Kernel	4.20 ≤ version < 5.4.64
Linux Linux Kernel	4.6 ≤ version < 4.9.239
Linux Linux Kernel	5.5 ≤ version < 5.8.8
Linux Linux Kernel	Version 5.9.0 rc1
Linux Linux Kernel	Version 5.9.0 rc2
Linux Linux Kernel	Version 5.9.0 rc3

Configuration B

1 vulnerable

Vulnerable Software	Affected Versions
Debian Debian Linux	Version 9.0

Configuration C

1 vulnerable

Vulnerable Software	Affected Versions
Fedoraproject Fedora	Version 33

Configuration D

1 vulnerable

Vulnerable Software	Affected Versions
Opensuse Leap	Version 15.1

Related CWEs

Execution with Unnecessary Privileges

The product performs an operation at a privilege level that is higher than the minimum level required, which creates new weaknesses or amplifies the consequences of other weaknesses.

Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

References (24)

http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00021.html

Source: secalert@redhat.com

Mailing ListThird Party Advisory

http://packetstormsecurity.com/files/159565/Kernel-Live-Patch-Security-Notice-LSN-0072-1.html

Source: secalert@redhat.com

Third Party AdvisoryVDB Entry

http://www.openwall.com/lists/oss-security/2021/09/17/2

Source: secalert@redhat.com

Mailing ListThird Party Advisory

http://www.openwall.com/lists/oss-security/2021/09/17/4

Source: secalert@redhat.com

Mailing ListThird Party Advisory

http://www.openwall.com/lists/oss-security/2021/09/21/1

Source: secalert@redhat.com

Mailing ListThird Party Advisory

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-14386

Source: secalert@redhat.com

Issue TrackingPatchThird Party Advisory

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=acf69c946233259ab4d64f8869d4037a198c7f06

Source: secalert@redhat.com

PatchVendor Advisory

https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html

Source: secalert@redhat.com

Mailing ListThird Party Advisory

https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html

Source: secalert@redhat.com

Mailing ListThird Party Advisory

https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html

Source: secalert@redhat.com

Mailing ListThird Party Advisory

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RNCPXERMUHPSGF6S2VVFL5NVVPBBFB63/

Source: secalert@redhat.com

https://seclists.org/oss-sec/2020/q3/146

Source: secalert@redhat.com

Mailing ListPatchThird Party Advisory

http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00021.html

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing ListThird Party Advisory

http://packetstormsecurity.com/files/159565/Kernel-Live-Patch-Security-Notice-LSN-0072-1.html

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party AdvisoryVDB Entry

http://www.openwall.com/lists/oss-security/2021/09/17/2

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing ListThird Party Advisory

http://www.openwall.com/lists/oss-security/2021/09/17/4

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing ListThird Party Advisory

http://www.openwall.com/lists/oss-security/2021/09/21/1

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing ListThird Party Advisory

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-14386

Source: af854a3a-2127-422b-91ae-364da2661108

Issue TrackingPatchThird Party Advisory

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=acf69c946233259ab4d64f8869d4037a198c7f06

Source: af854a3a-2127-422b-91ae-364da2661108

PatchVendor Advisory

https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing ListThird Party Advisory

https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing ListThird Party Advisory

https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing ListThird Party Advisory

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RNCPXERMUHPSGF6S2VVFL5NVVPBBFB63/

Source: af854a3a-2127-422b-91ae-364da2661108

https://seclists.org/oss-sec/2020/q3/146

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing ListPatchThird Party Advisory

Timeline

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