CVE-2020-14390

2020-09-1800:00:00

ubuntu.com

linux kernel

out-of-bounds

memory corruption

CVSS2

4.6

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:P/I:P/A:P

CVSS3

5.6

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

HIGH

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

EPSS

Percentile

14.2%

JSON

A flaw was found in the Linux kernel in versions before 5.9-rc6. When
changing screen size, an out-of-bounds memory write can occur leading to
memory corruption or a denial of service. Due to the nature of the flaw,
privilege escalation cannot be fully ruled out.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlinux< 4.15.0-126.129UNKNOWN
ubuntu20.04noarchlinux< 5.4.0-56.62UNKNOWN
ubuntu16.04noarchlinux< 4.4.0-197.229UNKNOWN
ubuntu18.04noarchlinux-aws< 4.15.0-1088.93UNKNOWN
ubuntu20.04noarchlinux-aws< 5.4.0-1030.31UNKNOWN
ubuntu14.04noarchlinux-aws< 4.4.0-1082.86UNKNOWN
ubuntu16.04noarchlinux-aws< 4.4.0-1118.132UNKNOWN
ubuntu18.04noarchlinux-aws-5.4< 5.4.0-1030.31~18.04.1UNKNOWN
ubuntu16.04noarchlinux-aws-hwe< 4.15.0-1088.93~16.04.1UNKNOWN
ubuntu20.04noarchlinux-azure< 5.4.0-1032.33UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	linux	< 4.15.0-126.129	UNKNOWN
ubuntu	20.04	noarch	linux	< 5.4.0-56.62	UNKNOWN
ubuntu	16.04	noarch	linux	< 4.4.0-197.229	UNKNOWN
ubuntu	18.04	noarch	linux-aws	< 4.15.0-1088.93	UNKNOWN
ubuntu	20.04	noarch	linux-aws	< 5.4.0-1030.31	UNKNOWN
ubuntu	14.04	noarch	linux-aws	< 4.4.0-1082.86	UNKNOWN
ubuntu	16.04	noarch	linux-aws	< 4.4.0-1118.132	UNKNOWN
ubuntu	18.04	noarch	linux-aws-5.4	< 5.4.0-1030.31~18.04.1	UNKNOWN
ubuntu	16.04	noarch	linux-aws-hwe	< 4.15.0-1088.93~16.04.1	UNKNOWN
ubuntu	20.04	noarch	linux-azure	< 5.4.0-1032.33	UNKNOWN