CVE-2020-15436

2020-11-2300:00:00

ubuntu.com

6.7 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.2 High

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.0004 Low

EPSS

Percentile

5.3%

JSON

Use-after-free vulnerability in fs/block_dev.c in the Linux kernel before
5.8 allows local users to gain privileges or cause a denial of service by
leveraging improper access to a certain error field.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlinux< 4.15.0-115.116UNKNOWN
ubuntu20.04noarchlinux< 5.4.0-45.49UNKNOWN
ubuntu16.04noarchlinux< 4.4.0-187.217UNKNOWN
ubuntu18.04noarchlinux-aws< 4.15.0-1080.84UNKNOWN
ubuntu20.04noarchlinux-aws< 5.4.0-1022.22UNKNOWN
ubuntu16.04noarchlinux-aws< 4.4.0-1112.124UNKNOWN
ubuntu18.04noarchlinux-aws-5.4< 5.4.0-1022.22~18.04.1UNKNOWN
ubuntu16.04noarchlinux-aws-hwe< 4.15.0-1080.84~16.04.1UNKNOWN
ubuntu20.04noarchlinux-azure< 5.4.0-1023.23UNKNOWN
ubuntu16.04noarchlinux-azure< 4.15.0-1093.103~16.04.1UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	linux	< 4.15.0-115.116	UNKNOWN
ubuntu	20.04	noarch	linux	< 5.4.0-45.49	UNKNOWN
ubuntu	16.04	noarch	linux	< 4.4.0-187.217	UNKNOWN
ubuntu	18.04	noarch	linux-aws	< 4.15.0-1080.84	UNKNOWN
ubuntu	20.04	noarch	linux-aws	< 5.4.0-1022.22	UNKNOWN
ubuntu	16.04	noarch	linux-aws	< 4.4.0-1112.124	UNKNOWN
ubuntu	18.04	noarch	linux-aws-5.4	< 5.4.0-1022.22~18.04.1	UNKNOWN
ubuntu	16.04	noarch	linux-aws-hwe	< 4.15.0-1080.84~16.04.1	UNKNOWN
ubuntu	20.04	noarch	linux-azure	< 5.4.0-1023.23	UNKNOWN
ubuntu	16.04	noarch	linux-azure	< 4.15.0-1093.103~16.04.1	UNKNOWN