CVE-2020-28588

2021-02-2518:35:40

redhat.com

access.redhat.com

linux kernel

32-bit systems

uninitialized values

syscall

/proc/self/syscall

confidentiality

CVSS2

2.1

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

EPSS

0.001

Percentile

20.9%

JSON

A flaw read uninitialized values in the Linux kernel syscall implementation on 32 bit-systems was found in the way user reading /proc/self/syscall. A local user could use this flaw to read three 64 bits uninitialized values, but cannot control which values. The highest threat from this vulnerability is to confidentiality.