CVE-2020-27825

Published Dec 11, 2020

Last updated a year ago

Overview

Description
A use-after-free flaw was found in kernel/trace/ring_buffer.c in Linux kernel (before 5.10-rc1). There was a race problem in trace_open and resize of cpu buffer running parallely on different cpus, may cause a denial of service problem (DOS). This flaw could even allow a local attacker with special user privilege to a kernel information leak threat.
Source
secalert@redhat.com
NVD status
Modified

Risk scores

CVSS 3.1

Type
Primary
Base score
5.7
Impact score
5.2
Exploitability score
0.5
Vector string
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:H
Severity
MEDIUM

CVSS 2.0

Type
Primary
Base score
5.4
Impact score
7.8
Exploitability score
3.4
Vector string
AV:L/AC:M/Au:N/C:P/I:N/A:C

Weaknesses

secalert@redhat.com
CWE-362

Social media

Hype score
Not currently trending

Configurations