CVE-2021-23133

Public on 2021-05-20
Modified on 2021-05-24
Description
A use-after-free flaw was found in the Linux kernel's SCTP socket functionality that triggers a race condition. This flaw allows a local user to escalate their privileges on the system. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
Severity
Medium
CVSS v3 Base Score
7.0
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 2 kernel 2021-05-20 15:51 ALAS2-2021-1636
Amazon Linux 1 kernel 2021-05-20 21:12 ALAS-2021-1503

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD CVSSv3 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD CVSSv2 6.9 AV:L/AC:M/Au:N/C:C/I:C/A:C