CVE-2020-16119 MEDIUM

CVE-2020-16119: DCCP CCID structure use-after-free

Vendor Canonical
Product Linux kernel
Weakness CWE-416
Published January 14, 2021
Last update September 16, 2024
View on NVD All CVEs

CVSS base score

6.3/10
Attack vector Local
Attack complexity High
Privileges required Low
User interaction None
Confidentiality None
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Use-after-free vulnerability in the Linux kernel exploitable by a local attacker due to reuse of a DCCP socket with an attached dccps_hc_tx_ccid object as a listener after being released. Fixed in Ubuntu Linux kernel 5.4.0-51.56, 5.3.0-68.63, 4.15.0-121.123, 4.4.0-193.224, 3.13.0.182.191 and 3.2.0-149.196.

Key dates

02Disclosure timeline

January 14, 2021 CVE published
September 16, 2024 Record updated