CVE-2020-16119

Summary:

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.

Reference Links(if available):

https://launchpad.net/bugs/1883840

https://ubuntu.com/USN-4580-1

https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/focal/commit/?id=01872cb896c76cedeabe93a08456976ab55ad695

https://ubuntu.com/USN-4578-1

https://ubuntu.com/USN-4579-1

CVSS Score (if available)

v2: / MEDIUMAV:L/AC:L/Au:N/C:P/I:P/A:P

v3: / HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Links to Exploits(if available)