CVE-2020-16119

Description

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.

References

https://www.debian.org/security/2021/dsa-4978

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

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

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

https://ubuntu.com/USN-4577-1

https://ubuntu.com/USN-4576-1

https://security.netapp.com/advisory/ntap-20210304-0006/

https://lore.kernel.org/netdev/20201013171849.236025-1-kleber.souza%40canonical.com/T/

https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html

https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html

https://launchpad.net/bugs/1883840

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

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3