Vulnerabilities > CVE-2020-16119 - Use After Free vulnerability in multiple products
Attack vector
LOCAL Attack complexity
LOW Privileges required
LOW Confidentiality impact
HIGH Integrity impact
HIGH Availability impact
HIGH 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.
Vulnerable Configurations
| Part | Description | Count |
|---|---|---|
| OS | 1 | |
| OS | 5 | |
| OS | 2 |
Common Weakness Enumeration (CWE)
References
- https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/focal/commit/?id=01872cb896c76cedeabe93a08456976ab55ad695
- https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/focal/commit/?id=01872cb896c76cedeabe93a08456976ab55ad695
- https://launchpad.net/bugs/1883840
- https://launchpad.net/bugs/1883840
- https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html
- https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html
- https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html
- https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html
- https://lore.kernel.org/netdev/20201013171849.236025-1-kleber.souza%40canonical.com/T/
- https://lore.kernel.org/netdev/20201013171849.236025-1-kleber.souza%40canonical.com/T/
- https://security.netapp.com/advisory/ntap-20210304-0006/
- https://security.netapp.com/advisory/ntap-20210304-0006/
- https://ubuntu.com/USN-4576-1
- https://ubuntu.com/USN-4576-1
- https://ubuntu.com/USN-4577-1
- https://ubuntu.com/USN-4577-1
- https://ubuntu.com/USN-4578-1
- https://ubuntu.com/USN-4578-1
- https://ubuntu.com/USN-4579-1
- https://ubuntu.com/USN-4579-1
- https://ubuntu.com/USN-4580-1
- https://ubuntu.com/USN-4580-1
- https://www.debian.org/security/2021/dsa-4978
- https://www.debian.org/security/2021/dsa-4978