CVEvulnerability
CVE-2020-16119
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-01-14
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.3 MEDIUM — CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 4.6 MEDIUM — AV:L/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-416
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.
Affected configurations
• linux linux kernel
• canonical ubuntu linux 12.04
• canonical ubuntu linux 14.04
• canonical ubuntu linux 16.04
• canonical ubuntu linux 18.04
• canonical ubuntu linux 20.04
• debian debian linux 9.0
• debian debian linux 11.0
Related
Weakness · CWE (1)
- CWE-416 Use After Free weakness
References
- https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/focal/commit/?id=01872cb896c76cedeabe93a08456976ab55ad695 Patch, Third Party Advisory
- https://launchpad.net/bugs/1883840 Issue Tracking, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html Third Party Advisory
- https://lore.kernel.org/netdev/20201013171849.236025-1-kleber.souza%40canonical.com/T/ lore.kernel.org
- https://security.netapp.com/advisory/ntap-20210304-0006/ Third Party Advisory
- https://ubuntu.com/USN-4576-1 Third Party Advisory
- https://ubuntu.com/USN-4577-1 Third Party Advisory
- https://ubuntu.com/USN-4578-1 Third Party Advisory
- https://ubuntu.com/USN-4579-1 Third Party Advisory
- https://ubuntu.com/USN-4580-1 Third Party Advisory
- https://www.debian.org/security/2021/dsa-4978 Third Party Advisory
- https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/focal/commit/?id=01872cb896c76cedeabe93a08456976ab55ad695 Patch, Third Party Advisory
- https://launchpad.net/bugs/1883840 Issue Tracking, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html Third Party Advisory
- https://lore.kernel.org/netdev/20201013171849.236025-1-kleber.souza%40canonical.com/T/ lore.kernel.org
- https://security.netapp.com/advisory/ntap-20210304-0006/ Third Party Advisory
- https://ubuntu.com/USN-4576-1 Third Party Advisory
- https://ubuntu.com/USN-4577-1 Third Party Advisory
- https://ubuntu.com/USN-4578-1 Third Party Advisory
- https://ubuntu.com/USN-4579-1 Third Party Advisory
- https://ubuntu.com/USN-4580-1 Third Party Advisory
- https://www.debian.org/security/2021/dsa-4978 Third Party Advisory