Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | - |
| Canonical | Ubuntu Linux | 12.04 |
| Debian | Debian Linux | 9.0 |
Related Weaknesses (CWE)
References
- https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/focal/commit/PatchThird Party Advisory
- https://launchpad.net/bugs/1883840Issue TrackingPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/10/msg00010.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/12/msg00012.htmlThird Party Advisory
- https://lore.kernel.org/netdev/20201013171849.236025-1-kleber.souza%40canonical.
- https://security.netapp.com/advisory/ntap-20210304-0006/Third Party Advisory
- https://ubuntu.com/USN-4576-1Third Party Advisory
- https://ubuntu.com/USN-4577-1Third Party Advisory
- https://ubuntu.com/USN-4578-1Third Party Advisory
- https://ubuntu.com/USN-4579-1Third Party Advisory
- https://ubuntu.com/USN-4580-1Third Party Advisory
- https://www.debian.org/security/2021/dsa-4978Third Party Advisory
- https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/focal/commit/PatchThird Party Advisory
- https://launchpad.net/bugs/1883840Issue TrackingPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/10/msg00010.htmlMailing ListThird Party Advisory
FAQ
What is CVE-2020-16119?
CVE-2020-16119 is a vulnerability with a CVSS score of 6.3 (MEDIUM). 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 Ubu...
How severe is CVE-2020-16119?
CVE-2020-16119 has been rated MEDIUM with a CVSS base score of 6.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-16119?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Canonical Ubuntu Linux, Debian Debian Linux.