CVE Vulnerability

CVE-2020-16119

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.

4.6 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

7.8 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://launchpad.net/bugs/1883840 Issue Tracking Patch
https://ubuntu.com/USN-4580-1 Third Party Advisory
https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/focal/commit/?id=01872cb896c76cedeabe93a08456976ab55ad695 Patch 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-4576-1 Third Party Advisory
https://ubuntu.com/USN-4577-1 Third Party Advisory
https://lore.kernel.org/netdev/20201013171849.236025-1-kleber.souza@canonical.com/T/ Patch Vendor Advisory
https://security.netapp.com/advisory/ntap-20210304-0006/ Third Party Advisory
https://www.debian.org/security/2021/dsa-4978 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
Configurations

Configuration 1

cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
Information

Published : 2021-01-14 01:15

Updated : 2022-01-01 06:13

NVD link : CVE-2020-16119

Mitre link : CVE-2020-16119

Products Affected
No products.
CWE
CWE-416