CVE-2020-16119

CVSS V2 Medium 4.6 CVSS V3 High 7.8
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.
Overview
  • CVE ID
  • CVE-2020-16119
  • Assigner
  • security@ubuntu.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-01-14T01:15:13
  • Last Modified Date
  • 2022-01-01T18:13:01
Weakness Enumerations
CWE URL
CWE-416 http://cwe.mitre.org/data/definitions/416.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:P/I:P/A:P
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 4.6
  • Severity
  • MEDIUM
  • Exploitability Score
  • 3.9
  • Impact Score
  • 6.4
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 7.8
  • Base Severity
  • HIGH
  • Exploitability Score
  • 1.8
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://launchpad.net/bugs/1883840 Issue Tracking Patch Third Party Advisory
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
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-16119
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-16119
History
Created Old Value New Value Data Type Notes
2022-05-10 06:39:47 Added to TrackCVE
2022-12-05 20:12:14 2021-01-14T01:15Z 2021-01-14T01:15:13 CVE Published Date updated
2022-12-05 20:12:14 2022-01-01T18:13:01 CVE Modified Date updated
2022-12-05 20:12:14 Analyzed Vulnerability Status updated