CVE-2020-16119 — Use After Free in Linux Kernel
Severity
7.8HIGHNVD
CNA6.3OSV5.5
EPSS
0.1%
top 75.64%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedJan 14
Latest updateMay 24
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 vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9
Affected Packages3 packages
Also affects: Ubuntu Linux 12.04, 14.04, 16.04, 18.04, 20.04, Debian Linux 11.0, 9.0
Patches
🔴Vulnerability Details
8GHSA▶
GHSA-fgjc-j4q7-m9gg: 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 objec↗2022-05-24
OSV▶
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 objec↗2021-01-14
OSV▶
linux, linux-aws, linux-aws-5.4, linux-azure, linux-azure-5.4, linux-gcp, linux-gcp-5.4, linux-hwe-5.4, linux-kvm, linux-oracle, linux-oracle-5.4, linux-raspi, linux-raspi-5.4 vulnerabilities↗2020-10-14