Use After Free Affecting linux-4.19 package, versions <4.19.208-1~deb9u1


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.04% (5th percentile)

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  • Snyk IDSNYK-DEBIAN9-LINUX419-1730492
  • published14 Oct 2020
  • disclosed14 Jan 2021

Introduced: 14 Oct 2020

CVE-2020-16119  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Debian:9 linux-4.19 to version 4.19.208-1~deb9u1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream linux-4.19 package and not the linux-4.19 package as distributed by Debian. See How to fix? for Debian:9 relevant fixed versions and status.

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 Base Scores

version 3.1