Use After Free Affecting linux-4.19 package, versions <4.19.160-2~deb9u1


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
1.51% (87th percentile)

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  • Snyk IDSNYK-DEBIAN9-LINUX419-1048655
  • published12 Sept 2020
  • disclosed3 Dec 2020

Introduced: 12 Sep 2020

CVE-2020-14351  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Debian:9 linux-4.19 to version 4.19.160-2~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.

A flaw was found in the Linux kernel. A use-after-free memory flaw was found in the perf subsystem allowing a local attacker with permission to monitor perf events to corrupt memory and possibly escalate privileges. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

CVSS Base Scores

version 3.1