Out-of-Bounds Affecting linux-4.19 package, versions <4.19.171-2~deb9u1


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.05% (21st percentile)

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  • Snyk IDSNYK-DEBIAN9-LINUX419-1073736
  • published1 Dec 2020
  • disclosed26 May 2021

Introduced: 1 Dec 2020

CVE-2020-27815  (opens in a new tab)
CWE-119  (opens in a new tab)

How to fix?

Upgrade Debian:9 linux-4.19 to version 4.19.171-2~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 JFS filesystem code in the Linux Kernel which allows a local attacker with the ability to set extended attributes to panic the system, causing memory corruption or escalating privileges. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

CVSS Base Scores

version 3.1