Out-of-Bounds Affecting linux-4.19 package, versions <4.19.208-1~deb9u1


Severity

Recommended
0.0
high
0
10

Snyk's Security Team recommends NVD's CVSS assessment. Learn more

Threat Intelligence

EPSS
0.04% (13th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-DEBIAN9-LINUX419-1730496
  • published22 Jun 2021
  • disclosed9 Jul 2021

Introduced: 22 Jun 2021

CVE-2021-3612  (opens in a new tab)
CWE-119  (opens in a new tab)
CWE-20  (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.

An out-of-bounds memory write flaw was found in the Linux kernel's joystick devices subsystem in versions before 5.9-rc1, in the way the user calls ioctl JSIOCSBTNMAP. This flaw allows a local user to crash the system or possibly escalate their privileges on the system. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

CVSS Base Scores

version 3.1