Out-of-bounds Write Affecting linux-4.19 package, versions <4.19.232-1~deb9u1


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.04% (16th percentile)

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  • Snyk IDSNYK-DEBIAN9-LINUX419-2420553
  • published16 Dec 2021
  • disclosed16 Mar 2022

Introduced: 16 Dec 2021

CVE-2021-39685  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade Debian:9 linux-4.19 to version 4.19.232-1~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.

In various setup methods of the USB gadget subsystem, there is a possible out of bounds write due to an incorrect flag check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-210292376References: Upstream kernel

CVSS Base Scores

version 3.1