Integer Overflow or Wraparound Affecting linux-4.19 package, versions <4.19.132-1~deb9u2


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.08% (37th percentile)

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  • Snyk IDSNYK-DEBIAN9-LINUX419-598278
  • published9 Jun 2020
  • disclosed9 Jun 2020

Introduced: 9 Jun 2020

CVE-2020-13974  (opens in a new tab)
CWE-190  (opens in a new tab)

How to fix?

Upgrade Debian:9 linux-4.19 to version 4.19.132-1~deb9u2 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 issue was discovered in the Linux kernel 4.4 through 5.7.1. drivers/tty/vt/keyboard.c has an integer overflow if k_ascii is called several times in a row, aka CID-b86dab054059. NOTE: Members in the community argue that the integer overflow does not lead to a security issue in this case.

CVSS Base Scores

version 3.1