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CVE-2020-13974

CVSS v3.1 7.8 (High)
78% Progress
CVSS v2.0 7.2 (High)
72% Progress
EPSS 0.08 % (34th)
0.08% Progress
Affected Products 3
Advisories 27
Info CVSS EPSS CAPEC Affected Configurations References Security Advisories Packages & Software OVAL Tools, Exploits & PoC Graph Web & Social Timeline

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.

Weaknesses
CWE-190
Integer Overflow or Wraparound
CVE Status
PUBLISHED
CNA
MITRE
Published Date
2020-06-09 05:15:10
(4 years ago)
Updated Date
2023-02-24 18:42:34
(19 months ago)

Affected Products

Canonical

Debian

Linux

Configuration #1

    CPE23 From Up To
  Linux Kernel prior 4.4.227 version cpe:2.3:o:linux:linux_kernel < 4.4.227
  Linux Kernel from 4.5 version and prior 4.9.227 version cpe:2.3:o:linux:linux_kernel >= 4.5 < 4.9.227
  Linux Kernel from 4.10 version and prior 4.14.184 version cpe:2.3:o:linux:linux_kernel >= 4.10 < 4.14.184
  Linux Kernel from 4.15 version and prior 4.19.128 version cpe:2.3:o:linux:linux_kernel >= 4.15 < 4.19.128
  Linux Kernel from 4.20 version and prior 5.4.46 version cpe:2.3:o:linux:linux_kernel >= 4.20 < 5.4.46
  Linux Kernel from 5.5 version and prior 5.6.18 version cpe:2.3:o:linux:linux_kernel >= 5.5 < 5.6.18
  Linux Kernel from 5.7 version and prior 5.7.2 version cpe:2.3:o:linux:linux_kernel >= 5.7 < 5.7.2

Configuration #2

    CPE23 From Up To
  Debian Linux 9.0 cpe:2.3:o:debian:debian_linux:9.0

Configuration #3

    CPE23 From Up To
  Canonical Ubuntu Linux 14.04 cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm
  Canonical Ubuntu Linux 16.04 cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm
  Canonical Ubuntu Linux 18.04 cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts
  Canonical Ubuntu Linux 20.04 cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts