PT-2020-2914 · Linux+8 · Linux Kernel+8
Published
2020-03-22
·
Updated
2023-02-24
·
CVE-2020-13974
CVSS v3.1
7.8
High
| Vector | AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
Linux kernel versions 4.4 through 5.7.1
Description
An issue in the Linux kernel is caused by an integer overflow in the drivers/tty/vt/keyboard.c component. This overflow occurs when the
k ascii function is called several times in a row. The exploitation of this issue may allow an attacker to execute arbitrary code.Recommendations
For Linux kernel versions 4.4 through 5.7.1, consider applying a patch or updating to a version where this issue is fixed, as the integer overflow in the
k ascii function could potentially be exploited.
At the moment, there is no information about a newer version that contains a fix for this vulnerability.Exploit
Integer Overflow
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Weakness Enumeration
Related Identifiers
Affected Products
Alt Linux
Almalinux
Centos
Linuxmint
Linux Kernel
Red Hat
Rocky Linux
Suse
Ubuntu