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Oracle Linux: CVE-2020-13974: ELSA-2022-1988: kernel security, bug fix, and enhancement update (IMPORTANT) (Multiple Advisories)

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Oracle Linux: CVE-2020-13974: ELSA-2022-1988: kernel security, bug fix, and enhancement update (IMPORTANT) (Multiple Advisories)

Severity
7
CVSS
(AV:L/AC:L/Au:S/C:C/I:C/A:C)
Published
03/22/2020
Created
05/20/2022
Added
05/18/2022
Modified
11/29/2024

Description

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. A flaw integer overflow in the Linux kernel's virtual terminal keyboard driver was found in the way the user sends some specific keyboard code multiple times. A local user could use this flaw to crash the system or possibly escalate their privileges on the system.

Solution(s)

  • oracle-linux-upgrade-kernel

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