vulnerability

Oracle Linux: CVE-2020-14351: ELSA-2021-0558: kernel security, bug fix, and enhancement update (IMPORTANT) (Multiple Advisories)

Severity
5
CVSS
(AV:L/AC:L/Au:N/C:P/I:P/A:P)
Published
Nov 6, 2020
Added
Jan 8, 2021
Modified
Dec 3, 2025

Description

A flaw was found in the Linux kernel. A use-after-free memory flaw was found in the perf subsystem allowing a local attacker with permission to monitor perf events to corrupt memory and possibly escalate privileges. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
A flaw was found in the Linux kernel. A use-after-free memory flaw was found in the perf subsystem allowing a local attacker with permission to monitor perf events to corrupt memory and possibly escalate privileges. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Solutions

oracle-linux-upgrade-kerneloracle-linux-upgrade-kernel-uek
Title
Rapid7 Labs

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