CVE-2020-14351: 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.

Overview

Severity
High (CVSS 7.8)
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploit Status
Not Exploited
Patch Tuesday
2020-Dec
Released
2020-12-08
EPSS Score
0.30% (percentile: 22.6%)

Affected Products (1)

Mariner

  • cm1 kernel 5.4.91-1 on CBL Mariner 1.0

Revision History

  • 2020-12-08: Information published.