Double Free Affecting perf package, versions <0:4.18.0-348.el8


Severity

Recommended
0.0
medium
0
10

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.04% (12th percentile)

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  • Snyk IDSNYK-ORACLE8-PERF-2593926
  • published10 Apr 2022
  • disclosed8 Jun 2021

Introduced: 8 Jun 2021

CVE-2021-3564  (opens in a new tab)
CWE-415  (opens in a new tab)

How to fix?

Upgrade Oracle:8 perf to version 0:4.18.0-348.el8 or higher.
This issue was patched in ELSA-2021-4356.

NVD Description

Note: Versions mentioned in the description apply only to the upstream perf package and not the perf package as distributed by Oracle. See How to fix? for Oracle:8 relevant fixed versions and status.

A flaw double-free memory corruption in the Linux kernel HCI device initialization subsystem was found in the way user attach malicious HCI TTY Bluetooth device. A local user could use this flaw to crash the system. This flaw affects all the Linux kernel versions starting from 3.13.

CVSS Scores

version 3.1