Race Condition Affecting perf package, versions <0:3.10.0-1160.59.1.el7


Severity

Recommended
0.0
high
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
1.74% (75th percentile)

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  • Snyk IDSNYK-CENTOS7-PERF-2025050
  • published20 Sept 2021
  • disclosed14 Sept 2021

Introduced: 14 Sep 2021

CVE-2021-3752  (opens in a new tab)
CWE-362  (opens in a new tab)

How to fix?

Upgrade Centos:7 perf to version 0:3.10.0-1160.59.1.el7 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream perf package and not the perf package as distributed by Centos. See How to fix? for Centos:7 relevant fixed versions and status.

A use-after-free flaw was found in the Linux kernel’s Bluetooth subsystem in the way user calls connect to the socket and disconnect simultaneously due to a race condition. This flaw allows a user to crash the system or escalate their privileges. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

CVSS Base Scores

version 3.1