Use After Free Affecting torvalds/linux package, versions [3.13,]


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.02% (5th percentile)

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  • Snyk IDSNYK-UNMANAGED-TORVALDSLINUX-3005376
  • published26 Jan 2022
  • disclosed8 Jun 2021
  • creditUnknown

Introduced: 8 Jun 2021

CVE-2021-3564  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

There is no fixed version for torvalds/linux.

Overview

Affected versions of this package are vulnerable to Use After Free. 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 Base Scores

version 3.1