Use After Free Affecting torvalds/linux package, versions [,5.12)


Severity

Recommended
0.0
high
0
10

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

Threat Intelligence

EPSS
0.04% (13th percentile)

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  • Snyk IDSNYK-UNMANAGED-TORVALDSLINUX-3006165
  • published26 Jan 2022
  • disclosed17 May 2021
  • creditUnknown

Introduced: 17 May 2021

CVE-2021-3483  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade torvalds/linux to version 5.12 or higher.

Overview

Affected versions of this package are vulnerable to Use After Free. A flaw was found in the Nosy driver in the Linux kernel. This issue allows a device to be inserted twice into a doubly-linked list, leading to a use-after-free when one of these devices is removed. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability. Versions before kernel 5.12-rc6 are affected

CVSS Base Scores

version 3.1