Use After Free Affecting torvalds/linux package, versions [,4.14.4)


Severity

Recommended
0.0
high
0
10

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

Threat Intelligence

Exploit Maturity
Proof of Concept
EPSS
0.74% (72nd percentile)

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  • Snyk IDSNYK-UNMANAGED-TORVALDSLINUX-3004762
  • published26 Jan 2022
  • disclosed5 Dec 2017
  • creditUnknown

Introduced: 5 Dec 2017

CVE-2017-8824  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade torvalds/linux to version 4.14.4 or higher.

Overview

Affected versions of this package are vulnerable to Use After Free. The dccp_disconnect function in net/dccp/proto.c in the Linux kernel through 4.14.3 allows local users to gain privileges or cause a denial of service (use-after-free) via an AF_UNSPEC connect system call during the DCCP_LISTEN state.

CVSS Base Scores

version 3.1