NULL Pointer Dereference Affecting torvalds/linux package, versions [,3.18)


Severity

Recommended
0.0
high
0
10

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

Threat Intelligence

EPSS
0.07% (24th percentile)

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  • Snyk IDSNYK-UNMANAGED-TORVALDSLINUX-3005918
  • published26 Jan 2022
  • disclosed31 Mar 2017
  • creditUnknown

Introduced: 31 Mar 2017

CVE-2017-2647  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade torvalds/linux to version 3.18 or higher.

Overview

Affected versions of this package are vulnerable to NULL Pointer Dereference. The KEYS subsystem in the Linux kernel before 3.18 allows local users to gain privileges or cause a denial of service (NULL pointer dereference and system crash) via vectors involving a NULL value for a certain match field, related to the keyring_search_iterator function in keyring.c.

References

CVSS Base Scores

version 3.1