NULL Pointer Dereference Affecting torvalds/linux package, versions [,4.13.4)


Severity

Recommended
0.0
medium
0
10

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

Threat Intelligence

EPSS
0.03% (8th percentile)

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  • Snyk IDSNYK-UNMANAGED-TORVALDSLINUX-3006199
  • published26 Jan 2022
  • disclosed21 Sept 2017
  • creditUnknown

Introduced: 21 Sep 2017

CVE-2017-12153  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade torvalds/linux to version 4.13.4 or higher.

Overview

Affected versions of this package are vulnerable to NULL Pointer Dereference. A security flaw was discovered in the nl80211_set_rekey_data() function in net/wireless/nl80211.c in the Linux kernel through 4.13.3. This function does not check whether the required attributes are present in a Netlink request. This request can be issued by a user with the CAP_NET_ADMIN capability and may result in a NULL pointer dereference and system crash.

CVSS Base Scores

version 3.1