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NULL Pointer Dereference Affecting kernel-uek package, versions <0:4.1.12-124.25.1.el7uek

Severity

 Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.06% (29th percentile)

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  • Snyk IDSNYK-ORACLE7-KERNELUEK-2545670
  • published10 Apr 2022
  • disclosed21 Sept 2017
Report a new vulnerability Found a mistake?

Introduced: 21 Sep 2017

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

How to fix?

Upgrade Oracle:7 kernel-uek to version 0:4.1.12-124.25.1.el7uek or higher.
This issue was patched in ELSA-2019-4531.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-uek package and not the kernel-uek package as distributed by Oracle. See How to fix? for Oracle:7 relevant fixed versions and status.

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.