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NULL Pointer Dereference Affecting kernel-uek package, versions <0:3.8.13-118.16.3.el7uek

Severity

 Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-ORACLE7-KERNELUEK-2518963
  • published10 Apr 2022
  • disclosed28 Nov 2016
Report a new vulnerability Found a mistake?

Introduced: 28 Nov 2016

CVE-2016-8646  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade Oracle:7 kernel-uek to version 0:3.8.13-118.16.3.el7uek or higher.
This issue was patched in ELSA-2017-3515.

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.

The hash_accept function in crypto/algif_hash.c in the Linux kernel before 4.3.6 allows local users to cause a denial of service (OOPS) by attempting to trigger use of in-kernel hash algorithms for a socket that has received zero bytes of data.

References