Use After Free Affecting kernel-uek package, versions <0:4.14.35-2047.506.8.el7uek


Severity

Recommended
0.0
high
0
10

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.06% (26th percentile)

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  • Snyk IDSNYK-ORACLE7-KERNELUEK-2598650
  • published10 Apr 2022
  • disclosed26 May 2021

Introduced: 26 May 2021

CVE-2020-25670  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Oracle:7 kernel-uek to version 0:4.14.35-2047.506.8.el7uek or higher.
This issue was patched in ELSA-2021-9407.

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 vulnerability was found in Linux Kernel where refcount leak in llcp_sock_bind() causing use-after-free which might lead to privilege escalations.

CVSS Scores

version 3.1