Use After Free Affecting kernel-uek package, versions <0:4.1.12-124.60.1.el7uek


Severity

Recommended
0.0
high
0
10

Based on Oracle Linux security rating.

Threat Intelligence

Exploit Maturity
Mature
EPSS
0.06% (30th percentile)

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  • Snyk IDSNYK-ORACLE7-KERNELUEK-2603732
  • published10 Apr 2022
  • disclosed15 Dec 2021

Introduced: 15 Dec 2021

CVE-2021-1048  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Oracle:7 kernel-uek to version 0:4.1.12-124.60.1.el7uek or higher.
This issue was patched in ELSA-2022-9088.

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.

In ep_loop_check_proc of eventpoll.c, there is a possible way to corrupt memory due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-204573007References: Upstream kernel

CVSS Scores

version 3.1