Use After Free Affecting kernel-cross-headers package, versions <0:4.18.0-240.15.1.el8_3


Severity

Recommended
0.0
high
0
10

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.13% (50th percentile)

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  • Snyk IDSNYK-ORACLE8-KERNELCROSSHEADERS-2580683
  • published10 Apr 2022
  • disclosed3 Dec 2020

Introduced: 3 Dec 2020

CVE-2020-14351  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Oracle:8 kernel-cross-headers to version 0:4.18.0-240.15.1.el8_3 or higher.
This issue was patched in ELSA-2021-0558.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-cross-headers package and not the kernel-cross-headers package as distributed by Oracle. See How to fix? for Oracle:8 relevant fixed versions and status.

A flaw was found in the Linux kernel. A use-after-free memory flaw was found in the perf subsystem allowing a local attacker with permission to monitor perf events to corrupt memory and possibly escalate privileges. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

CVSS Scores

version 3.1