Memory Leak Affecting kernel-debug-modules package, versions <0:4.18.0-305.el8


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-ORACLE8-KERNELDEBUGMODULES-2581957
  • published10 Apr 2022
  • disclosed2 Dec 2020

Introduced: 2 Dec 2020

CVE-2020-25704  (opens in a new tab)
CWE-401  (opens in a new tab)

How to fix?

Upgrade Oracle:8 kernel-debug-modules to version 0:4.18.0-305.el8 or higher.
This issue was patched in ELSA-2021-1578.

NVD Description

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

A flaw memory leak in the Linux kernel performance monitoring subsystem was found in the way if using PERF_EVENT_IOC_SET_FILTER. A local user could use this flaw to starve the resources causing denial of service.

CVSS Scores

version 3.1