Memory Leak Affecting kernel-cross-headers package, versions <0:4.18.0-193.60.2.el8_2


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-RHEL8-KERNELCROSSHEADERS-3974109
  • published26 Jul 2021
  • disclosed9 Nov 2020

Introduced: 9 Nov 2020

CVE-2020-25704  (opens in a new tab)
CWE-401  (opens in a new tab)
First added by Snyk

How to fix?

Upgrade RHEL:8 kernel-cross-headers to version 0:4.18.0-193.60.2.el8_2 or higher.
This issue was patched in RHSA-2021:2718.

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 RHEL. See How to fix? for RHEL: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